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Transformer verification system and verification method

A transformer calibration and transformer technology, which is applied in the transformer calibration system and calibration field, can solve the problems of low work efficiency, more manual wiring, and error-prone, and achieve less manual wiring, strong flexibility, and no mechanical glitch effect

Active Publication Date: 2020-12-11
INNER MONGOLIA POWER GRP
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The purpose of the present invention is to provide a transformer calibration system and calibration method to solve the problems of low working efficiency, many and complicated manual wiring, and error-prone problems in the current transformer calibration device and method.

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  • Transformer verification system and verification method
  • Transformer verification system and verification method
  • Transformer verification system and verification method

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Embodiment Construction

[0039] The present invention will be further described below in conjunction with specific embodiments. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0040] Such as figure 1 As shown, the embodiment of the present invention provides a transformer calibration system, which is used for error calibration, impedance and admittance measurement of voltage transformers and current transformers. The transformer calibration system includes: a control cabinet, a self-boost standard voltage transformer, a current transformer detection platform, a two-dimensional code generating device, a code scanning gun, a PC and a printer, wherein the two-dimensional code generating device, the scanning The code gun and the printer are all communicated with the PC.

[0041] The self-boost standard voltage transformer adopts the integrated structure of meter and source, w...

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Abstract

The invention discloses a transformer verification system and a verification method. The verification system comprises a control cabinet, a self-boosting standard voltage transformer, a current transformer detection table, a two-dimensional code generation device, a code scanning gun and a PC. The control cabinet comprises a program-controlled voltage load box, a program-controlled current load box, a program-controlled transformer calibrator, a linear program-controlled electronic power supply and a control cabinet communication system. A current booster, a standard current transformer and acurrent transformer detection communication system are arranged in the current transformer detection table. A plurality of current transformers can be connected to the current transformer detection table. Error verification of the voltage transformers and the current transformers can be realized, full-automatic simultaneous error verification of multiple current transformers can be completed at the same time under the condition of one-time wiring of only one set of device, the verification efficiency is greatly improved, and manual wiring is less and simple.

Description

technical field [0001] The invention relates to the technical field of transformer performance testing, in particular to a transformer calibration system and calibration method. Background technique [0002] The transformer plays the role of high-voltage isolation and voltage and current transformation according to the ratio, and is used to provide voltage and current 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 the transformer play a vital role in the safe operation of the power system and marketing measurement. The national verification regulations JJG313-2010 "Current Transformer for Measurement" and JJG314-2010 "Voltage Transformer for Measurement" clearly stipulate that each transformer for measuremen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R35/02
CPCG01R35/02
Inventor 王桐
Owner INNER MONGOLIA POWER GRP
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