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Function and performance testing method of low-voltage complete reactive power compensation device

A compensation device and power compensation technology, applied in the direction of measurement device, measurement of electricity, measurement of electric variables, etc., can solve the problems of uneven product function and performance, prone to failure, and harsh working environment.

Inactive Publication Date: 2013-06-12
ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, there are many types of low-voltage reactive power compensation devices suitable for distribution networks in the existing market, and the functions and performances of the products are uneven. Fault

Method used

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  • Function and performance testing method of low-voltage complete reactive power compensation device
  • Function and performance testing method of low-voltage complete reactive power compensation device
  • Function and performance testing method of low-voltage complete reactive power compensation device

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Embodiment Construction

[0038] figure 1 , figure 2 The schematic diagrams of the laboratory detection and the actual line detection analog circuit wiring of the application of the detection method of the present invention are shown respectively, and the functions of each module are as follows:

[0039] Server 1: Used to control the standard source of reactive signal generation and collect signals sent by the line signal acquisition module and the switching signal acquisition module of the device under test, complete command issuance, data acquisition, information storage, data processing and Analysis, automatic report generation, etc.

[0040] Network switch 2: Provide a network access method for the communication between the switching signal acquisition module of the low-voltage complete reactive power compensation device under test, the reactive signal generation standard source, the line signal acquisition module and the server.

[0041] Line signal acquisition module 3: used to collect current...

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Abstract

The invention discloses a function and performance testing method of a low-voltage complete reactive power compensation device, and the method tests the functions and performance of the low-voltage complete reactive power compensation device by simulating various characteristic waveforms of a distribution line according to different control parameters of the low-voltage complete reactive power compensation device; the method comprises a function testing part and a performance testing part, wherein the function testing part comprises a switching function test, an over-voltage protection function test, a decompression protection function test, a harmonic wave protection function test and an open-phase protection function test; and the performance testing part comprises a zero-crossing switching function test, a sampling precision test and an input dynamic response characteristic test. The testing method can be used for the networking testing, delivery testing, daily operation and maintenance testing and the like of the low-voltage complete reactive power compensation device, so as to ensure the economical and stable operation of a power distribution network.

Description

technical field [0001] The invention belongs to the field of electric power distribution automation systems, and in particular relates to a function and performance detection method of a low-voltage complete reactive power compensation device. Background technique [0002] Maintaining the balance of reactive power in the power system is a necessary condition for ensuring power quality, voltage quality, reducing power grid loss, and safe and stable operation of the power system. Reactive power compensation is an important measure to achieve reactive power balance in the power grid. Reactive power compensation devices have the functions of improving user power factor, increasing load capacity of power grid, reducing line loss, stabilizing system voltage level and improving power quality, and are widely used in power systems. [0003] However, there are many types of low-voltage reactive power compensation devices suitable for distribution networks in the existing market, and t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00
Inventor 李克文吴丽芳李珊俞小勇吴智丁张大力高立克祝文姬吴剑豪
Owner ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD
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