CN203224584U - Wind power farm static reactive compensation generator associated performance detection system - Google Patents
Wind power farm static reactive compensation generator associated performance detection system Download PDFInfo
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- CN203224584U CN203224584U CN 201320184646 CN201320184646U CN203224584U CN 203224584 U CN203224584 U CN 203224584U CN 201320184646 CN201320184646 CN 201320184646 CN 201320184646 U CN201320184646 U CN 201320184646U CN 203224584 U CN203224584 U CN 203224584U
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Abstract
The utility model discloses a wind power farm static reactive compensation generator associated performance detection system, for solving the problem that it is difficult to detect associated performance between wind power farms. The wind power farm static reactive compensation generator associated performance detection system comprises a voltage transformer (4), two reactive generators and a capacitive reactive compensator (11) which are respectively arranged on a 35kV bus (1), wherein an A phase of a secondary side of a low-voltage side current transformer (2) of a main transformer (3) of the wind power farm is electrically connected with a current input terminal of a first detection channel of a power quality on-line monitor (12), an A phase of a secondary side of a current transformer (5) of a first reactive generator is electrically connected with a current input terminal of a second detection channel of the power quality on-line monitor (12), an A phase of a secondary side of a current transformer (7) of a second reactive generator is electrically connected with an input terminal of a third detection channel of the power quality on-line monitor (12), so as to detect the associated performance level between the two sets of reactive generators.
Description
Technical field
The utility model relates to the detection system of related performance between the two cover state type reactive-load compensation generators that a kind of checking is applicable to wind energy turbine set.
Background technology
Insert the negative effect that network system is brought in order effectively to reduce wind energy turbine set, the simple wind power generating set of leaning on can not satisfy the needs that system voltage is regulated, and can solve the many harmful effects that bring behind the wind energy turbine set access electrical network and reacance generator is configured in wind energy turbine set.Because the reacance generator design concept is restricted its max cap., the separate unit generator can't satisfy the large-scale wind electricity field sometimes to the requirement of idle configuration, needs two covers even more reacance generator acting in conjunction could satisfy idle configuration requirement.And when two cover reacance generators move jointly, coordinate control if lack, cause system voltage out-of-limit thereby overcompensation may occur, perhaps idle cancelling out each other between two covering devices, to such an extent as to do not reach the purpose of control power factor, and then influence the stable operation of wind energy turbine set.So being badly in need of a kind of detection system can detect the related performance of two cover reacance generators.
Summary of the invention
The utility model provides a kind of wind energy turbine set state type reactive-load compensation generator related performance detecting system, is used for verifying related performance between the two cover reacance generators, has solved the problem that detects related performance difficulty between the wind energy turbine set.
The utility model is to solve above technical matters by the following technical programs:
The related performance detecting system of a kind of wind energy turbine set state type reactive-load compensation generator, comprise 35kV bus, wind energy turbine set main-transformer, quality of power supply on-line monitoring instrument, electricity is equipped with voltage transformer (VT), first reacance generator, second reacance generator and capacitive reactive power compensator respectively on the 35kV bus, between bus and capacitive reactive power compensator, be provided with the isolating switch summation current transformer, first reacance generator is provided with current transformer, on second reacance generator current transformer is installed.The secondary side A of the low-pressure side current transformer of main-transformer is electrically connected with current input terminal of quality of power supply on-line monitoring instrument first sense channel, the secondary side A of the first reacance generator current transformer is electrically connected with current input terminal of second sense channel of quality of power supply on-line monitoring instrument, the secondary side A of the second reacance generator current transformer is electrically connected with the input terminal of the 3rd sense channel of quality of power supply on-line monitoring instrument, and the secondary side A of the current transformer of capacitive reactive power compensator is electrically connected with current input terminal of quality of power supply on-line monitoring instrument the 4th sense channel.
With four voltage detecting passage input terminals parallel connection of quality of power supply on-line monitoring instrument, the voltage detecting passage input terminal of the quality of power supply on-line monitoring instrument after the secondary side A of the voltage transformer (VT) on the main-transformer and the parallel connection is electrically connected.
The idle disturbance that the switching of the big capacity capacitive reactive power of the utility model utilization compensator produces, can demonstrate two cover reacance generators reactive-load compensation real time status separately intuitively by quality of power supply on-line monitoring instrument, thereby detect the related performance level between the two cover reacance generators, it is true and reliable that the detection system gained detects data.
Description of drawings
Fig. 1 is the structural representation of testing circuit of the present utility model.
Embodiment
The related performance detecting system of a kind of wind energy turbine set state type reactive-load compensation generator, comprise 35kV bus 1, wind energy turbine set main-transformer 3, quality of power supply on-line monitoring instrument 12, electricity is equipped with voltage transformer (VT) 4, first reacance generator 6, second reacance generator 8 and capacitive reactive power compensator 11 respectively on bus 1, between bus 1 and capacitive reactive power compensator 11, be provided with isolating switch 10 summation current transformers 9, first reacance generator 6 is provided with on current transformer 5, the second reacance generators 8 current transformer 7 is installed.The secondary side A of the low-pressure side current transformer 2 of main-transformer 3 is electrically connected with current input terminal of quality of power supply on-line monitoring instrument 12 first sense channels, the secondary side A of the first reacance generator current transformer 5 is electrically connected with current input terminal of second sense channel of quality of power supply on-line monitoring instrument 12, the secondary side A of the second reacance generator current transformer 7 is electrically connected with the input terminal of the 3rd sense channel of quality of power supply on-line monitoring instrument 12, and the secondary side A of the current transformer 9 of capacitive reactive power compensator 11 is electrically connected with current input terminal of quality of power supply on-line monitoring instrument 12 the 4th sense channel.With four voltage detecting passage input terminals parallel connection of quality of power supply on-line monitoring instrument 12, the voltage detecting passage input terminal of the quality of power supply on-line monitoring instrument 12 after the secondary side A of main-transformer 3 voltage transformer (VT) 2 and the parallel connection is electrically connected.
The detection step of the related performance detecting system of a kind of wind energy turbine set state type reactive-load compensation generator comprises:
The first step, first reacance generator 6 are provided with on current transformer 5, the second reacance generators 8 current transformer 7 are installed.The secondary side A of the low-pressure side current transformer 2 of main-transformer 3 is electrically connected with current input terminal of quality of power supply on-line monitoring instrument 12 first sense channels, the secondary side A of the first reacance generator current transformer 5 is electrically connected with current input terminal of second sense channel of quality of power supply on-line monitoring instrument 12, the secondary side A of the second reacance generator current transformer 7 is electrically connected with the input terminal of the 3rd sense channel of quality of power supply on-line monitoring instrument 12, and the secondary side A of the current transformer 9 of capacitive reactive power compensator 11 is electrically connected with current input terminal of quality of power supply on-line monitoring instrument 12 the 4th sense channel.With four voltage detecting passage input terminals parallel connection of quality of power supply on-line monitoring instrument 12, the voltage detecting passage input terminal of the quality of power supply on-line monitoring instrument 12 after the secondary side A of main-transformer 3 voltage transformer (VT) 2 and the parallel connection is electrically connected.
Second step, check that wiring is errorless after, cut-off breaker 10, observe the idle data of main-transformer low-pressure side that show on the quality of power supply on-line monitoring instrument and whether be no more than 1 megavar, the compensating reactive power capacity of first reacance generator and second reacance generator differs and is no more than 0. 5 megavars, and idle polarity all is capacitive.If it is good to satisfy the relevance of above-mentioned requirements explanation two cover reacance generators when idle instantaneous a large amount of minimizing.
The 3rd step, close circuit breaker 10 are to connect capacitive reactive power compensator 11, observe the idle data of main-transformer low-pressure side that show on the quality of power supply on-line monitoring instrument and whether be no more than 1 megavar, whether the compensating reactive power capacity of first reacance generator and second reacance generator differs and is no more than 0. 5 megavars, and idle polarity all is that perception is idle.If it is good to satisfy the relevance of above-mentioned requirements explanation two cover reacance generators when idle instantaneous increase.
This device and method is based on conventional electric energy quality test instrument, and connection type is simple, and test result is intuitively accurate.
Claims (2)
1. the related performance detecting system of a wind energy turbine set state type reactive-load compensation generator, comprise 35kV bus (1), wind energy turbine set main-transformer (3), quality of power supply on-line monitoring instrument (12), it is characterized in that, be respectively arranged with voltage transformer (VT) (4) at 35kV bus (1), first reacance generator (6), second reacance generator (8) and capacitive reactive power compensator (11), between bus (1) and capacitive reactive power compensator (11), be provided with isolating switch (10) summation current transformer (9), first reacance generator (6) is provided with current transformer (5), second reacance generator (8) is provided with current transformer (7), the secondary side A of the low-pressure side current transformer (2) of wind energy turbine set main-transformer (3) is electrically connected with the current input terminal of first sense channel of quality of power supply on-line monitoring instrument (12), the secondary side A of the first reacance generator current transformer (5) is electrically connected with current input terminal of second sense channel of quality of power supply on-line monitoring instrument (12), the secondary side A of the second reacance generator current transformer (7) is electrically connected with the input terminal of the 3rd sense channel of quality of power supply on-line monitoring instrument (12), and the secondary side A of the current transformer (9) of capacitive reactive power compensator (11) is electrically connected with the current input terminal of the 4th sense channel of quality of power supply on-line monitoring instrument (12).
2. the related performance detecting system of a kind of wind energy turbine set state type reactive-load compensation generator according to claim 1, it is characterized in that, four voltage detecting passage input terminals of quality of power supply on-line monitoring instrument (12) are in parallel, and the secondary side A of the voltage transformer (VT) (2) on the wind energy turbine set main-transformer (3) links together with four voltage detecting passage input terminals of quality of power supply on-line monitoring instrument (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320184646 CN203224584U (en) | 2013-04-12 | 2013-04-12 | Wind power farm static reactive compensation generator associated performance detection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320184646 CN203224584U (en) | 2013-04-12 | 2013-04-12 | Wind power farm static reactive compensation generator associated performance detection system |
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| CN203224584U true CN203224584U (en) | 2013-10-02 |
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| CN 201320184646 Expired - Lifetime CN203224584U (en) | 2013-04-12 | 2013-04-12 | Wind power farm static reactive compensation generator associated performance detection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103558472A (en) * | 2013-11-07 | 2014-02-05 | 国家电网公司 | Method for detecting coordinated operation performance of dynamic reactive power compensation devices in same wind power plant |
-
2013
- 2013-04-12 CN CN 201320184646 patent/CN203224584U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103558472A (en) * | 2013-11-07 | 2014-02-05 | 国家电网公司 | Method for detecting coordinated operation performance of dynamic reactive power compensation devices in same wind power plant |
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Granted publication date: 20131002 |