CN204089727U - High aititude photovoltaic plant electric network fault simulated testing system mobile detection apparatus - Google Patents
High aititude photovoltaic plant electric network fault simulated testing system mobile detection apparatus Download PDFInfo
- Publication number
- CN204089727U CN204089727U CN201420354133.4U CN201420354133U CN204089727U CN 204089727 U CN204089727 U CN 204089727U CN 201420354133 U CN201420354133 U CN 201420354133U CN 204089727 U CN204089727 U CN 204089727U
- Authority
- CN
- China
- Prior art keywords
- car
- reactor
- order
- access
- photovoltaic plant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 75
- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 238000013461 design Methods 0.000 claims abstract description 10
- 239000012141 concentrate Substances 0.000 claims abstract description 4
- 238000004088 simulation Methods 0.000 claims description 17
- 238000009826 distribution Methods 0.000 claims description 12
- 238000005286 illumination Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 9
- 239000000779 smoke Substances 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 4
- 239000012212 insulator Substances 0.000 claims description 3
- 230000001012 protector Effects 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model relates to a kind of High aititude photovoltaic plant electric network fault simulated testing system mobile detection apparatus, this cover checkout equipment adopts the structure of vehicle-mounted container, highly integrated design is adopted to concentrate in 3 containers, be respectively switch cubicle car, 35kV reactor car and 10kV reactor car, container is standard size, meet transport restrictions requirement, have a set of collection car controlling to carry the control system of the whole equipment of overall control in addition.This equipment can carry out the detection of low voltage crossing detectability to photovoltaic plant, can assist simultaneously and carry out the test of wind-powered electricity generation low voltage crossing, can complete the switching of wind-powered electricity generation and photovoltaic two kinds of different control system, wide coverage, strong adaptability.
Description
Technical field
The movable type that the utility model relates to photo-voltaic power generation station electric network fault analogue system detects, and particularly relates to a kind of High aititude photovoltaic plant electric network fault simulated testing system mobile detection apparatus.
Background technology
In recent years, China supports to develop new energy technology energetically, along with the quick increase of solar energy power generating installation ratio, the same with wind turbine generator, the big-and-middle-sized photovoltaic plant serviceability when electrical network generation transient fault of electric power system to access electrical network proposes requirement, and State Grid Corporation of China's " photovoltaic plant access electric power network technique regulation " explicitly calls for big-and-middle-sized photovoltaic plant to possess low voltage ride-through capability.
Along with constantly carrying out of grid-connected detection experiment, the grid-connected checkout equipment being applicable to high altitude localities is at present based on power electronic equipment, by the control to power electric component, change the amplitude of output voltage, the malfunction of simulating grid voltage, according to the physical cabling mode in each power station, select the different modes of connection, testing equipment used is serially connected between the inverter in power station and main bus bar, by the control to power electronic equipment, tested inverter is tested.
Power electronic element, due to the characteristic of itself, will produce harmonic wave, cannot the actual genuine property embodying electrical network; Electric network fault will produce fault current in addition, and based on the checkout equipment constructed by power electronic equipment cannot really simulating grid fault time time of day.
At present in the domestic electric network fault simulation test for high altitude localities large-scale grid connection photovoltaic plant, be that the development that principle carries out the checkout equipment of design and manufaction is also in Rudimental stage at present based on impedance dividing potential drop, before this complete equipment, also there is no the research of association area.
In view of this, the utility model provides a kind of High aititude photovoltaic plant electric network fault simulated testing system mobile detection apparatus, to meet practical application needs.
Summary of the invention
The technical problems to be solved in the utility model is: in order to state during better simulating grid fault, the most real grid failure state is carried out real-time simulation, Design and manufacture is capital equipment based on reactor system, the structure of system is carried out by reactor impedance voltage divider principle, thus embody grid failure state more really, the grid failure state different to the real-time control simulation of electric network fault analogue system, thus can more real inverter be tested, make inverter more can adapt to the different conditions of electrical network, ensure that power grid security is with stable.
The technical scheme that the utility model adopts is: a kind of High aititude photovoltaic plant electric network fault simulated testing system mobile detection apparatus, this cover checkout equipment adopts the structure of vehicle-mounted container, highly integrated design is adopted to concentrate in 3 containers, be respectively switch cubicle car, 35kV reactor car and 10kV reactor car, container is standard size, meet transport restrictions requirement, have a set of collection car controlling to carry the control system of the whole equipment of overall control in addition, it is characterized in that:
Switch cubicle car is externally externally connected by 15 35kV cables, wherein: 3 inlet interface, connects photovoltaic plant net side; 3 outlet interface, access equipment under test; 9 access 35kV cables are connected with reactor car: 3 35kV cables access reactor car current-limiting reactor interface; 3 35kV cable access reactor car short-circuit reactance interfaces; 3 35kV cable access reactor car test point interfaces; Switch cubicle car reserves zero line and interface of the ground wire, for fall-down test and grounding connection over the ground;
Between switch cubicle car and reactor car, secondary is electrically connected, and comprising: 2 32 core air plug cables A, B, in order to control shunting switch signal, 24V power supply and humiture communication; 14 core air plug cable C, in order to give reactor car auxiliary power supply;
Secondary between switch cubicle car and collection car controlling is electrically connected, and comprising: 1 32 core air plug cable D, in order to control cubicle indicator light, switching signal and communication; 14 core air plug cable E, in order to give collection car controlling auxiliary power supply; 16 core air plug cable F and 16 core air plug cable G, in order to CT and PT Signal transmissions; 4 core secondary power supply air plugs, in order to from access substation secondary power supply, provide total secondary power supply to system; The car controlling of 1 netting twine access set, in order to collect the control operation of car controlling to fault simulation system.
High aititude photovoltaic plant electric network fault simulated testing system mobile detection apparatus as above, it is characterized in that, the inner capital equipment of switch cubicle car is as follows: (1) 7 switch cubicle, comprise CB1 ~ CB4 totally 4 circuit breakers become with relevant PT group, the built-in comprehensive protector of circuit breaker, when testing in order to Voltage Drop, current limiting reactor and short-circuit reactance device drop into and cut out; (2) 4 contactors, comprise K1 ~ K4 contactor, fall mode automatically switch in order to different short circuit; (3) 1 control cubicles, in order to a whole set of fault simulation system Comprehensive Control with communicate; (4) 1 cable drums, in order to automatic deploying and retracting test cable; (5) 1 distribution boxs, in order to the whole secondary power distribution of a whole set of fault simulation system; (6) 15 T-shaped head interfaces, comprising: 3 phase inlet interface, in order to connect photovoltaic plant; 3 phase outlet interface: access equipment under test; 3 phase access reactor car current-limiting reactor interfaces; 3 phase access reactor car short-circuit reactance interfaces; 3 phase access reactor car test point interfaces; Zero line and interface of the ground wire; (7) relevant auxiliary equipment, comprising: illumination: front lit, back lighting, emergency light illumination; Heater: totally 4 heaters; Fan: forefan, aft-fan; Temperature and Humidity instrument, smoke alarm.
High aititude photovoltaic plant electric network fault simulated testing system mobile detection apparatus as above, is characterized in that, the inner capital equipment of 35kV reactor car is as follows: (1) reactor, comprising: 3 480mH reactors, 3 200mH reactors; (2) associated feet, post insulator and permanent plant; (3) 3 lightning arresters; (4) 6 infrared radiation detection apparatus, in order to 6 reactor temperature in inspection vehicle, temperature value by communications to man-machine interface; (5) shunting switch, specially for the shunting switch of this fault simulation system Project design, is merged by three shunting switchs and is formed by connecting; (6) fixed support that shunting switch is supporting; (7) cable drum, in order to automatic deploying and retracting test cable; (8) distribution box, in order to the secondary secondary distribution of reactor car; (9) 9 T-shaped head interfaces, comprising: 3 phase access reactor car current-limiting reactor interfaces, 3 phase access reactor car short-circuit reactance interfaces, 3 phase access reactor car test point interfaces; (10) relevant auxiliary equipment, comprising: illumination: front lit, back lighting, emergency light illumination; Heater: totally 4 heaters; Fan: forefan, aft-fan; Temperature and Humidity instrument, smoke alarm, defence locking device.
High aititude photovoltaic plant electric network fault simulated testing system mobile detection apparatus as above, it is characterized in that, the inner capital equipment of 10kV reactor car is identical with the internal unit of 35kV reactor car, difference is, the reactor of 10kV reactor car inside, comprising: 3 75mH reactors, 3 30mH reactors.
The beneficial effects of the utility model are: technical characteristics of the present utility model and technological improvement are embodied in:
1. structure is optimized, and this system, mainly for the geography of high altitude localities and environmental quality, is structurally optimized, adopt the experimental enviroment of sealed type, all open type parts all install sealing strip additional, and sealing ring seals, strengthen environmental suitability, decrease the impact of environment on test.
2. mode of connection optimization, shrinkage steel plate is adopted to be fixed, the internal electrical cable of equipment and external connection line are fixed by shrinkage fixation steel plate, unified wiring, unified installation, optimize the wire structures of equipment, the circuit avoided cross interconnected, decrease cable and connect and cause wiring error thus accidents caused probability because of intricate.Decrease the wiring workload of testing crew, thus improve operating efficiency.
3. strengthen the anti-insulating capacity of equipment, because this portable checkout equipment is mainly used in high altitude localities, its insulation level is made strict assessment, the portable checkout equipment of this cover is by on-the-spot actual detection, further reinforcement has been carried out to the insulation property of equipment, insulating wrapped is carried out to each tie point, enhances the insulating capacity of equipment.At reactor, each shunting tap place installs lightning arrester additional, in limited space, adjusts position, installs lightning arrester additional, makes mobile detection apparatus have more reliable defencive function.
Accompanying drawing explanation
Fig. 1 is the utility model High aititude photovoltaic plant electric network fault simulated testing system mobile detection apparatus Cleaning Principle figure.
Fig. 2 is switch cubicle car internal layout.
Fig. 3 is 35kV reactor car and 10kv reactor car internal layout.
Fig. 4 is that fault simulation system is external once, secondary electrical connection.
Embodiment
In order to understand the utility model better, illustrate content of the present utility model further below in conjunction with embodiment, but content of the present utility model is not only confined to the following examples.Those skilled in the art can make various changes or modifications the utility model, and these equivalent form of values are equally within claims limited range listed by the application.
High altitude localities of the present utility model combining inverter electric network fault analogue system mobile detection apparatus, be applied to the mobility detect of less than the 4000 meters big-and-middle-sized photovoltaic plants of High aititude, meet the requirement of Large Copacity photovoltaic plant Site Detection, can simulating grid stable state time voltage disturbance, detect photovoltaic plant and adapt to the ability of electric network fault.
High altitude localities combining inverter electric network fault analogue system mobile detection apparatus principle topology as shown in Figure 1, be checkout equipment in dotted line frame, wherein CB1 is service entrance switch, and CB2 is by-pass switch, CB3 is short switch, and Xsr, Xsc are respectively current-limiting reactor and short-circuit reactance.
The tested photovoltaic plant of checkout equipment series connection access.When device is operated in bypass condition, CB1, CB2 are closed, and CB3 disconnects, photovoltaic cells normal power generation; When device is operated in trystate, disconnect CB2, current-limiting reactor Xsr is dropped into, then closed CB3, short-circuit reactance Xsc is dropped into, the voltage of test point B becomes the dividing potential drop of current-limiting reactor and short-circuit reactance, realizes analog voltage and falls, and falls the low voltage crossing characteristic checking tested photovoltaic cells by changing in B point different range.
This cover checkout equipment adopts the structure of vehicle-mounted container, and the complete sets of equipment adopt highly integrated design to concentrate in 3 containers, are respectively switch cubicle car, 35kV reactor car and 10kV reactor car.Container is standard size, meets transport restrictions requirement.A set of collection car controlling is had to carry the control system of the whole equipment of overall control in addition.
As shown in Figure 2, the inner capital equipment of switch cubicle car is as follows:
(1) 7 switch cubicle, comprise CB1 ~ CB4 totally 4 circuit breakers become with relevant PT group, the built-in comprehensive protector of circuit breaker, when testing in order to Voltage Drop, current limiting reactor and short-circuit reactance device drop into and cut out;
(2) 4 contactors, comprise K1 ~ K4 contactor, fall mode automatically switch in order to different short circuit;
(3) 1 control cubicles, in order to a whole set of fault simulation system Comprehensive Control with communicate;
(4) 1 cable drums, in order to automatic deploying and retracting test cable;
(5) 1 distribution boxs, in order to the whole secondary power distribution of a whole set of fault simulation system;
(6) 15 T-shaped head interfaces, comprising: 3 phase inlet interface, in order to connect photovoltaic plant; 3 phase outlet interface: access equipment under test; 3 phase access reactor car current-limiting reactor interfaces; 3 phase access reactor car short-circuit reactance interfaces; 3 phase access reactor car test point interfaces; Zero line and interface of the ground wire;
(7) relevant auxiliary equipment, comprising: illumination: front lit, back lighting, emergency light illumination; Heater: totally 4 heaters; Fan: forefan, aft-fan; Temperature and Humidity instrument, smoke alarm.
As shown in Figure 3, the inner capital equipment of 35kV reactor car is as follows:
(1) reactor, comprising: 3 480mH reactors, 3 200mH reactors;
(2) associated feet, post insulator and permanent plant;
(3) 3 lightning arresters;
(4) 6 infrared radiation detection apparatus, in order to 6 reactor temperature in inspection vehicle, temperature value by communications to man-machine interface;
(5) shunting switch, specially for the shunting switch of this fault simulation system Project design, is merged by three shunting switchs and is formed by connecting;
(6) fixed support that shunting switch is supporting;
(7) cable drum, in order to automatic deploying and retracting test cable;
(8) distribution box, in order to the secondary secondary distribution of reactor car;
(9) 9 T-shaped head interfaces, comprising: 3 phase access reactor car current-limiting reactor interfaces, 3 phase access reactor car short-circuit reactance interfaces, 3 phase access reactor car test point interfaces;
(10) relevant auxiliary equipment, comprising: illumination: front lit, back lighting, emergency light illumination; Heater: totally 4 heaters; Fan: forefan, aft-fan; Temperature and Humidity instrument, smoke alarm, defence locking device.
As shown in Figure 3, the inner capital equipment of 10kV reactor car is identical with the internal unit of 35kV reactor car, and difference is, the reactor of 10kV reactor car inside, comprising: 3 75mH reactors, 3 30mH reactors.
As shown in Figure 4, for fault simulation system is external once, secondary electrical connection.Once electrical connection is: switch cubicle car is externally externally connected by 15 35kV cables, wherein: 3 inlet interface, connects photovoltaic plant net side; 3 outlet interface, access equipment under test; 9 access 35kV cables are connected with reactor car: 3 35kV cables access reactor car current-limiting reactor interface; 3 35kV cable access reactor car short-circuit reactance interfaces; 3 35kV cable access reactor car test point interfaces.Switch cubicle car reserves zero line and interface of the ground wire, for fall-down test and grounding connection over the ground.
Secondary electrical connection is: between switch cubicle car and reactor car, secondary is electrically connected, and comprising: 2 32 core air plug cables A, B, in order to control shunting switch signal, 24V power supply and humiture communication; 14 core air plug cable C, in order to give reactor car auxiliary power supply.
Secondary between switch cubicle car and collection car controlling is electrically connected, and comprising: 1 32 core air plug cable D, in order to control cubicle indicator light, switching signal and communication; 14 core air plug cable E, in order to give collection car controlling auxiliary power supply; 16 core air plug cable F and 16 core air plug cable G, in order to CT and PT Signal transmissions; 4 core secondary power supply air plugs, in order to from access substation secondary power supply, provide total secondary power supply to system; The car controlling of 1 netting twine access set, in order to collect the control operation of car controlling to fault simulation system.
The feature of High aititude photovoltaic plant electric network fault simulated testing system mobile detection apparatus of the present utility model and the function that can realize have:
A, can complete portable low voltage crossing detect, test point totally 5, can 0%, 20%UN, 20%UN ~ 50%UN, 50%UN ~ 75%UN, 75%UN ~ 90%UN scope carries out Voltage Drop, and fall degree of depth step pitch and should control at 5%Un, Voltage Drop precision should control, at≤± 2%Un, to fall system side voltage influence lower than 5%Un.
B, this system adopt full-automatic design, possess procedure test function.Without the need to manually carrying out reactor wiring, when falling arbitrarily the degree of depth and carrying out low voltage crossing experiment, automatically realize reactor wiring by control inerface, the security reliability of strengthen test.
C, system should be able to realize three-phase symmetrical fall-down test, two-phase and alternately asymmetricly fall, under boosting becomes the condition of secondary into star ground connection, realize that single-phase earthing is asymmetric to be fallen.
D, system can carry out low voltage crossing detectability to photovoltaic plant, and can assist simultaneously and carry out the test of wind-powered electricity generation low voltage crossing, control inerface can complete the switching of wind-powered electricity generation and photovoltaic two kinds of different control system, wide coverage, strong adaptability.
E, system should meet 10kV, 35kV electric pressure, capacity in the testing requirement of more than 5MW photovoltaic plant.
The measuring resolution of f, system is high, meets low voltage crossing test request in GB/T 19964-2012 " photo-voltaic power generation station access power system technology specifies " and supporting detection code thereof.
G, structure are improved, strengthens the sealing of equipment, make portable checkout equipment can more adapt to harsh climate and environment, enhance the reliability service ability of equipment.
H, optimize the mode of connection, avoid the complexity of portable checkout equipment back panel wiring, decrease the interconnection of cable line, thus reduce the probability of mis-wired, thus improve the operational reliability of equipment.In addition, unified wiring, decreases workload, improves operating efficiency.
The anti-insulation property of the equipment of i, enhancing.Lightning arrester has all been installed additional in each tap place of portable checkout equipment inner member reactor; and insulating wrapped process has been carried out to each terminals; thus strengthen the insulating capacity of equipment, install reliable protection additional, the equipment that improves is stable, reliability service ability.
Operating procedure during concrete test is as follows:
Operating desk and control cubicle there are " debugging/test " knob, " start/stop " knob, " suddenly stopping " button, the combination of " debugging/test " knob is as shown in table 1, the combination of " start/stop " knob is as shown in table 2, and the combination of " suddenly stopping " button is as shown in table 3.
Table 1 " debugging/test " knob
Sequence number | Control cubicle | Operating desk | Corresponding function |
1 | Debugging | Debugging | Debugging |
2 | Debugging | Test | Test |
3 | Test | Debugging | Test |
4 | Test | Test | Test |
Table 2 " start/stop " knob
Sequence number | Control cubicle | Operating desk | Corresponding function |
1 | Stop | Stop | Stop |
2 | Stop | Start | Start |
3 | Start | Stop | Start |
4 | Start | Start | Start |
Table 3 " suddenly stops " button
Sequence number | Control cubicle | Operating desk | Corresponding function |
1 | Suddenly do not stop | Suddenly do not stop | Suddenly do not stop |
2 | Suddenly do not stop | Suddenly stop | Suddenly stop |
3 | Suddenly stop | Suddenly do not stop | Suddenly stop |
4 | Suddenly stop | Suddenly stop | Suddenly stop |
Debugging state: under debugging state, operator can control 4 circuit breakers deciliter, 4 contactors deciliter and the transferring the files of three shunting switchs, click " remote control conjunction " or " remote control divides ".
Shut down state: under shutting down state, all circuit breakers and contactor all can be in off-state.
Standing-by state: under standing-by state, arranges drop-out time, falls the degree of depth, falls mode, falls at every turn arranging of the degree of depth and need wait for that shunting switch is adjusted and put in place, otherwise shunting switch may be caused to block.If be seized in tapping switch gear-shifting process, then can enter shunting switch card state.
Test state: under test state, all operations are all automatically carry out, and do not need human intervention, except pressing " stopping " button.
Shunting switch card state: under shunting switch card state, needs hand-operated forced shunting switch to put in place, then presses " fault involution " button and can return standing-by state.
Fault case: under fault case, PLC can all circuit breakers of disjunction and contactor.
System experimentation is according to following flow process:
1) before inspection vehicle major loop is not energized, be introduced into debugging state, whether action is good for test both opens device, contactor and shunting switch, after being completed major loop energising, please not wanting and enters debugging state again;
2) after major loop powers on, system is in shutdown state, please check that whether the analog acquisition amount combining guarantor is normal;
3) all are normal, after entering standing-by state, arrange drop-out time, fall the degree of depth, fall mode, wait for that shunting switch regulates and put in place, after shunting switch adjustment puts in place, can click " test " button and start test.If stuck phenomenon appears in shunting switch, then hand-operated forced shunting switch puts in place, then clicks " fault involution " button;
4) single test can return standing-by state after automatically completing, and resets drop-out time, falls the degree of depth, falls mode, waits for that shunting switch regulates and puts in place, after shunting switch adjustment puts in place, can click " test " button and start to test again;
5), after all tests complete, under standing-by state, click " stopping " button, namely enter shutdown state.Confirm that circuit breaker all can disconnect main circuit power supply after separating brake;
6) after entering fault case in running, please failure cause be determine, " fault involution " button can be clicked after investigation and get back to shutdown state;
7) in other conditions (except debugging state), background interface still can to divide or remote control is closed in the remote control of operating breaker or contactor, but PLC can not respond.
Claims (4)
1. a High aititude photovoltaic plant electric network fault simulated testing system mobile detection apparatus, this cover checkout equipment adopts the structure of vehicle-mounted container, highly integrated design is adopted to concentrate in 3 containers, be respectively switch cubicle car, 35kV reactor car and 10kV reactor car, container is standard size, meet transport restrictions requirement, have a set of collection car controlling to carry the control system of the whole equipment of overall control in addition, it is characterized in that:
Switch cubicle car is externally externally connected by 15 35kV cables, wherein: 3 inlet interface, connects photovoltaic plant net side; 3 outlet interface, access equipment under test; 9 access 35kV cables are connected with reactor car: 3 35kV cables access reactor car current-limiting reactor interface; 3 35kV cable access reactor car short-circuit reactance interfaces; 3 35kV cable access reactor car test point interfaces; Switch cubicle car reserves zero line and interface of the ground wire, for fall-down test and grounding connection over the ground;
Between switch cubicle car and reactor car, secondary is electrically connected, and comprising: 2 32 core air plug cables A, B, in order to control shunting switch signal, 24V power supply and humiture communication; 14 core air plug cable C, in order to give reactor car auxiliary power supply;
Secondary between switch cubicle car and collection car controlling is electrically connected, and comprising: 1 32 core air plug cable D, in order to control cubicle indicator light, switching signal and communication; 14 core air plug cable E, in order to give collection car controlling auxiliary power supply; 16 core air plug cable F and 16 core air plug cable G, in order to CT and PT Signal transmissions; 4 core secondary power supply air plugs, in order to from access substation secondary power supply, provide total secondary power supply to system; The car controlling of 1 netting twine access set, in order to collect the control operation of car controlling to fault simulation system.
2. High aititude photovoltaic plant electric network fault simulated testing system mobile detection apparatus according to claim 1, it is characterized in that, the inner capital equipment of switch cubicle car is as follows: (1) 7 switch cubicle, comprise CB1 ~ CB4 totally 4 circuit breakers become with relevant PT group, the built-in comprehensive protector of circuit breaker, when testing in order to Voltage Drop, current limiting reactor and short-circuit reactance device drop into and cut out; (2) 4 contactors, comprise K1 ~ K4 contactor, fall mode automatically switch in order to different short circuit; (3) 1 control cubicles, in order to a whole set of fault simulation system Comprehensive Control with communicate; (4) 1 cable drums, in order to automatic deploying and retracting test cable; (5) 1 distribution boxs, in order to the whole secondary power distribution of a whole set of fault simulation system; (6) 15 T-shaped head interfaces, comprising: 3 phase inlet interface, in order to connect photovoltaic plant; 3 phase outlet interface: access equipment under test; 3 phase access reactor car current-limiting reactor interfaces; 3 phase access reactor car short-circuit reactance interfaces; 3 phase access reactor car test point interfaces; Zero line and interface of the ground wire; (7) relevant auxiliary equipment, comprising: illumination: front lit, back lighting, emergency light illumination; Heater: totally 4 heaters; Fan: forefan, aft-fan; Temperature and Humidity instrument, smoke alarm.
3. High aititude photovoltaic plant electric network fault simulated testing system mobile detection apparatus according to claim 1, it is characterized in that, the inner capital equipment of 35kV reactor car is as follows: (1) reactor, comprising: 3 480mH reactors, 3 200mH reactors; (2) associated feet, post insulator and permanent plant; (3) 3 lightning arresters; (4) 6 infrared radiation detection apparatus, in order to 6 reactor temperature in inspection vehicle, temperature value by communications to man-machine interface; (5) shunting switch, specially for the shunting switch of this fault simulation system Project design, is merged by three shunting switchs and is formed by connecting; (6) fixed support that shunting switch is supporting; (7) cable drum, in order to automatic deploying and retracting test cable; (8) distribution box, in order to the secondary secondary distribution of reactor car; (9) 9 T-shaped head interfaces, comprising: 3 phase access reactor car current-limiting reactor interfaces, 3 phase access reactor car short-circuit reactance interfaces, 3 phase access reactor car test point interfaces; (10) relevant auxiliary equipment, comprising: illumination: front lit, back lighting, emergency light illumination; Heater: totally 4 heaters; Fan: forefan, aft-fan; Temperature and Humidity instrument, smoke alarm, defence locking device.
4. High aititude photovoltaic plant electric network fault simulated testing system mobile detection apparatus according to claim 3, it is characterized in that, the inner capital equipment of 10kV reactor car is identical with the internal unit of 35kV reactor car, difference is, the reactor of 10kV reactor car inside, comprising: 3 75mH reactors, 3 30mH reactors.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420354133.4U CN204089727U (en) | 2014-06-30 | 2014-06-30 | High aititude photovoltaic plant electric network fault simulated testing system mobile detection apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420354133.4U CN204089727U (en) | 2014-06-30 | 2014-06-30 | High aititude photovoltaic plant electric network fault simulated testing system mobile detection apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204089727U true CN204089727U (en) | 2015-01-07 |
Family
ID=52182393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420354133.4U Expired - Lifetime CN204089727U (en) | 2014-06-30 | 2014-06-30 | High aititude photovoltaic plant electric network fault simulated testing system mobile detection apparatus |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN204089727U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104124916A (en) * | 2014-06-30 | 2014-10-29 | 国网青海省电力公司电力科学研究院 | Power grid fault simulation test system movement detection device for high-altitude photovoltaic power station |
CN105608252A (en) * | 2015-12-05 | 2016-05-25 | 青海电研科技有限责任公司 | Simulation method and apparatus for power grid fault simulation test |
CN105958457A (en) * | 2016-06-01 | 2016-09-21 | 国网河北省电力公司电力科学研究院 | Distributed overvoltage protection system for movable type photovoltaic power station low voltage ride-through testing apparatus |
CN106291356A (en) * | 2016-07-27 | 2017-01-04 | 山东大学 | A kind of Wind turbines grid-connected low voltage crossing far-end detecting system and method |
-
2014
- 2014-06-30 CN CN201420354133.4U patent/CN204089727U/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104124916A (en) * | 2014-06-30 | 2014-10-29 | 国网青海省电力公司电力科学研究院 | Power grid fault simulation test system movement detection device for high-altitude photovoltaic power station |
CN105608252A (en) * | 2015-12-05 | 2016-05-25 | 青海电研科技有限责任公司 | Simulation method and apparatus for power grid fault simulation test |
CN105608252B (en) * | 2015-12-05 | 2019-12-24 | 青海电研科技有限责任公司 | Simulation method and device for power grid fault simulation test |
CN105958457A (en) * | 2016-06-01 | 2016-09-21 | 国网河北省电力公司电力科学研究院 | Distributed overvoltage protection system for movable type photovoltaic power station low voltage ride-through testing apparatus |
CN105958457B (en) * | 2016-06-01 | 2018-07-20 | 国网河北省电力公司电力科学研究院 | A kind of movable type photovoltaic plant low voltage crossing experimental rig Distributed Overvoltage guard system |
CN106291356A (en) * | 2016-07-27 | 2017-01-04 | 山东大学 | A kind of Wind turbines grid-connected low voltage crossing far-end detecting system and method |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2015176687A1 (en) | Integrated high and low voltage ride through test system | |
CN104124916B (en) | High aititude photovoltaic plant electric network fault simulated testing system mobile detection apparatus | |
CN102208801B (en) | Operation method for safely applying line protection device to wind power station | |
CN104143834B (en) | A kind of photovoltaic plant low-voltage ride through detection system of high altitude localities | |
Artale et al. | Smart interface devices for distributed generation in smart grids: The case of islanding | |
CN102508157A (en) | Low-voltage ride-through testing system of wind generating set | |
CN103956777A (en) | Method for connecting photovoltaic generated electricity into power grid | |
CN204089727U (en) | High aititude photovoltaic plant electric network fault simulated testing system mobile detection apparatus | |
CN115051402A (en) | Method for carrying out grid-connected debugging on high-capacity wind driven generator through low-capacity energy storage equipment | |
CN110208630A (en) | A kind of power distribution network real model experiment platform | |
CN112305340B (en) | True type test platform of low-voltage power distribution Internet of things | |
CN202003012U (en) | Novel mobile modularized multi-functional MW-level low voltage ride-through capability detector | |
CN203644644U (en) | Intelligent outdoor AC (alternating-current) high-voltage vacuum boundary circuit breaker | |
KR101147347B1 (en) | Test Devices for Bi-Directional Coordination of New Energy SourcesPV Systems in Secondary Feeders | |
CN204089728U (en) | High aititude photovoltaic plant grid disturbance simulated testing system mobile detection apparatus | |
CN104184410B (en) | High aititude photovoltaic plant grid disturbance simulated testing system mobile detection apparatus | |
CN103675523A (en) | Large-scale photovoltaic power station low voltage ride through detection system suitable for high altitude regions | |
CN204144762U (en) | Combined intelligent transformer station | |
CN102981121B (en) | Wind turbine generator set mobile type low voltage crossing test unit theft-resistant link chain and implementation method | |
CN102426308B (en) | Low voltage ride-through testing method based on power grid voltage sag composite simulation structure | |
Zhang et al. | Analysis of technology and economy of new generation smart substation | |
CN203301016U (en) | Outdoor box type substation | |
CN110661488B (en) | Photovoltaic power generation low-voltage ride-through detection device compatible with double voltage levels | |
CN104749453A (en) | Method for reducing influences imposed on user voltage sag by external grid single-phase grounding fault | |
CN206947906U (en) | A kind of new energy cable connection-bridge frame |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20150107 |
|
CX01 | Expiry of patent term |