CN207884524U - A kind of three frequency exciter systems of self-excited constant voltage generator - Google Patents
A kind of three frequency exciter systems of self-excited constant voltage generator Download PDFInfo
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- CN207884524U CN207884524U CN201820237735.XU CN201820237735U CN207884524U CN 207884524 U CN207884524 U CN 207884524U CN 201820237735 U CN201820237735 U CN 201820237735U CN 207884524 U CN207884524 U CN 207884524U
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- 238000004804 winding Methods 0.000 claims description 201
- 230000008901 benefit Effects 0.000 claims description 32
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- 239000004065 semiconductor Substances 0.000 claims description 27
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- 230000005611 electricity Effects 0.000 claims description 17
- 230000011664 signaling Effects 0.000 claims description 8
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- 230000001105 regulatory effect Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
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- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses a kind of three frequency exciter systems of self-excited constant voltage generator, are mainly characterized by the motor of three kinds of frequencies:Frequency is the main exciter of f1, and frequency is the power generator of f2, control signal generator totally one exciter stator, the exciter rotor iron core that frequency is f3, and has f1=2f2, f2=2f3 relationship；The system and its control method pass through the control mechanism on exciter rotor, realize the control of the forward and reverse control and exciting current size of the exciting current of the exciter rotor side for the AVR pairs of three frequency exciter systems of voltage regulator being arranged on host stator, it realizes that the self-excited constant voltage of the system is adjusted, while improving the reliability and maintenanceability of voltage regulator AVR.
Description
Technical field
The utility model belongs to technical field of generators, more particularly to three frequency exciter systems of a kind of self-excited constant voltage generator
System.
Background technology
There are many form of generator, but its operation principle is all based on the law of electromagnetic induction and law of electromagnetic force.Therefore, structure
The rule made is:The magnetic circuit and circuit for carrying out electromagnetic induction mutually are constituted with magnetic conduction appropriate and conductive material, to generate
Electromagnetic power achievees the purpose that energy is converted.
With the development of science and technology, electrical equipment requires the power quality that generator exports higher and higher, both requires
The power quality of generator output is good, also requires that power supply unit itself is small, light-weight, reliability is high.
Electric excitation generator pressure regulating performance is good, can configure multi-protective function and realizes parallel running function, but volume
Greatly, weight is big, and reliability is not high.
Permanent magnet generator has the characteristics that small, light-weight, reliability is high, but permanent magnet generator also has insufficiently
Side, i.e., its output voltage is unadjustable, and its output voltage is affected by environment temperature, therefore uses with limitation
Property.Then composite excitation permanent magnet generator is suggested and has carried out a large amount of research.
In the patent application that utility model application number is 201420574265.8, disclose a kind of passive self-excited constant voltage without
Brush synchronous generator, the generator mainly include main generator armature, main generator rotor, exciter stator, armature of exciter,
Rotary rectifier module, control cabinet, seven parts automatic voltage regulator AVR.By using exciter stator iron core remanent magnetism, hair is solved
Voltage constant problem caused by motor excitation problem and load variation, rotation speed change etc. ensures that generator is encouraged oneself completely, saves outer
Portion's DC power supply or pilot exciter.But a kind of passive self-excited constant voltage no-brush synchronous generator disclosed in the utility model from
Dynamic voltage regulator can not achieve the control of the forward and reverse control and exciting current size of exciting current.
Chinese patent ZL201110118451.1 proposes a kind of hybrid excitation permanent magnet motor of tooth harmonic excitation, borrows simultaneously
Radio Transmission Technology is helped to be transmitted to rotor by stator by signal is controlled, by the excitation electricity for controlling tooth harmonic excitation system output
Stream, to realize that constant pressure of the generator with different loads when exports.But the motor rotor construction is more complex, needs to arrange wireless receiving
Module and chopper circuit, installation maintenance is difficult, while reducing reliability of operation.
Invention content
It is encouraged to solve the above problems, the primary and foremost purpose of the utility model is to provide a kind of three frequencies of self-excited constant voltage generator
Magnetomechanical system, the system and its control method are arranged by the control mechanism on exciter rotor, realization on host stator
The forward and reverse control of the exciting current of the exciter rotor side of AVR pairs of three frequency exciter systems of voltage regulator and exciting current
The control of size realizes that the self-excited constant voltage of the system is adjusted, while improving the reliability of voltage regulator AVR and can repair
Property.
Another of the utility model is designed to provide a kind of three frequency exciter systems of self-excited constant voltage generator, this is
Not only pressure regulating performance is good for system and its control method, can configure multi-protective function and realizes outside parallel running function；And it generates electricity
It is efficient, small, light-weight, easy to operate, highly practical, be easy to be widely popularized.
To achieve the above object, the technical solution of the utility model is as follows：
The utility model provides a kind of three frequency exciter systems of self-excited constant voltage generator, which is arranged in generator
On, generator includes host stator, main rotor, acquisition signaling module, power module, permanent magnet excitation body, and the host is fixed
Voltage regulator AVR is provided on son, it is characterised in that the three frequencies exciter system includes exciter stator, exciter turn
Son, control mechanism, the exciter stator are coaxially disposed with the exciter rotor, and the control mechanism setting turns in exciter
On son；By the control mechanism on exciter rotor, the AVR pairs of three frequency excitations of voltage regulator being arranged on host stator are realized
The control of the forward and reverse control and exciting current size of the exciting current of the exciter rotor side of machine system, realizes the system
Self-excited constant voltage is adjusted.
The exciter stator includes stator core, main exciter Exciting Windings for Transverse Differential Protection, electrical convertors and generators Exciting Windings for Transverse Differential Protection, control letter
Number motor excitation winding, the main exciter Exciting Windings for Transverse Differential Protection, electrical convertors and generators Exciting Windings for Transverse Differential Protection, control signal electric machine Exciting Windings for Transverse Differential Protection around
Volume is on stator core；
The main exciter Exciting Windings for Transverse Differential Protection, electrical convertors and generators Exciting Windings for Transverse Differential Protection, control signal electric machine Exciting Windings for Transverse Differential Protection, acquisition signal mode
Block, power module are electrically connected with the voltage regulator AVR；The power module provides power to voltage regulator AVR, institute
It states acquisition signaling module collection voltages signal and feeds back to the voltage regulator AVR；It is encouraged again by AVR pairs of three frequencies of voltage regulator
The control of the forward and reverse control and exciting current size of the exciting current of the exciter rotor side of magnetomechanical system, realizes the system
Self-excited constant voltage adjust.
The exciter rotor includes rotor core, anti-benefit threephase armature winding, positive benefit threephase armature winding, power supply list
Phase armature winding, the control single-phase armature winding of signal, the anti-benefit threephase armature winding, positive benefit threephase armature winding, power supply list
Phase armature winding, the control equal coiling of the single-phase armature winding of signal are on rotor core；
The anti-benefit threephase armature winding, positive benefit threephase armature winding, the single-phase armature winding of power supply, control signal single-phase electricity
Pivot winding is electrically connected with control mechanism；
Bottom plate is additionally provided on the exciter rotor, the control mechanism is mounted on the bottom plate；
The control mechanism, which includes unloaded anti-benefit three-phase commutation bridge, load is positive mends three-phase commutation bridge, forward and reverse excitation control
Circuit processed, the unloaded anti-benefit three-phase commutation bridge, load is just mending three-phase commutation bridge, forward and reverse excitation control circuit is arranged at bottom
On plate, the unloaded anti-three-phase commutation bridge of mending is electrically connected with forward and reverse excitation control circuit, and it is whole that three-phase is just being mended in the load
Stream bridge is electrically connected with forward and reverse excitation control circuit.
Wherein, host stator, main rotor, acquisition signaling module, power module, permanent magnet excitation body are the prior art,
It can realize above-mentioned function.
Further, forward and reverse excitation control circuit includes anti-benefit contactor pipe, positive benefit contactor pipe, control
Unit processed, compensation rotor field coil；The anti-benefit contactor pipe is electrically connected with compensation rotor field coil, the positive benefit electricity
Way switch pipe is electrically connected with compensation rotor field coil, and the anti-benefit contactor pipe is electrically connected with control unit, the positive benefit
Contactor pipe is electrically connected with control unit.
Further, the anti-benefit threephase armature winding is electrically connected with the unloaded anti-three-phase commutation bridge of mending, the zero load
Anti- three-phase commutation bridge of mending is electrically connected with the anti-benefit contactor pipe, and the positive benefit threephase armature winding just mends three with the load
Commutating phase bridge is electrically connected, and the positive three-phase commutation bridge of mending of the load is electrically connected with the positive benefit contactor pipe；Described control unit
It is electrically connected with the single-phase armature winding of the power supply, described control unit is electrically connected with the control single-phase armature winding of signal, the control
There are four ports, the respectively port a, b, c, d for unit processed, and the anti-benefit contactor pipe is electrically connected with the port a, b, described
Positive contactor pipe of mending is electrically connected with the port c, d.
Further, the unloaded anti-three-phase commutation bridge of mending includes diode D1, D2, D3, D4, D5, D6, the load
Positive three-phase commutation bridge of mending includes diode D7, D8, D9, D10, D11, D12, and the positive benefit contactor pipe includes metal-oxide-semiconductor
Q1, diode D13, resistance R1, R2, the anti-benefit contactor pipe includes metal-oxide-semiconductor Q2, diode D14, resistance R3, R4；
The anti-benefit threephase armature winding includes 1,2,3 ports；The positive benefit threephase armature winding includes 1,2,3 ends
Mouthful；The compensation rotor field coil includes 1,2 ports；The single-phase armature winding of power supply includes 1,2 ports；The control
The single-phase armature winding of signal processed includes 1,2 ports；
1 port of the compensation rotor field coil is connect with the anode of described diode D1, D2, D3, and the compensation turns
1 port of sub- Exciting Windings for Transverse Differential Protection is connect with the cathode of described diode D7, D8, D8, it is described compensation rotor field coil 2 ports with
The common end connection of the resistance R2, metal-oxide-semiconductor Q1, diode D13,2 ports of the compensation rotor field coil and the MOS
The common end connection of pipe Q2, diode D14；
Anti- 1 port for mending threephase armature winding is connect with the cathode of the diode D1, the anti-benefit threephase armature
2 ports of winding are connect with the cathode of the diode D2, anti-3 ports for mending threephase armature winding and the diode D3
Cathode connection, the positive of anti-1 port and the diode D4 for mending threephase armature winding connect, the anti-benefit three-phase electricity
2 ports of pivot winding are connect with the anode of the diode D5, anti-3 ports for mending threephase armature winding and the diode
The anode connection of D6；
Positive 1 port for mending threephase armature winding is connect with the anode of the diode D9, the positive benefit threephase armature
2 ports of winding are connect with the anode of the diode D8, positive 3 ports for mending threephase armature winding and the diode D7
Anode connection, it is described it is positive mend threephase armature winding 1 port connect with the cathode of the diode D12, the positive benefit three-phase
2 ports of armature winding are connect with the cathode of the diode D11, positive 3 ports and described two for mending threephase armature winding
The cathode of pole pipe D10 connects；
The cathode of the diode D13 is connect with the metal-oxide-semiconductor Q1 with the common end of the anode of the diode D6, described
The anode of diode D13 is connect with the metal-oxide-semiconductor Q1 with the common end of resistance R2；The cathode of the diode D14 and the MOS
Pipe Q2 is connect with the common end of 2 ports of the compensation rotor field coil, anode and the metal-oxide-semiconductor of the diode D14
Q2 is connect with the common end of resistance R4；
The resistance R1 is connect with the ports a, and the resistance R2 is connect with the ports b, the metal-oxide-semiconductor Q1 with it is described
The common end of resistance R1, R2 connect, and the resistance R3 is connect with the ports c, and the resistance R4 is connect with the ports d, institute
Metal-oxide-semiconductor Q2 is stated to connect with the common end of described resistance R3, R4.
Further, described control unit includes bridge rectifier, capacitance C1, C2, C3, C4, C5, C6, resistance R5,
R6, R7, driving chip U1, voltage stabilizing chip, photoelectrical coupler, DC-DC power module；
The bridge rectifier includes 1,2,3,4 ports；The driving chip U1 includes 1,2,3,4,5,6,7,8 ends
Mouthful；The photoelectrical coupler includes 1,2,3,4 ports；The DC-DC power module includes 1,2,3,4 ports；It is described steady
It includes input, output end, ground terminal to press chip；
1 port of the single-phase armature winding of power supply is connect with 2 ports of the bridge rectifier, the power supply single-phase electricity
2 ports of pivot winding are connect with 3 ports of the bridge rectifier, the 4 ports ground connection of the bridge rectifier；The capacitance C1
One end connect with 1 port of the bridge rectifier, the other end of capacitance C1 ground connection；One end of the capacitance C2 and institute
State the 1 port connection of bridge rectifier, the other end ground connection of the capacitance C2；The input terminal of the voltage stabilizing chip and the bridge-type
1 port of rectifier connects, and the output end of the voltage stabilizing chip is connect with 2 ports of the DC-DC power module, the voltage stabilizing
The ground terminal of chip is grounded；Node between one end and the voltage stabilizing chip and the bridge rectifier of the capacitance C3 connects
It connects, the other end ground connection of the capacitance C3；Between one end and the voltage stabilizing chip and the bridge rectifier of the resistance R5
Node connection, the resistance R5 the other end ground connection；
1 port of the control single-phase armature winding of signal is connect with the resistance R7, the single-phase armature of the control signal
2 ports of winding are connect with 2 ports of the photoelectrical coupler；1 port of the photoelectrical coupler is connect with the resistance R7,
4 ports of the photoelectrical coupler are connect with 2 ports of driving chip U1, the 3 ports ground connection of the photoelectrical coupler；
The output end of 1 port of the driving chip U1 and voltage stabilizing chip connects, 3 ports of the driving chip U1 with it is steady
The output end connection of chip is pressed, 4 ports of the driving chip U1 are connect with the ports d and 4 ends of the driving chip U1
Mouth ground connection, 5 ports of the driving chip U1 are connect with the ports c, 6 ports of the driving chip U1 and the ports b
Connection, 7 ports of the driving chip U1 are connect with the ports a；8 ports of the driving chip U1 and DC-DC electricity
3 ports of source module connect；1 port of the DC-DC power module is grounded, 4 ports of the DC-DC power module with it is described
The ports b connect；One end of the capacitance C6 connects 1 port of the DC-DC power module, the other end connection of the capacitance C6
4 ports of the photoelectrical coupler；One end of the capacitance C4 connects 1 port of the driving chip U1, the capacitance C4's
The other end is grounded；One end of the capacitance C5 connects 4 ports of the DC-DC power module, and the other end of the capacitance C5 connects
Connect 8 ports of the driving chip U1；One end of the resistance R6 connects 4 ports of the DC-DC power module, the resistance
The other end of R6 connects 8 ports of the driving chip U1.
Further, the number of poles of the main exciter Exciting Windings for Transverse Differential Protection is 2P1It is a, the number of poles of the electrical convertors and generators Exciting Windings for Transverse Differential Protection
For 2P2A, the number of poles of the control signal electric machine Exciting Windings for Transverse Differential Protection is 2P3A pole, the main exciter Exciting Windings for Transverse Differential Protection, electrical convertors and generators
Exciting Windings for Transverse Differential Protection, control signal electric machine Exciting Windings for Transverse Differential Protection share a stator core, and the main exciter Exciting Windings for Transverse Differential Protection, electrical convertors and generators are encouraged
Magnetic winding, the number of poles relationship for controlling signal electric machine Exciting Windings for Transverse Differential Protection are 2P1=2 (2P2), 2P2=2 (2P3).Such setting makes institute
The magnetic circuit stated in exciter stator is non-interference, and the induced voltage of the armature winding in the exciter rotor is also independent of each other.
Further, the anti-frequency for mending threephase armature winding is f1, the positive frequency for mending threephase armature winding is f1, electricity
The frequency of the single-phase armature winding in source is f2, the frequency of the control single-phase armature winding of signal is f3, the anti-benefit threephase armature winding,
Positive threephase armature winding, the single-phase armature winding of power supply, the control single-phase armature winding of signal mended shares a rotor core, described anti-
Mend threephase armature winding, the positive frequency pass for mending threephase armature winding, the single-phase armature winding of power supply, the control single-phase armature winding of signal
System is f1=2f2, f2=2f3.Such setting keeps the magnetic circuit in the exciter stator non-interference, the exciter rotor
The induced voltage of interior armature winding is also independent of each other.
The beneficial effects of the utility model are：Compared with the prior art, in the utility model, the system is by encouraging
Control mechanism on magnetomechanical rotor realizes that the voltage regulator AVR being arranged on host stator encourages three frequency exciter systems
The self-excited constant voltage tune of the system is realized in the control of the forward and reverse control and exciting current size of the exciting current of magnetomechanical rotor-side
Section, while improving the reliability and maintenanceability of voltage regulator AVR；Not only pressure regulating performance is good for the system, can configure a variety of
Outside defencive function and realization parallel running function；And generating efficiency is high, small, light-weight.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of three frequency exciter systems of self-excited constant voltage generator of the utility model.
Fig. 2 is a kind of exciter stator structural representation of three frequency exciter systems of self-excited constant voltage generator of the utility model
Figure.
Fig. 3 is a kind of exciter rotor structural representation of three frequency exciter systems of self-excited constant voltage generator of the utility model
Figure.
Fig. 4 is that a kind of control mechanism of three frequency exciter systems of self-excited constant voltage generator of the utility model is mounted on bottom plate
On schematic diagram.
Fig. 5 is a kind of circuit theory schematic diagram of three frequency exciter systems of self-excited constant voltage generator of the utility model.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Referring to shown in Fig. 1-5, the utility model provides a kind of three frequency exciter systems of self-excited constant voltage generator, the system
It is arranged on generator, generator includes that host stator, main rotor, acquisition signaling module 10, power module 20, permanent magnetism are encouraged
Magnet 30 is provided with voltage regulator AVR on the host stator, it is characterised in that the three frequencies exciter system includes to encourage
Magnetomechanical stator 1, exciter rotor 2, control mechanism 3, the exciter stator 1 is coaxially disposed with the exciter rotor 2, described
Control mechanism 3 is arranged on exciter rotor 2；By the control mechanism 3 on exciter rotor 2, realizes and be arranged in host stator
On AVR pairs of three frequency exciter systems of voltage regulator 2 side of exciter rotor exciting current forward and reverse control and excitation
The control of size of current realizes that the self-excited constant voltage of the system is adjusted.
Exciter stator 1 includes stator core 11, main exciter Exciting Windings for Transverse Differential Protection 12, electrical convertors and generators Exciting Windings for Transverse Differential Protection 13, control
Signal electric machine Exciting Windings for Transverse Differential Protection 14 processed, main exciter Exciting Windings for Transverse Differential Protection 12, electrical convertors and generators Exciting Windings for Transverse Differential Protection 13, control signal electric machine excitation around
14 equal coiling of group are on stator core 11；
Main exciter Exciting Windings for Transverse Differential Protection 12, electrical convertors and generators Exciting Windings for Transverse Differential Protection 13, control signal electric machine Exciting Windings for Transverse Differential Protection 14, acquisition signal
Module 10, power module 20 are electrically connected with voltage regulator AVR；Power module 20 provides power to voltage regulator AVR, adopts
Collection 10 collection voltages signal of signaling module feeds back to voltage regulator AVR；Pass through AVR pairs of three frequency exciter systems of voltage regulator again
The control of the forward and reverse control and exciting current size of the exciting current of 2 side of exciter rotor of system, realizes the self-excitation of the system
Constant pressure is adjusted.
Exciter rotor 2 includes rotor core 21, anti-benefit threephase armature winding 22, positive benefit threephase armature winding 23, electricity
The single-phase armature winding 24 in source, the control single-phase armature winding 25 of signal, it is anti-to mend threephase armature winding 22, positive benefit threephase armature winding
23, the single-phase armature winding 24 of power supply, the control single-phase 25 equal coiling of armature winding of signal are on rotor core 21；
Anti- benefit threephase armature winding 22, positive benefit threephase armature winding 23, the single-phase armature winding 24 of power supply, control signal are single-phase
Armature winding 25 is electrically connected with control mechanism 3；
Bottom plate 26 is additionally provided on exciter rotor 2, control mechanism 3 is mounted on bottom plate 26；
Control mechanism 3, which includes unloaded anti-benefit three-phase commutation bridge 31, load is positive mends three-phase commutation bridge 32, forward and reverse excitation control
Circuit 33 processed, unloaded anti-benefit three-phase commutation bridge 31, load is just mending three-phase commutation bridge 32, forward and reverse excitation control circuit 33 is respectively provided with
On bottom plate 26, unloaded anti-three-phase commutation bridge 31 of mending is electrically connected with forward and reverse excitation control circuit 33, is loaded and is just mended three phase rectifier
Bridge 32 is electrically connected with forward and reverse excitation control circuit 33.
In the present embodiment, forward and reverse excitation control circuit 33 includes anti-benefit contactor pipe 331, just mends contactor
Pipe 332, control unit 333, compensation rotor field coil 334；It is anti-to mend contactor pipe 331 and compensation rotor field coil 334
Electrical connection, positive contactor pipe 332 of mending are electrically connected with compensation rotor field coil 334, and it is single with control instead to mend contactor pipe 331
Member electrical connection, positive contactor pipe 332 of mending are electrically connected with control unit.
In the present embodiment, it instead mends threephase armature winding 22 to be electrically connected with the anti-three-phase commutation bridge 31 of mending of zero load, unloaded anti-benefit
Three-phase commutation bridge 31 is electrically connected with anti-contactor pipe 331 of mending, and is just mending threephase armature winding 23 and the positive benefit three-phase commutation bridge of load
32 electrical connections load positive three-phase commutation bridge 32 of mending and are electrically connected with positive contactor pipe 332 of mending；Control unit 333 and power supply are single-phase
Armature winding 24 is electrically connected, and control unit 333 is electrically connected with the single-phase armature winding of signal 25 is controlled, and there are four control units 333
Port, the respectively port a, b, c, d, anti-contactor pipe 331 of mending are electrically connected with the port a, b, positive benefit contactor pipe 332 and c,
The ports d are electrically connected.
In the present embodiment, unloaded anti-three-phase commutation bridge 31 of mending includes diode D1, D2, D3, D4, D5, D6, and load is just
It includes diode D7, D8, D9, D10, D11, D12 to mend three-phase commutation bridge 32, and positive contactor pipe 332 of mending includes metal-oxide-semiconductor
Q1, diode D13, resistance R1, R2, anti-contactor pipe 331 of mending includes metal-oxide-semiconductor Q2, diode D14, resistance R3, R4；
Anti- threephase armature winding 22 of mending includes 1,2,3 ports；Positive threephase armature winding 23 of mending includes 1,2,3 ports；
It includes 1,2 ports to compensate rotor field coil 334；The single-phase armature winding of power supply 24 includes 1,2 ports；It is single-phase to control signal
Armature winding 25 includes 1,2 ports；
1 port for compensating rotor field coil 334 is connect with the anode of diode D1, D2, D3, compensates rotor field coil
334 1 port is connect with the cathode of diode D7, D8, D8, compensates 2 ports and resistance R2, the metal-oxide-semiconductor of rotor field coil 334
The common end connection of Q1, diode D13, compensate 2 ports and the metal-oxide-semiconductor Q2 of rotor field coil 334, diode D14 it is public
End connection；
Anti- 1 port for mending threephase armature winding 22 is connect with the cathode of diode D1, anti-2 ends for mending threephase armature winding 22
Mouth is connect with the cathode of diode D2, and anti-3 ports for mending threephase armature winding 22 are connect with the cathode of diode D3, counter to mend three-phase
1 port of armature winding 22 is connect with the anode of diode D4, and anti-2 ports for mending threephase armature winding 22 and diode D5 are just
Pole connects, and anti-3 ports for mending threephase armature winding 22 are connect with the anode of diode D6；
Positive 1 port for mending threephase armature winding 23 is connect with the anode of diode D9, positive 2 ends for mending threephase armature winding 23
Mouth is connect with the anode of diode D8, and positive 3 ports for mending threephase armature winding 23 are connect with the anode of diode D7, just mend three-phase
1 port of armature winding 23 is connect with the cathode of diode D12, and positive 2 ports for mending threephase armature winding 23 are with diode D11's
Cathode connects, and positive 3 ports for mending threephase armature winding 23 are connect with the cathode of diode D10；
The cathode of diode D13 is connect with metal-oxide-semiconductor Q1 with the common end of the anode of diode D6, the anode of diode D13
It is connect with metal-oxide-semiconductor Q1 with the common end of resistance R2；The cathode of diode D14 and metal-oxide-semiconductor Q2 and compensation rotor field coil 334
The common end of 2 ports connects, and the anode of diode D14 is connect with metal-oxide-semiconductor Q2 with the common end of resistance R4；
Resistance R1 is connect with the ports a, and resistance R2 is connect with the ports b, and metal-oxide-semiconductor Q1 is connect with the common end of resistance R1, R2, electricity
Resistance R3 is connect with the ports c, and resistance R4 is connect with the ports d, and metal-oxide-semiconductor Q2 is connect with the common end of resistance R3, R4.
In the present embodiment, control unit 333 includes bridge rectifier 3331, capacitance C1, C2, C3, C4, C5, C6, electricity
Hinder R5, R6, R7, driving chip U1, voltage stabilizing chip 3332, photoelectrical coupler 3333, DC-DC power module 3334；
Bridge rectifier 3331 includes 1,2,3,4 ports；Driving chip U1 includes 1,2,3,4,5,6,7,8 ports；
Photoelectrical coupler 3333 includes 1,2,3,4 ports；DC-DC power module 3334 includes 1,2,3,4 ports；Voltage stabilizing chip
3332 include input, output end, ground terminal；
1 port of the single-phase armature winding of power supply 24 is connect with 2 ports of bridge rectifier 3331, the single-phase armature winding of power supply
24 2 ports are connect with 3 ports of bridge rectifier 3331, the 4 ports ground connection of bridge rectifier 3331；One end of capacitance C1 with
1 port of bridge rectifier 3331 connects, the other end ground connection of capacitance C1；One end of capacitance C2 and the 1 of bridge rectifier 3331
Port connects, the other end ground connection of capacitance C2；The input terminal of voltage stabilizing chip 3332 is connect with 1 port of bridge rectifier 3331,
The output end of voltage stabilizing chip 3332 is connect with 2 ports of DC-DC power module 3334, the ground terminal ground connection of voltage stabilizing chip 3332；
Node connection between one end and voltage stabilizing chip 3332 and bridge rectifier 3331 of capacitance C3, the other end ground connection of capacitance C3；
Node connection between one end and voltage stabilizing chip 3332 and bridge rectifier 3331 of resistance R5, the other end ground connection of resistance R5；
1 port of the single-phase armature winding of control signal 25 is connect with resistance R7, controls 2 ends of the single-phase armature winding of signal 25
Mouth is connect with 2 ports of photoelectrical coupler 3333；1 port of photoelectrical coupler 3333 is connect with resistance R7, photoelectrical coupler
3333 4 ports are connect with 2 ports of driving chip U1, the 3 ports ground connection of photoelectrical coupler 3333；
1 port of driving chip U1 is connect with the output end of voltage stabilizing chip 3332,3 ports and the voltage stabilizing core of driving chip U1
The output end of piece 3332 connects, and 4 ports of driving chip U1 are connect with the ports d and 4 ports of driving chip U1 are grounded, and drive core
5 ports of piece U1 are connect with the ports c, and 6 ports of driving chip U1 are connect with the ports b, 7 ports and the ports a of driving chip U1
Connection；8 ports of driving chip U1 are connect with 3 ports of DC-DC power module 3334；1 port of DC-DC power module 3334
Ground connection, 4 ports of DC-DC power module 3334 are connect with the ports b；The 1 of one end connection DC-DC power module 3334 of capacitance C6
Port, 4 ports of the other end connection photoelectrical coupler 3333 of capacitance C6；1 end of one end connection driving chip U1 of capacitance C4
Mouthful, the other end ground connection of capacitance C4；4 ports of one end connection DC-DC power module 3334 of capacitance C5, the other end of capacitance C5
Connect 8 ports of driving chip U1；4 ports of one end connection DC-DC power module 3334 of resistance R6, the other end of resistance R6
Connect 8 ports of driving chip U1.
In the present embodiment, the number of poles of main exciter Exciting Windings for Transverse Differential Protection 12 is 2P1It is a, the number of poles of electrical convertors and generators Exciting Windings for Transverse Differential Protection 13
For 2P2A, the number of poles of control signal electric machine Exciting Windings for Transverse Differential Protection 14 is 2P3A pole, main exciter Exciting Windings for Transverse Differential Protection 12, electrical convertors and generators excitation
Winding 13, control signal electric machine Exciting Windings for Transverse Differential Protection 14 share a stator core 11, and main exciter Exciting Windings for Transverse Differential Protection 12, electrical convertors and generators are encouraged
Magnetic winding 13, the number of poles relationship for controlling signal electric machine Exciting Windings for Transverse Differential Protection 14 are 2P1=2 (2P2), 2P2=2 (2P3).Such setting,
Keep the magnetic circuit in exciter stator 1 non-interference, the induced voltage of the armature winding in exciter rotor 2 is also independent of each other.
In the present embodiment, the frequency for instead mending threephase armature winding 22 is f1, the positive frequency for mending threephase armature winding 23 is
f1, the frequency of the single-phase armature winding of power supply 24 is f2, the frequency of the single-phase armature winding of control signal 25 is f3, counter to mend threephase armature
Winding 22, positive threephase armature winding 23, the single-phase armature winding 24 of power supply, the control single-phase armature winding 25 of signal mended share one turn
Sub- iron core 21, it is anti-to mend threephase armature winding 22, positive benefit threephase armature winding 23, the single-phase armature winding 24 of power supply, control signal list
The frequency relation of phase armature winding 25 is f1=2f2, f2=2f3.Such setting makes the magnetic circuit in exciter stator 1 not do mutually
It relates to, the induced voltage of the armature winding in exciter rotor 2 is also independent of each other.
The beneficial effects of the utility model are：Compared with the prior art, in the utility model, the system is by encouraging
Control mechanism 3 on magnetomechanical rotor 2 realizes the AVR pairs of three frequency exciter systems of voltage regulator being arranged on host stator
The control of the forward and reverse control and exciting current size of the exciting current of 2 side of exciter rotor, realizes the self-excited constant voltage of the system
It adjusts, while improving the reliability and maintenanceability of voltage regulator AVR；Not only pressure regulating performance is good for the system, can configure more
Outside kind defencive function and realization parallel running function；And generating efficiency is high, small, light-weight.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality
All any modification, equivalent and improvement etc., should be included in the guarantor of the utility model made by within novel spirit and principle
Within the scope of shield.
Claims (7)
1. a kind of three frequency exciter systems of self-excited constant voltage generator, which is arranged on generator, and generator includes master
Machine stator, main rotor acquire signaling module, power module, permanent magnet excitation body, and voltage adjusting is provided on the host stator
Device AVR, it is characterised in that the three frequencies exciter system includes exciter stator, exciter rotor, control mechanism, described to encourage
Magnetomechanical stator is coaxially disposed with the exciter rotor, and the control mechanism is arranged on exciter rotor；
The exciter stator includes stator core, main exciter Exciting Windings for Transverse Differential Protection, electrical convertors and generators Exciting Windings for Transverse Differential Protection, control signal electricity
Machine Exciting Windings for Transverse Differential Protection, the main exciter Exciting Windings for Transverse Differential Protection, electrical convertors and generators Exciting Windings for Transverse Differential Protection, the control equal coiling of signal electric machine Exciting Windings for Transverse Differential Protection exist
On stator core；
The main exciter Exciting Windings for Transverse Differential Protection, electrical convertors and generators Exciting Windings for Transverse Differential Protection, control signal electric machine Exciting Windings for Transverse Differential Protection, acquisition signaling module,
Power module is electrically connected with the voltage regulator AVR；The power module provides power to voltage regulator AVR, described
Acquisition signaling module collection voltages signal feeds back to the voltage regulator AVR；
The exciter rotor includes rotor core, anti-benefit threephase armature winding, positive benefit threephase armature winding, power supply single-phase electricity
Pivot winding, the control single-phase armature winding of signal, the anti-benefit threephase armature winding, positive benefit threephase armature winding, power supply single-phase electricity
Pivot winding, the control equal coiling of the single-phase armature winding of signal are on exciter rotor iron core；
The anti-benefit threephase armature winding, it is positive mend threephase armature winding, the single-phase armature winding of power supply, the control single-phase armature of signal around
Group is electrically connected with control mechanism；
Bottom plate is additionally provided on the exciter rotor, the control mechanism is mounted on the bottom plate；
The control mechanism, which includes unloaded anti-benefit three-phase commutation bridge, load is positive mends three-phase commutation bridge, forward and reverse excitation con-trol electricity
Road, the unloaded anti-benefit three-phase commutation bridge, load is just mending three-phase commutation bridge, forward and reverse excitation control circuit is arranged at bottom plate
On, the unloaded anti-three-phase commutation bridge of mending is electrically connected with forward and reverse excitation control circuit, and the load is positive to mend three phase rectifier
Bridge is electrically connected with forward and reverse excitation control circuit.
2. a kind of three frequency exciter systems of self-excited constant voltage generator according to claim 1, it is characterised in that it is described just
Reversed excitation control circuit include it is anti-mend contactor pipe, it is positive mend contactor pipe, control unit, compensation rotor-exciting around
Group；The anti-benefit contactor pipe is electrically connected with compensation rotor field coil, and the positive benefit contactor pipe is encouraged with compensation rotor
Magnetic winding is electrically connected, and the anti-benefit contactor pipe is electrically connected with control unit, the positive benefit contactor pipe and control unit
Electrical connection.
3. a kind of three frequency exciter systems of self-excited constant voltage generator according to claim 2, it is characterised in that described anti-
It mends threephase armature winding to be electrically connected with the unloaded anti-three-phase commutation bridge of mending, the zero load is anti-to mend three-phase commutation bridge and the anti-benefit
Contactor pipe is electrically connected, and the positive benefit threephase armature winding is electrically connected with the positive three-phase commutation bridge of mending of the load, the load
Positive three-phase commutation bridge of mending is electrically connected with the positive benefit contactor pipe；Described control unit and the single-phase armature winding electricity of the power supply
Connection, described control unit are electrically connected with the control single-phase armature winding of signal, port there are four described control units, respectively a,
B, the port c, d, the anti-benefit contactor pipe are electrically connected with the port a, b, the positive benefit contactor pipe and the end c, d
Mouth electrical connection.
4. a kind of three frequency exciter systems of self-excited constant voltage generator according to claim 3, it is characterised in that the sky
It includes diode D1, D2, D3, D4, D5, D6 to carry anti-three-phase commutation bridge of mending, and the positive three-phase commutation bridge of mending of the load includes two
Pole pipe D7, D8, D9, D10, D11, D12, the positive benefit contactor pipe include metal-oxide-semiconductor Q1, diode D13, resistance R1, R2,
The anti-benefit contactor pipe includes metal-oxide-semiconductor Q2, diode D14, resistance R3, R4；
The anti-benefit threephase armature winding includes 1,2,3 ports；The positive benefit threephase armature winding includes 1,2,3 ports；
The compensation rotor field coil includes 1,2 ports；The single-phase armature winding of power supply includes 1,2 ports；The control
The single-phase armature winding of signal includes 1,2 ports；
1 port of the compensation rotor field coil is connect with the anode of described diode D1, D2, D3, and the compensation rotor is encouraged
1 port of magnetic winding is connect with the cathode of described diode D7, D8, D8, it is described compensation rotor field coil 2 ports with it is described
The common end connection of resistance R2, metal-oxide-semiconductor Q1, diode D13,2 ports of the compensation rotor field coil and the metal-oxide-semiconductor
The common end connection of Q2, diode D14；
Anti- 1 port for mending threephase armature winding is connect with the cathode of the diode D1, the anti-benefit threephase armature winding
2 ports connect with the cathode of the diode D2, anti-3 ports and the diode D3's for mending threephase armature winding is negative
Pole connects, and the positive of anti-1 port and the diode D4 for mending threephase armature winding connect, the anti-benefit threephase armature around
2 ports of group are connect with the anode of the diode D5, and anti-3 ports for mending threephase armature winding are with the diode D6's
Anode connection；
Positive 1 port for mending threephase armature winding is connect with the anode of the diode D9, the positive benefit threephase armature winding
The anode of 2 ports and the diode D8 connect, positive 3 ports for mending threephase armature winding and the diode D7 are just
Pole connects, and positive 1 port for mending threephase armature winding is connect with the cathode of the diode D12, the positive benefit threephase armature
2 ports of winding are connect with the cathode of the diode D11, positive 3 ports for mending threephase armature winding and the diode
The cathode of D10 connects；
The cathode of the diode D13 is connect with the metal-oxide-semiconductor Q1 with the common end of the anode of the diode D6, two pole
The anode of pipe D13 is connect with the metal-oxide-semiconductor Q1 with the common end of resistance R2；The cathode of the diode D14 and the metal-oxide-semiconductor Q2
Connect with the common end of 2 ports of the compensation rotor field coil, the anode of the diode D14 and the metal-oxide-semiconductor Q2 and
The common end of resistance R4 connects；
The resistance R1 is connect with the ports a, and the resistance R2 is connect with the ports b, the metal-oxide-semiconductor Q1 and the resistance
The common end of R1, R2 connect, and the resistance R3 is connect with the ports c, and the resistance R4 is connect with the ports d, the MOS
Pipe Q2 is connect with the common end of described resistance R3, R4.
5. a kind of three frequency exciter systems of self-excited constant voltage generator according to claim 4, it is characterised in that the control
Unit processed includes bridge rectifier, capacitance C1, C2, C3, C4, C5, C6, resistance R5, R6, R7, driving chip U1, voltage stabilizing core
Piece, photoelectrical coupler, DC-DC power module；
The bridge rectifier includes 1,2,3,4 ports；The driving chip U1 includes 1,2,3,4,5,6,7,8 ports；
The photoelectrical coupler includes 1,2,3,4 ports；The DC-DC power module includes 1,2,3,4 ports；The voltage stabilizing core
Piece includes input, output end, ground terminal；
1 port of the single-phase armature winding of power supply is connect with 2 ports of the bridge rectifier, the single-phase armature of power supply around
2 ports of group are connect with 3 ports of the bridge rectifier, the 4 ports ground connection of the bridge rectifier；The one of the capacitance C1
End is connect with 1 port of the bridge rectifier, the other end ground connection of the capacitance C1；One end of the capacitance C2 and the bridge
1 port of formula rectifier connects, the other end ground connection of the capacitance C2；The input terminal of the voltage stabilizing chip and the bridge rectifier
1 port of device connects, and the output end of the voltage stabilizing chip is connect with 2 ports of the DC-DC power module, the voltage stabilizing chip
Ground terminal ground connection；Node connection between one end and the voltage stabilizing chip and the bridge rectifier of the capacitance C3, institute
State the other end ground connection of capacitance C3；Node between one end and the voltage stabilizing chip and the bridge rectifier of the resistance R5
Connection, the other end ground connection of the resistance R5；
1 port of the control single-phase armature winding of signal is connect with the resistance R7, the single-phase armature winding of the control signal
2 ports connect with 2 ports of the photoelectrical coupler；1 port of the photoelectrical coupler is connect with the resistance R7, described
4 ports of photoelectrical coupler are connect with 2 ports of driving chip U1, the 3 ports ground connection of the photoelectrical coupler；
1 port of the driving chip U1 and the output end of voltage stabilizing chip connect, 3 ports and the voltage stabilizing core of the driving chip U1
The output end of piece connects, and 4 ports of the driving chip U1 are connect with the ports d and 4 ports of the driving chip U1 connect
Ground, 5 ports of the driving chip U1 are connect with the ports c, and 6 ports of the driving chip U1 are connect with the ports b,
7 ports of the driving chip U1 are connect with the ports a；8 ports of the driving chip U1 and the DC-DC power module
3 ports connection；1 port of the DC-DC power module is grounded, 4 ports of the DC-DC power module and the ports b
Connection；One end of the capacitance C6 connects 1 port of the DC-DC power module, described in the other end connection of the capacitance C6
4 ports of photoelectrical coupler；One end of the capacitance C4 connects 1 port of the driving chip U1, and the capacitance C4's is another
End ground connection；One end of the capacitance C5 connects 4 ports of the DC-DC power module, and the other end of the capacitance C5 connects institute
State 8 ports of driving chip U1；One end of the resistance R6 connects 4 ports of the DC-DC power module, the resistance R6's
The other end connects 8 ports of the driving chip U1.
6. a kind of three frequency exciter systems of self-excited constant voltage generator according to claim 1, which is characterized in that the master
The number of poles of exciter excitation winding is 2P1A, the number of poles of the electrical convertors and generators Exciting Windings for Transverse Differential Protection is 2P2It is a, the control signal electric machine
The number of poles of Exciting Windings for Transverse Differential Protection is 2P3A pole, the main exciter Exciting Windings for Transverse Differential Protection, electrical convertors and generators Exciting Windings for Transverse Differential Protection, control signal electric machine are encouraged
Magnetic winding shares an exciter stator iron core, the main exciter Exciting Windings for Transverse Differential Protection, electrical convertors and generators Exciting Windings for Transverse Differential Protection, control signal electricity
The number of poles relationship of machine Exciting Windings for Transverse Differential Protection is 2P1=2 (2P2), 2P2=2 (2P3)。
7. a kind of three frequency exciter systems of self-excited constant voltage generator according to claim 1, it is characterised in that described anti-
The frequency for mending threephase armature winding is f1, the positive frequency for mending threephase armature winding is f1, the frequency of the single-phase armature winding of power supply is
f2, the frequency of the control single-phase armature winding of signal is f3, the anti-benefit threephase armature winding, positive benefit threephase armature winding, power supply list
Phase armature winding, the control single-phase armature winding of signal share a rotor core, and the anti-benefit threephase armature winding just mends three-phase
The single-phase armature winding of armature winding, power supply, the frequency relation for controlling the single-phase armature winding of signal are f1=2f2, f2=2f3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820237735.XU CN207884524U (en) | 2018-02-10 | 2018-02-10 | A kind of three frequency exciter systems of self-excited constant voltage generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820237735.XU CN207884524U (en) | 2018-02-10 | 2018-02-10 | A kind of three frequency exciter systems of self-excited constant voltage generator |
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| CN207884524U true CN207884524U (en) | 2018-09-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108111076A (en) * | 2018-02-10 | 2018-06-01 | 深圳市安托山特种机械有限公司 | The three frequency exciter systems and its control method of a kind of self-excited constant voltage generator |
| CN110401387A (en) * | 2019-08-13 | 2019-11-01 | 福建凯威斯发电机有限公司 | A kind of bifrequency switching generator |
-
2018
- 2018-02-10 CN CN201820237735.XU patent/CN207884524U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108111076A (en) * | 2018-02-10 | 2018-06-01 | 深圳市安托山特种机械有限公司 | The three frequency exciter systems and its control method of a kind of self-excited constant voltage generator |
| CN108111076B (en) * | 2018-02-10 | 2024-02-20 | 深圳市安托山特种机械有限公司 | Three-frequency exciter system of self-excited constant-voltage generator and control method thereof |
| CN110401387A (en) * | 2019-08-13 | 2019-11-01 | 福建凯威斯发电机有限公司 | A kind of bifrequency switching generator |
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