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Performance testing system of large-capacity reactive power dynamic compensating device

A technology of dynamic compensation and testing system, applied in the field of power system, can solve problems such as difficulty in finding device quality problems, inability to test large-capacity reactive power dynamic compensation devices at full load, etc.

Active Publication Date: 2012-11-07
XINFENGGUANG ELECTRONICS TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] It is impossible to carry out a full load test and its performance on the large-capacity reactive power dynamic compensation device before leaving the factory.
[0017] Systematic testing, so it is difficult to find possible quality problems of the device, and it is also difficult to make the device in the field once

Method used

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  • Performance testing system of large-capacity reactive power dynamic compensating device

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Embodiment Construction

[0032] The embodiments of the present invention are described in detail below. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following implementation example.

[0033] Such as figure 1 As shown, the large-capacity reactive power dynamic compensation device performance test system of the present invention can realize the full-load test and performance test of the large-capacity reactive power dynamic compensation device in a small-capacity power grid. The test system includes:

[0034] High-voltage switchgear 1 with circuit breaker DL1, voltage transformer PT and current transformer CT1, externally connected to the power grid; large-capacity reactive power dynamic compensation device 2 to be tested, which connects circuit breaker DL2 and current transformer in series CT2;...

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Abstract

The invention discloses a performance testing system of a large-capacity reactive power dynamic compensating device, comprising a detected reactive power dynamic compensating device, wherein the performance of the dynamic compensating device is to be detected. The performance testing system is characterized by also comprising an electric energy quality analyzer, a high-voltage switch cabinet, an active load and an inactive load, wherein the active load is externally connected with a power grid by the high-voltage switch cabinet and is connected with the dynamic reactive power compensating device in parallel; and the inactive load provides adjustably capacitive or inductive reactive power having the property opposite to the property of the reactive power generated by the detected reactive power dynamic compensating device. The performance testing system has the beneficial effect that a full load test and a system performance test are carried out for the large-capacity reactive power dynamic compensating device by smaller-capacity power grids in factories or laboratories. The quality problem possibly existing in the device is easier to find to ensure that the device is successively put into operation once on the scene.

Description

technical field [0001] The invention relates to a system for testing the performance of a large-capacity reactive power dynamic compensation device in a small-capacity power grid, and belongs to the technical field of power systems. Background technique [0002] At present, in order to improve power quality, reduce line loss, and save energy and electricity, large-capacity reactive power dynamic compensation equipment [0003] More and more applications are placed in the transmission and distribution network of the power system. At present, large-capacity reactive power dynamic compensation equipment [0004] There are mainly static var compensation devices based on thyristor valves (SVC—static Var compensator) and [0005] Advanced Static Var Generator Based on Power Transistor (ASVG-Advanced Static Var Generator) [0006] It is also called a static condenser (STATCOM-Static Condenser), and their common characteristics are [0007] The reactive power capacity that can b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/00
Inventor 叶芃生凌志斌李瑞来胡顺全何洪臣
Owner XINFENGGUANG ELECTRONICS TECH CO LTD
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