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Integrated test device and method for testing electrical performance of voltage transformer for distribution network

A technology for voltage transformers and electrical performance, which is applied in the field of integrated test devices for electrical performance testing of voltage transformers in distribution networks, can solve the problems of many manual operation links, low detection efficiency, complex processes, etc., to improve the level of scientific management, The effect of reducing floor space and reducing labor intensity

Inactive Publication Date: 2020-01-17
JIANGSU FRONTIER ELECTRIC TECH +1
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AI Technical Summary

Problems solved by technology

The completion of the electrical performance test of the voltage transformer for the distribution network has disadvantages such as a wide variety of testing equipment, separate equipment, complex processes, many manual operations, and low testing efficiency, which cannot meet the requirements for standardized, intelligent and convenient testing of the transformer for the distribution network.

Method used

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  • Integrated test device and method for testing electrical performance of voltage transformer for distribution network
  • Integrated test device and method for testing electrical performance of voltage transformer for distribution network
  • Integrated test device and method for testing electrical performance of voltage transformer for distribution network

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Embodiment Construction

[0024] The present invention is described in further detail now in conjunction with accompanying drawing.

[0025] By analyzing the electrical test method of distribution network voltage transformers and the composition of test equipment, optimizing and integrating various test equipment, an optimal test process is formed, and inventions such as figure 1 The integrated test device for the electrical performance test of the voltage transformer for distribution network shown includes a linear power supply 1, a test transformer 2, a coupling capacitor 3, a measurement impedance 4, a partial discharge tester, a program-controlled load box 5, a standard voltage transformer 6, Calibrators, contactors, voltmeters, ammeters, and acquisition modules. The contactors include KM40, KM41, KM42, KM43, and KM44. The specifications of the contactors are AC 220V. The number of contacts can be set according to requirements; the test transformer 2 and The standard voltage transformer 6 is integr...

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Abstract

The invention discloses an integrated test device and method for testing electrical performance of a voltage transformer for a distribution network, relates to the field of transformer performance test, and aims at solving the problems that electrical performance test for the voltage transformer for the distribution network in China cannot detect the transformer in a standard, intelligent and convenient way due to the defects that existing detection equipment are diversified and discrete, processes are complex, manual operation links are too much and the detection efficiency is low. Accordingto the integrated test device and method, only one set of equipment is used to complete test for key electrical performance of the voltage transformer, the test efficiency is high, the intelligent degree is high, and the test device and method are especially suitable for test of the voltage transformer of the distribution network.

Description

technical field [0001] The invention belongs to the technical field of voltage transformer performance tests, and in particular relates to an integrated test device and method for electrical performance tests of voltage transformers used in distribution networks. Background technique [0002] The voltage transformer for distribution network plays the role of high-voltage isolation and voltage transformation according to the ratio, and is used to provide voltage signals with an accurate proportional relationship with the primary circuit for electrical measurement, electric energy metering, and automation devices. At the same time, it is also used to provide signals and high-voltage isolation for instruments and relay protection, so the reliability, stability, and accuracy of voltage transformers for distribution networks play a vital role in the safe operation and marketing measurement of power systems. effect. [0003] Due to the low technical and capital thresholds of dist...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R35/02
CPCG01R35/02
Inventor 李军水为涟杨庆胜贾芳艳徐灿
Owner JIANGSU FRONTIER ELECTRIC TECH
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