CN106199286B - Wind power plant dynamic reactive compensation device response speed test method - Google Patents
Wind power plant dynamic reactive compensation device response speed test method Download PDFInfo
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- CN106199286B CN106199286B CN201610692186.0A CN201610692186A CN106199286B CN 106199286 B CN106199286 B CN 106199286B CN 201610692186 A CN201610692186 A CN 201610692186A CN 106199286 B CN106199286 B CN 106199286B
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Abstract
The invention discloses a kind of wind power plant dynamic reactive compensation device response speed test method, it is of short duration to solve excitation surge current process of the existing technology, can generate very big even-order harmonic, the low problem of the accuracy of response speed test.The present invention simulates wind power plant secondary side voltage disturbance first, and dynamic reactive compensation device detection voltage disturbance is to export compensating reactive power；Secondly wind-powered electricity generation field voltage and idle relationship are modeled, converts offset voltage for the compensating reactive power of output, feeds back to dynamic reactive compensation device.This method has a wide range of application, and the overall process of energy real simulation wind power plant dynamic passive compensation speed responsive provides a kind of new wind power plant dynamic reactive compensation device response speed test method, is particularly suitable for wind power plant and uses.
Description
Technical field
The present invention relates to the method that a kind of pair of dynamic reactive compensation device carries out testing experiment, in particular to a kind of pair of wind-powered electricity generations
The method that the response speed of field dynamic reactive compensation device is tested.
Background technique
Wind power plant is incorporated in traditional power grid, it sometimes appear that wind power plant large area off-grid accident, analyzes its reason, sometimes
Since dynamic reactive compensation device fails quick response regulating system voltage to zone of reasonableness, cause to protect interlocking action tripping institute
It causes.Therefore, the response speed of wind power plant dynamic reactive compensation device is tested, to guarantee that it can normally play a role, is kept away
Exempt from the above accident to occur.Currently, carrying out test to the response speed of wind power plant dynamic reactive compensation device has following several method:
First method is: switching fixed capacitor group upset test method, this method application range is relatively narrow, for not configuring fixed capacity
The wind power plant of device group, this method can not be applied.Second method is: other dynamic reactive compensation device reactive power impact methods, the party
Method generates voltage disturbance using the idle power output for instantaneously changing other dynamic reactive compensation devices.For configuring unique dynamic nothing
The wind power plant of Reactive power compensation installations, this method can not equally be applied.The third method is: collection electric wire wind chassis type static exciter is gushed
Stream method, this method generate low-voltage using the process of closed set electric wire switching moments wind chassis type transformer excitation flow and disturb；
The disadvantage is that excitation surge current process is very of short duration, and can generate very big even-order harmonic, voltage distortion is serious, influences response speed examination
The accuracy tested；Meanwhile disconnecting collection electric wire and needing blowing-out machine, it will cause the waste of clean energy resource.
Summary of the invention
The present invention provides a kind of wind power plant dynamic reactive compensation device response speed test methods, solve the prior art
Existing excitation surge current process is of short duration, can generate very big even-order harmonic, the low technical problem of the accuracy of response speed test.
The present invention is to solve the above technical problem by the following technical programs:
A kind of wind power plant dynamic reactive compensation device response speed test method, comprising the following steps:
The first step is connected with dynamic reactive compensation device on wind power plant bus, by the voltage of dynamic reactive compensation device
Detection signal input part and the three-phase voltage output end of three-phase inversion module link together, by the input terminal of three-phase inversion module
It is connected on the DC voltage output end of single-phase rectifier module, the input terminal of single-phase rectifier module is connected on municipal power grid；
Industrial Control Computer is connected in the control terminal of three-phase inversion module, the communication output end of dynamic reactive compensation device and industry are controlled
Machine processed links together, and connects voltmeter between the three-phase voltage output end and Industrial Control Computer of three-phase inversion module；Three
Data logger is connected between the three-phase voltage output end of phases inversion module and the idle output end of dynamic reactive compensation device；?
In Industrial Control Computer, establish wind power plant bus voltage and it is idle between relational model；
Second step, three-phase inversion module receive the pwm signal of Industrial Control Computer output, carry out to the DC voltage after rectification
Inversion, inverter use the voltage source inverter based on PWM control technology, acquire three-phase symmetrical alternating voltage, obtain mould
Quasi- wind power plant bus disturbance voltage；
Third step, Industrial Control Computer receive the voltage signal of voltmeter, form closed loop feedback control, stablize three-phase inversion mould
The three-phase symmetrical alternating voltage of block output；
Disturbance voltage is arranged in 4th step on Industrial Control Computer, and dynamic reactive compensation device detects the disturbance voltage, goes forward side by side
Row reactive compensation；
5th step, Industrial Control Computer receive the instruction of the compensating reactive power of dynamic reactive compensation device, are established by the first step
Wind power plant bus voltage and idle relationship model, by the reactive command of dynamic reactive compensation device be converted into wind power plant mother
The voltage variety of line；The overall process of real simulation wind power plant dynamic passive compensation speed responsive；
6th step, output voltage and dynamic reactive compensation device according to the three-phase inversion module of data logger record
Idle data are exported, the voltage disturbance moment and dynamic reactive compensation device output in acquisition data logger stablize idle
At the time of 90%；
7th step compares at the time of idle 90% is stablized in the output of voltage disturbance moment and dynamic reactive compensation device
Compared with the response time of dynamic reactive compensation device being obtained, to obtain the response speed of the reactive power compensator.
The present invention simulates wind power plant secondary side voltage disturbance first, and dynamic reactive compensation device detects voltage disturbance to defeated
Compensating reactive power out；Secondly wind-powered electricity generation field voltage and idle relationship are modeled, converts compensation electricity for the compensating reactive power of output
Pressure, feeds back to dynamic reactive compensation device.This method has a wide range of application, can real simulation wind power plant dynamic passive compensation speed sound
The overall process answered provides a kind of new wind power plant dynamic reactive compensation device response speed test method.
The overall process of energy real simulation wind power plant dynamic passive compensation response of the present invention, it is dynamic to provide a kind of new wind power plant
State reactive power compensator response speed test method.
Detailed description of the invention
Fig. 1 is test circuit structure schematic diagram of the invention.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing:
A kind of wind power plant dynamic reactive compensation device response speed test method, specific implementation step are as follows:
The first step connects dynamic reactive compensation device 5 on wind power plant bus 7, by the voltage of dynamic reactive compensation device 5
Detection signal input part is connect with the three-phase voltage output end of three-phase inversion module 2, and the input terminal of three-phase inversion module 2 connects single
The DC voltage output end of commutating phase module 1, the input terminal of single-phase rectifier module 1 are connected with alternating current 8, three-phase inversion module 2
Industrial Control Computer 4 is connected in control terminal, the communication output end of dynamic reactive compensation device 5 is connect with Industrial Control Computer 4, three
Voltmeter 3 is connected between the three-phase voltage output end and Industrial Control Computer 4 of phases inversion module 2；In 2 three-phase of three-phase inversion module
Data logger 6 is connected between voltage output end and the idle output end of dynamic reactive compensation device 5；In Industrial Control Computer 4
In the voltage of wind power plant bus 7 is modeled with idle relationship；Single-phase rectifier module 1 rectifies alternating current 8, obtains direct current
Voltage；
Second step, three-phase inversion module 2 receive Industrial Control Computer 4 export pwm signal, to the DC voltage after rectification into
Row inversion, inverter use the voltage source inverter based on PWM control technology, acquire three-phase symmetrical alternating voltage, obtain
Simulate wind power plant bus disturbance voltage；
Step 3: Industrial Control Computer 4 receives the voltage signal of voltmeter 3, closed loop feedback control is formed, stablizes three-phase inversion
The three-phase symmetrical alternating voltage that module 2 exports；
Disturbance voltage is arranged in 4th step on Industrial Control Computer 4, and dynamic reactive compensation device 5 detects the disturbance voltage, and
Carry out reactive compensation；
5th step, Industrial Control Computer 4 receive the instruction of the compensating reactive power of dynamic reactive compensation device 5, are built by the first step
The voltage of vertical wind power plant bus 7 and the model of idle relationship, convert wind-powered electricity generation for the reactive command of dynamic reactive compensation device 5
The voltage variety of field bus 7；The overall process of step analog wind power plant dynamic passive compensation response；
The output voltage and dynamic reactive compensation device of 6th step, the three-phase inversion module 2 recorded according to data logger 6
Data that 5 output is idle, the voltage disturbance moment and dynamic reactive compensation device 5 obtained in data logger 6 export stable nothing
Function 90% at the time of；
7th step compares at the time of idle 90% is stablized in the output of voltage disturbance moment and dynamic reactive compensation device 5
Compared with the response time of dynamic reactive compensation device 5 being obtained, to judge the response speed of the reactive power compensator 5.
Claims (1)
1. a kind of wind power plant dynamic reactive compensation device response speed test method, comprising the following steps:
The first step is connected with dynamic reactive compensation device (5) on wind power plant bus (7), by dynamic reactive compensation device (5)
Voltage detection signal input terminal and the three-phase voltage output end of three-phase inversion module (2) link together, by three-phase inversion module
(2) input terminal is connected on the DC voltage output end of single-phase rectifier module (1), by the input terminal of single-phase rectifier module (1)
It is connected on municipal power grid (8)；Industrial Control Computer (4) are connected in the control terminal of three-phase inversion module (2), dynamic reactive is mended
The communication output end and Industrial Control Computer (4) for repaying device (5) link together, defeated in the three-phase voltage of three-phase inversion module (2)
Voltmeter (3) are connected between outlet and Industrial Control Computer (4)；In the three-phase voltage output end and dynamic of three-phase inversion module (2)
Data logger (6) are connected between the idle output end of reactive power compensator (5)；In Industrial Control Computer (4), wind power plant is established
The voltage of bus (7) and it is idle between relational model；
Second step, three-phase inversion module (2) receive Industrial Control Computer (4) output pwm signal, to the DC voltage after rectification into
Row inversion, inverter use the voltage source inverter based on PWM control technology, acquire three-phase symmetrical alternating voltage, obtain
Simulate wind power plant bus disturbance voltage；
Third step, Industrial Control Computer (4) receive the voltage signal of voltmeter (3), form closed loop feedback control, stablize three-phase inversion
The three-phase symmetrical alternating voltage of module (2) output；
Disturbance voltage is arranged in 4th step on Industrial Control Computer (4), and dynamic reactive compensation device (5) detects the disturbance voltage, and
Carry out reactive compensation；
5th step, Industrial Control Computer (4) receive the instruction of the compensating reactive power of dynamic reactive compensation device (5), are built by the first step
The voltage of vertical wind power plant bus (7) and the model of idle relationship, convert the reactive command of dynamic reactive compensation device (5) to
The voltage variety of wind power plant bus (7)；The overall process of real simulation wind power plant dynamic passive compensation speed responsive；
The output voltage and dynamic reactive compensation device of 6th step, the three-phase inversion module (2) recorded according to data logger (6)
(5) data that output is idle obtain the voltage disturbance moment in data logger (6) and dynamic reactive compensation device (5) output
At the time of stablizing idle 90%；
7th step compares at the time of idle 90% is stablized in voltage disturbance moment and dynamic reactive compensation device (5) output
Compared with the response time of dynamic reactive compensation device (5) being obtained, to obtain the response speed of dynamic reactive compensation device (5).
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| CN110266012A (en) * | 2019-05-29 | 2019-09-20 | 华电电力科学研究院有限公司 | A kind of photovoltaic plant dynamic reactive response time test method |
| CN112269087A (en) * | 2020-10-26 | 2021-01-26 | 国网河北省电力有限公司电力科学研究院 | High-low voltage ride through capability detection system of reactive power compensation device |
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| CN104050366A (en) * | 2014-06-13 | 2014-09-17 | 国家电网公司 | Dynamic reactive power compensation device response time test method |
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| JPH0698469A (en) * | 1992-09-17 | 1994-04-08 | Nissin Electric Co Ltd | Control system of voltage detection-type reactive-power compensation apparatus |
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| CN102981079A (en) * | 2012-11-29 | 2013-03-20 | 山西省电力公司电力科学研究院 | Response waveform detection device and method for straightly hanging type reactive power generation device |
| CN103033700A (en) * | 2012-11-29 | 2013-04-10 | 山西省电力公司电力科学研究院 | Detecting device of responding wave form of dynamic reactive power compensation equipment and detecting method of the same |
| CN103149486A (en) * | 2013-03-18 | 2013-06-12 | 广西电网公司电力科学研究院 | Function and performance testing method of low-voltage complete reactive power compensation device |
| CN103513133A (en) * | 2013-09-27 | 2014-01-15 | 马钢(集团)控股有限公司 | Device and method for measuring MCR type SVC device dynamic response time |
| CN103698623A (en) * | 2013-11-07 | 2014-04-02 | 国家电网公司 | Method for measuring the response time of dynamic reactive power compensation device under united time scale |
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