CN202645852U - Control system for vertical shaft wind generating set - Google Patents
Control system for vertical shaft wind generating set Download PDFInfo
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- CN202645852U CN202645852U CN2011205068657U CN201120506865U CN202645852U CN 202645852 U CN202645852 U CN 202645852U CN 2011205068657 U CN2011205068657 U CN 2011205068657U CN 201120506865 U CN201120506865 U CN 201120506865U CN 202645852 U CN202645852 U CN 202645852U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
A control system for a vertical shaft wind generating set is disclosed and the control system comprises a CPU processor, a high speed pulse counting module, a analog quantity input module, a digital quantity input module, a digital quantity output module, a temperature module, a communication module, and a hardware safety chain loop, wherein information transmission is realized between the CPU processor and each of the high speed pulse counting module, the analog quantity input module, the digital quantity input module, the digital quantity output module, the temperature module and the communication module; and the hardware safety chain loop is formed through series connection of safety protection nodes such as a CPU process watchdog protection node, a wind generating set rotating speed node, a vibration acceleration node, a emergency shutdown node and the like. Communication between the CPU processor and a central monitor room is realized through an industrial Ethernet redundancy ring network, and control over the wind generating set is realized based on the state information of the wind generating set, wherein the state information of the wind generating set is collected by the various modules.
Description
Technical field
The utility model relates to a kind of vertical axis aerogenerator set control system.
Background technique
As everyone knows, earth resource is non-renewable resources particularly, are not inexhaustible, nexhaustible.Global energy is the 21 century of exhaustion day by day, and expanding economy more and more is limited by the development and use of the energy.Wind-power electricity generation is clean reproducible energy, and it is large to accumulate storage, has huge actual development value.The China Water electric resources has 370GW, and wind energy resources has 250GW.According to national planning, can reach 3,000 ten thousand kilowatts to the year two thousand twenty China installed capacity of wind-driven power, the wind-powered electricity generation unit is also gradually to MW class maximization future development.
Wind-powered electricity generation belongs to intermittent energy source, whether the wind power generating set operation is reliable and stable, directly have influence on the safe operation of electrical network, therefore need a cover can control the normal operation of wind-powered electricity generation unit, to running state monitor, to malfunction alarm in time judge and processes, make things convenient for unit maintenance, various Operational Limits can arrange easily, with the automatic control system of CSRC efficient communication, guarantee unit safety operation.
Compare with horizontal axis wind-driven generator, the vertical axis aerogenerator group has the following advantages:
(1) wind of any direction can generate electricity, and does not need wind, has saved selection by winnowing to device, and structural design is oversimplified;
(2) without gyro power, to unit safety operation, the generating favourable;
(3) control cabinet, all below unit, installation, maintenance is convenient for generator transmission, braking, the key device such as lubricated;
(4) the plastic variability of blade shape is strong, can make various shapes; And area can suitably increase.
Mention the vertical shaft fan control system based on PLC in the paper " Primary Study of Novel vertical axis wind turbine and design ", but do not provided embodiment and control procedure.
Paper " based on the vertical-shaft fan Control System Design of AT89C52 " (Wang Guoqiang, microcomputer information, the 26th volume 7-2 phase in 2010) mentioned the vertical shaft fan control system based on AT89C52 in, but be subjected to the restriction of the frequency of okperation of single-chip microcomputer own and module expansion, be only applicable to the small-power blower fan, can not satisfy the demand of MW class large power blower fan, and the setting of various communication interfaces is difficult, program development, debugging are complicated.
Publication number is that the utility model patent " the vertical axis aerogenerator control system that possesses uninterruptable power supply (UPS) from the net type " of 201020516049.X has proposed a kind of vertical shaft control system based on PLC, and control structure is simple, is easy to realize.But its shortcoming is: be only applicable to the small-power blower fan of KW level, be not suitable for the high-power blower of MW level, and belong to from net type blower fan, can not satisfy the demand that is incorporated into the power networks; The PLC that selects is S7-200, and the expansion of module and communication is inconvenient; There is not long distance control system; What tachometric survey was adopted is common DI input port, and it is accurate that institute's tachometer value of surveying is not so good as the high-speed pulse counting module.
(Song Wang Quansheng builds up document " based on the research of communications system in the vertical axis wind power generation control system of PLC control ", electrical technology, the fifth phase in 2008) mentioned the remote monitoring Communication Studies based on S7-200PLC Free communications system in, real-time data transmission is accurate.But its effective communication distance only has 2500 meters, and traffic rate is slow, is not enough to satisfy that wind-powered electricity generation is on-the-spot complicated, when at a distance communication need, and communication line has a place fault, and communication will be interrupted.
The model utility content
The purpose of this utility model provides a kind of reliable, multiple functional, stable performance of control, easy to operate, the vertical axis aerogenerator set control system that is easy to safeguard.
The purpose of this utility model is achieved through the following technical solutions:
A kind of control system of vertical axis aerogenerator group is characterized in that: described control system comprises CPU processor, industrial ethernet switch, man-machine interface.The CPU processor is communicated by letter with man-machine interface by the communication interface of self, and the communication module that turns RS485 by the DP interface is communicated by letter with current transformer; Obtain the electric network information such as three-phase voltage, three phase circuit, mains frequency, power factor, active power, Active Generation total amount, reactive power generation total amount of described wind power generating set by electric quantity acquisition module PAC3200.The CPU processor communicates by EPA redundant looped network and central control room.Control system of the present invention also comprises high-speed pulse counting module, analog input module, digital quantity input module, digital output module, the thermal module that carries out communication with the CPU processor, and the theft-resistant link chain loop that is comprised of each malfunctioning node of wind power generating set; The high-speed pulse counting module gathers the high-speed pulse signal; The analog input module gathers pressure and the cabin vibration acceleration value of lubrication system, hydraulic system; Digital quantity input module gathers the switching value signal of generator, hydraulic system, lubrication system, electric elements feedback; Digital output module output switch amount control signal is used for the start and stop of control brake valve, cooling equipment, heating plant and various actuators motor; Thermal module gathers dynamo bearing temperature, gear oil temperature, generator coil winding temperature, ambient temperature equitemperature signal.
The high-speed pulse signal of described high-speed pulse counting module collection is the high-speed pulse signal that high speed shaft speed probe, lower velocity shaft speed probe, generator speed sensor, the air velocity transducer of described wind power generating set exported.
Described digital quantity input module is used for gathering the switching value input signal of described wind power generating set, comprising: generator cooling fan overload; motor sliding ring/main frame Heating over load; the wearing and tearing of generator main slip ring carbon brush; the wearing and tearing of motor ground connection slip ring carbon brush; machine room cooling fan overload; the action of machine room emergency stop button; column foot lubricating pump overload; column foot lubricant oil Heating over load; column foot cooling fan overload; column foot hydraulic-pressure pump overload; column foot lubrication motor Heating over load; column foot gear-box oil level is low; column foot gear-box oil level is high; column foot gear-box differential pressure switch; the column foot gear case oil compresses switch; high speed shaft brake wearing and tearing; the high speed shaft brake discharges; on the spot/long-range switching; the hydraulic pressure oil level is low; hydraulic oil temperature is high; the hydraulic pressure switch; the converter cabinet emergency stop button; main disconnector Trip; the contactor that is incorporated into the power networks feedback; the LVRT function activation; column foot 690V power supply feedback; column foot 400V power supply feedback; cabin power supply feedback; the network transformer temperature is high; the high pressure side circuit breaker disconnects; the low voltage side circuit breaker disconnects; theft-resistant link chain OK; column foot cabinet emergency stop button; the column foot cabinet starts; the column foot cabinet is shut down; brake discharges; the column foot cabinet is safeguarded; cabin 400V power supply feedback; cabin 24V power supply feedback; gear box lubricating oil pump overload; gear lubrication oil heater overload; the gear-box oil level is high; the gear-box oil level is low; the filter differential pressure switch; the gear oil pressure switch; cabin cabinet emergency stop button feedback; the vibroswitch feedback; overrun switch feedback of lower velocity shaft.
Described digital output module is used for controlling the switching value signal of described wind power generating set output; The switching value signal of described wind power generating set output comprises: the generator cooling fan; the equipment room ventilation fan; the machine room cooling fan; column foot lubricating pump (low speed); column foot lubricating pump (star); column foot lubricating pump (at a high speed); the heating of column foot lubricant oil; the column foot cooling fan; the hydraulic-pressure pump motor; the lubricating oil pump motor heating; the Generator Slip Ring heating; the generator heating; disconnected main disconnector; the LVRT signal; high speed brake electric magnet valve; helper motor starts; fault indicating lamp; run indicator; safeguard tutorial light; halt indicator; gear box lubricating oil pump (master); gear box lubricating oil pump (auxiliary); the gear box lubricating oil heater; the anemoscope heating.
Described analog input module gathers analog signals, gathers gear box lubricating oil inlet pressure, lubricating pump outlet pressure, current transformer ambient temperature, current transformer ambient humidity, cabin vibration acceleration, cabin charge oil pressure by gear box lubricating oil inlet pressure transducer, lubricating pump outlet pressure sensor, current transformer environment temperature sensor, current transformer ambient humidity sensor, vibration acceleration sensor, cabin charge oil pressure sensor.
Described thermal module is by the main bearing temperature transducer, cabin gear-box oil sump temperature transducer, cabin gear box lubricating oil inlet temperature sensor, temperature transducer in the engine room control cabinet, environment temperature sensor, the network transformer temperature transducer, machine room front end temperature transducer, machine room rear end temperature transducer, the building environment temperature transducer, column foot gear-box oil sump temperature transducer, column foot gear box lubricating oil inlet temperature sensor, the high speed shaft of gearbox temperature transducer, generator DE step bearing temperature transducer, generator NDE step bearing temperature transducer, the Generator Slip Ring temperature transducer, generator U phase winding temperature transducer, generator V phase winding temperature transducer, generator W phase winding temperature transducer, generator cooler exhaust outlet temperature transducer, column foot control cabinet temperature transducer comes the collecting temperature signal.
The CPU processor is controlled wind power generating set after collecting above-mentioned signal, and its basic controlling process is:
At first carry out self check, the automatic detection of grid of wind power generating set, wind regime, ambient temperature, the state of unit own: such as various temperature, pressure oil level, control power supply, theft-resistant link chain, maintenance switch position etc. in normal state.
After self check is passed through, begin to carry out " braking is removed ", be lower than the startup wind speed such as wind speed, unit is in holding state.
When wind speed greater than after starting wind speed, wind wheel begins rotation under the lift effect of wind, when rotating speed reaches when being incorporated into the power networks rotating speed, carry out and network process.
The temperature signal of the unit that the CPU processor gathers according to the pressure of hydraulic system and described thermal module, the start and stop of control actuator.
In the wind power generating set running; the CPU processor carries out faut detection immediately; when unit operation self and external condition do not satisfy; as breaking down when wind power generating set; or device temperature is too high or too low; or wind speed is when excessive or too small, and unit is carried out the off-grid program, drops into the brake valve brake and shuts down.
Described CPU processor communicates by EPA redundant looped network and central control room, during any point fault, can recover the normal communication of network in 0.3 second on the network, can satisfy the harsh working environment of industry spot and high reliability requirement.Adopt vertical axis aerogenerator set control system of the present invention; by monitoring the For Generator Unit Operating Parameters such as electric network information, weather information, temperature oil pressure information, speed vibration information; and carry out telecommunication with central control room; communication network not only has higher communication speed to guarantee effective transmission of mass data; also has fault-tolerant ability to improve the reliability of communication; guarantee the Wind turbine operations such as off-grid, orderly closedown, emergency shutdown of being incorporated into the power networks safely and reliably.
This control system is multiple functional, stable and reliable for performance, easy to operate, be easy to the advantages such as maintenance, can realize following functions:
(1) collection of the process datas such as unit digital quantity signal, temperature signal, analog signals, electric network information, weather information, current transformer signal, demonstration and storage;
(2) unit maintenance, test function;
(3) unit starting, be incorporated into the power networks, the automatic control of stopping process;
(4) the automatic control of unit actuator;
(5) alarm of the detection of set state information and corresponding information;
(6) electric weight daily sheet statistical function;
(7) voluntarily starting protection measure during the unit abnormal conditions, and record data as required are convenient to generate various supplemental characteristics, the properties during the reflection unit operation.
Description of drawings
Fig. 1 is the utility model system functional block diagram;
Fig. 2 is the network structure of the utility model system;
Fig. 3 is the brake system schematic representation of the utility model system, among the figure: 2,3,4 brake electric magnet valves, 5 high-speed shaft brake discs.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As shown in Figure 1, wind turbine control system comprises the CPU processor---programmable controller PLC and carry out high-speed pulse counting module, analog input module, digital quantity input module, digital output module, the thermal module of communication with the CPU processor.The CPU processor communicates by industrial ethernet switch and remote central monitoring chamber, by the current transformer communication of communication module and described wind power generating set.
The CPU processor is communicated by letter with man-machine interface by its communication interface.Gather electric network information by its communication interface, obtain the electric network informations such as three-phase voltage, three phase circuit, mains frequency, power factor, active power, Active Generation total amount, reactive power generation total amount.
The CPU processor carries out centralized control to each function module, also passes through the implementation status of Controlled by Programmable Controller unit according to unit parameter information.
As shown in Figure 2, native processor selects programmable controller to realize the input of field digital amount, analog amount and communication module, output and control, uses touch screen human-computer interface to carry out field control and supervision.Programmable controller is connected with optical fiber switch (OSM) on the optical fiber ring network by the EPA communication module, main monitoring chamber also is connected in the EPA slack looped network by OSM, uses the PC process control machine that telecontrol and supervision are carried out in the scene in central control room.
Fig. 3 is the brake system schematic representation of the utility model system, and each unit has the identical brake system of quadruplet.As shown in Figure 3, control system by control brake electric magnet valve 2, brake electric magnet valve 3, brake electric magnet valve 4 act on high-speed shaft brake disc 5 the difference action, realize loose band-type brake and different halt modes.Wherein brake electric magnet valve 4 is used for carrying out the total head braking.
The utility model is controlled the running of unit by gathering electric network information, weather information, rotary speed information, and by collecting temperature information the main actuator of unit is controlled, and its control mode is as described below:
1, electrical network parameter monitoring
The CPU processor reads the data such as line voltage, electric current, mains frequency, power factor, active power in real time by electric quantity acquisition module, by electric network data and the generator speed signal that collects, the CPU processor is incorporated into the power networks to unit or the off-grid operation.When the wind power generating set rotating speed was cut rotating speed more than or equal to being incorporated into the power networks, control system was sent the instruction of being incorporated into the power networks to wind power generating set.When the active power of generator set output during less than unit off-grid power, control system can be sent the off-grid instruction to wind power generating set.When the active power of generator set output during greater than unit rated power, control system also can be sent the off-grid instruction, makes the generator set dead halt.The electric network data of monitoring also is used for the statistics of wind power generating set active power, daily generation.
2, wind regime monitoring
The CPU processor gathers wind velocity signal by the high-speed pulse counting module to be come wind regime is monitored.
Wind velocity signal obtains by the anemoscope Real-time Collection, and average every 500ms collection-inferior is used for the start and stop of control unit.When wind speed was excessive or too small, the CPU processor sent brake instruction, compressor emergency shutdown by the digital output module.
3, rotating speed status parameter
The CPU processor gathers high speed shaft rotating speed, lower velocity shaft rotating speed, generator speed signal by the high-speed pulse counting module.Above signal is measured by the velocity transducer that is arranged on generator, gear-box and wind wheel and is obtained, and each tach signal has soft and hardware hypervelocity duplicate protection, and after the hypervelocity, generator set can be shut down in self-actuating brake.Tach signal also is used for being incorporated into the power networks of control unit, off-grid control.
4, temperature Real Time Monitoring
The CPU processor gathers generator coil temperature, transformer coli winding temperature by thermal module, generator front and back bearings temperature, stator temperature, gear case oil temperature, gear-box front and back bearings temperature, pressurized oil system oil temperature, cabin equitemperature, wherein the signal of thermal module obtains by the temperature sensor measurement that is arranged on the upper-part relevant position.When the operational outfit excess Temperature, the CPU processor sends braking commands, and wind power generating set is shut down.Simultaneously send instruction to the digital output module, start cooling equipment to reduce temperature, cooling equipment comprises generator cooling fan, gear case cooling fan etc.; Cooling equipment out of service when temperature returns to permitted value, unit starts operation automatically.When temperature is lower than the temperature parameter of unit operation, generator set also can be automatically out of service, control system is sent instruction to the digital output module and is started corresponding heating plant, such as generator heating plant, gear-box heating plant, until temperature reaches the runtime value of permission, stopped heating, unit starts automatically.
5, control starts, is incorporated into the power networks
This control system has two kinds of Starting mode: automatically start and manually start.After unit entered holding state, control system detected wind speed automatically, and wind speed mean value reaches the incision wind speed within one period endurance, and during the System self-test fault-free, control system is sent startup command, and unit is by treating that the wind state enters starting state; Manually start and be divided into man-machine interface and manually boot and the CSRC remote activation.After unit enters holding state, click start button, unit enters starting state immediately.Its start-up course is:
(1) loose mechanical brake, set axle brake electric magnet valve 2 and brake electric magnet valve 3 cut-out pressures source at first, the set brake electric magnet valve 4 of delaying time after 2 seconds is laid down pressure.
(2) when generator speed during greater than " rotating speed is incorporated into the power networks " value, start current transformer, wait for set grid-connection.
(3) in the unit starting process, in the time of in generator speed rises to the current transformer range of operation, send enabled instruction and start current transformer, current transformer detects generator unit stator side voltage, when frequency is identical with electrical network with phase place, drops into the switch that is incorporated into the power networks, and finishes the control of being incorporated into the power networks.After being incorporated into the power networks, start-up sequence finishes, and unit loads according to pre-set power curve.
6, shut down
When breaking down in inside or the outside of wind power generating set; or the monitoring the parameter value of overstepping the extreme limit and dangerous situation appears; or control system lost efficacy; as wind power generating set equipment break down, excess Temperature, temperature is excessively low, wind speed is excessive, when wind speed is too small; wind power generating set can not remain in the normal range of operation; then start safety system; the CPU processor sends instruction to the digital output module; generator set is carried out the order of dead halt or quick shutdown, makes wind power generating set maintain safe condition.
Shutdown procedure is divided into generic failure and shuts down and emergency shutdown.The two main distinction has 2 points: the one, and different to the operation of high speed lock, the one, the process of load shedding is different in the stopping process.
Generic failure is shut down:
(1) reset brake electric magnet valve 3 and brake electric magnet valve 4 realize that like this brake rim contacts with the soft of brake disc; After about 0.3 second, brake electric magnet valve 2 dead electricity, the braking of break total head.
(2) generator speed descends, and the power of the assembling unit is given given according to the rotating speed power curve;
(3) when current transformer side generator torque during less than " off-grid torque ", the command word that is incorporated into the power networks sets to 0, the unit off-grid;
(4) when generator speed during less than " rotating speed is finished in shutdown ", successfully sign is shut down in set.
Emergency is shut down:
(1) reset simultaneously brake electric magnet valve 3, brake electric magnet valve 4 and brake electric magnet valve 2, the pressure total head braking that is provided by accumulator;
(2) command word that is incorporated into the power networks sets to 0 the unit off-grid;
(3) when generator speed during less than " rotating speed is finished in shutdown ", successfully sign is shut down in set.
7, low voltage ride-through function
Terminal voltage at wind-driven generator is reduced in the situation of certain value, and control system can guarantee that the wind-powered electricity generation unit does not break away from electrical network and continues to keep operation, even also can be electrical network and provide certain idle to help power system restoration voltage.The low voltage ride-through function that the utlity model has is as described below:
(1) the wind-powered electricity generation unit can guarantee that off-grid does not move 625ms continuously when the point voltage that is incorporated into the power networks falls to 20% voltage rating;
(2) wind farm grid-connected point voltage after falling, can return in the 2s voltage rating 90% the time, the wind-powered electricity generation unit can guarantee that off-grid does not move continuously;
(3) meritorious restore funcitons is not to cutting out the unit of electrical network, the value of active power before the rear power variation rate with at least 10% rated power/second of electric network fault removing returns to fault during the electric network fault.
8, safety protection function
Control system has defined trigger condition and the reset condition of every fault.If unit external condition is good, do not affect normal operation, the control system fault that these external conditions cause that can automatically reset.Do not affect the fault of the normal operation of wind power generating set, can hand reset.For fatefulue fault, control system does not allow it to automatically reset, and necessary attendant such as grade can reset to site examining and repairing and after getting rid of fault.
The action of theft-resistant link chain protective system is independent of outside the control system, even the CPU processor breaks down, i.e. during software protection disabler, also can not affect the normal operation of safety system.The theft-resistant link chain protection comprises lower velocity shaft overspeed protection, generator overspeed protection, the protection of CPU processor house dog, cabin vibration protection, control cabinet emergency shutdown, converter cabinet emergency shutdown etc.
The soft and hardware type selecting of the utility model control system has following performance characteristics:
1, hardware performance is reliable and stable
Wind power generating set runs under the more abominable condition of environment more, and unmanned, and this has just proposed higher requirement to the automatical control system of wind power generating set.The selected electric elements of this control system have the life-span long, volume is little, shockproof properties is high, the characteristics of reliable and stable, high temperature resistant/low temperature, has satisfied the requirement of the on-the-spot running environment of wind power generating set automatical control system.
2, software is convenient, flexible
The utility model has been selected the CPU processor of Siemens S7-300 programmable controller as automatical control system.
S7-300 is modular small PLC system, but can satisfy the requirement of medium-performance, mainly has following characteristics:
(1) control flexibly;
(2) the CPU processing rate is fast;
When (3) control task increased, the module expansion was convenient, flexible;
(4) can carry out communication with various communication modules.
3, man-machine interface
(1) state of the service data of energy real time inspection and storage wind-powered electricity generation unit, historical data, input/output signal;
(2) can by the interface to unit safeguard, parameter modification, can carry out alarm indication and shielding to every fault;
(3) serviceability of button shows by color, can find out easily whether certain button is set;
(4) have the digital output test function, make things convenient for debugging and the maintenance of unit.
4, safe
The hardware security protection design of wind power generating set is according to losing efficacy-safe principle design, and when control system lost efficacy, for guaranteeing the safety of wind power generating set, the afterbody protective measure adopted the theft-resistant link chain mechanical protection.May cause the malfunctioning node of mortal injury to be connected into a loop to wind power generating set, as long as one of them action, theft-resistant link chain namely moves, and causes the emergency shutdown reaction.The signal that serial connection enters theft-resistant link chain comprises: generator is overrun, lower velocity shaft is overrun, the cabin vibrates, control cabinet emergency shutdown button, frequency variator emergency shutdown button, CPU processor house dog etc.
Claims (5)
1. the control system of a vertical axis aerogenerator group, it is characterized in that: described control system comprises CPU processor, high-speed pulse counting module, analog input module, digital quantity input module, digital output module and thermal module; Described high-speed pulse counting module, analog input module, digital quantity input module, digital output module, thermal module and CPU processor carry out communication; Described control system also comprises the theft-resistant link chain loop that is comprised of each malfunctioning node of wind power generating set; Described CPU processor is communicated by letter with man-machine interface by the communication interface of self, turns the RS485 communication module by DP and communicates by letter with current transformer; Obtain three-phase voltage, three phase circuit, mains frequency, power factor, active power, Active Generation total amount, the reactive power generation total amount of described wind power generating set by electric quantity acquisition module; Described CPU processor communicates by EPA redundant looped network and central control room; Described high speed counting module Bian collection high-speed pulse signal; Described analog input module gathers analog signals; Described digital quantity input module gathers the switching value digital signal; Described digital output module output switch amount control signal; Described thermal module collecting temperature signal.
2. the control system of vertical axis aerogenerator group according to claim 1 is characterized in that: the signal of described high-speed pulse counting module collection is the high-speed pulse signal of high speed shaft speed probe, lower velocity shaft speed probe, generator speed sensor, air velocity transducer output.
3. the control system of vertical axis aerogenerator group according to claim 1 is characterized in that: described analog input module gathers analog signals by gear box lubricating oil inlet pressure transducer, lubricating pump outlet pressure sensor, current transformer environment temperature sensor, current transformer ambient humidity sensor, vibration acceleration sensor, cabin charge oil pressure sensor.
4. the control system of vertical axis aerogenerator group according to claim 1 is characterized in that: described thermal module is by the main bearing temperature transducer, cabin gear-box oil sump temperature transducer, cabin gear box lubricating oil inlet temperature sensor, temperature transducer in the engine room control cabinet, environment temperature sensor, the network transformer temperature transducer, machine room front end temperature transducer, machine room rear end temperature transducer, the building environment temperature transducer, column foot gear-box oil sump temperature transducer, column foot gear box lubricating oil inlet temperature sensor, the high speed shaft of gearbox temperature transducer, generator DE step bearing temperature transducer, generator NDE step bearing temperature transducer, the Generator Slip Ring temperature transducer, generator U phase winding temperature transducer, generator V phase winding temperature transducer, generator W phase winding temperature transducer, generator cooler exhaust outlet temperature transducer, column foot control cabinet temperature transducer comes the collecting temperature signal.
5. the control system of vertical axis aerogenerator group according to claim 1 is characterized in that: the temperature signal of the unit that described CPU processor gathers according to pressure and the described thermal module of hydraulic system, the start and stop of control actuator.
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