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Virtual load method-based generator rotor alternating current impedance tester calibration device

A technology of generator rotor and AC impedance, which is applied to measuring devices, instruments, measuring electrical variables, etc. The effect of low operation rate and small amount of manual labor

Inactive Publication Date: 2015-01-28
XINJIANG UYGUR AUTONOMOUS REGION INST OF MEASUREMENT & TESTING
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the process of realizing the present invention, the inventor found that there are at least defects in the prior art such as large amount of manual labor, high misoperation rate and difficult verification

Method used

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  • Virtual load method-based generator rotor alternating current impedance tester calibration device
  • Virtual load method-based generator rotor alternating current impedance tester calibration device
  • Virtual load method-based generator rotor alternating current impedance tester calibration device

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Embodiment Construction

[0021] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0022] In view of the above-mentioned technical problems existing in the prior art, according to the embodiment of the present invention, such as figure 1 and figure 2 As shown, a generator rotor AC impedance tester calibration device based on the virtual load method is provided, especially the calibration technology of the generator rotor AC impedance tester in power electronic equipment, specifically a generator rotor Calibration device for AC impedance tester. The generator rotor AC impedance tester calibration device based on the virtual load method can quickly and accurately calibrate and detect the AC impedance tester, meet the needs of calibration and detec...

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Abstract

The invention discloses a virtual load method-based generator rotor alternating current impedance tester calibration device. The virtual load method-based generator rotor alternating current impedance tester calibration device includes a first high-accuracy meter, a high-stability precise program-control source, a second high-accuracy meter, a digital display and man-machine interface module, a current output terminal which is connected with the first high-accuracy meter and the high-stability precise program-control source respectively, as well as a voltage output terminal which is connected with the high-stability precise program-control source and the second high-accuracy meter respectively. With the virtual load method-based generator rotor alternating current impedance tester calibration device of the invention adopted, defects of large manual workload, high misoperation rate and high calibration difficulty in the prior art can be eliminated. The virtual load method-based generator rotor alternating current impedance tester calibration device has the advantages of small manual workload, low misoperation rate and low calibration difficulty.

Description

technical field [0001] The invention relates to the technical field of detection of power electronic equipment, in particular to a calibration device for a generator rotor AC impedance tester based on a virtual load method. Background technique [0002] Generator rotor AC impedance tester is a comprehensive measuring instrument used to measure and analyze the AC impedance of generator and condenser rotor windings. Through the specially designed measurement circuit, the parameters of AC impedance, power, frequency and other parameters of rotor windings can be realized. Automatic measurement. In the calibration, verification and detection of AC impedance testing instruments, the detection of the measurement function of the transition process (including transition resistance and transition time) is the most important detection item. In recent years, with the development of science and technology, the integrated generator rotor AC impedance tester has appeared on the market, pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R35/00
Inventor 宋伟周玮李梅塔依尔·斯拉甫力雷民张军刘志强罗雪芳
Owner XINJIANG UYGUR AUTONOMOUS REGION INST OF MEASUREMENT & TESTING
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