Measuring Method and Error Compensation for Amplitude-Frequency Characteristics of Electromagnetic Voltage Transformer-Reference-Cited by-同舟云学术

Measuring Method and Error Compensation for Amplitude-Frequency Characteristics of Electromagnetic Voltage Transformer

Published:2014-05 Issue: Volume:933 Page:566-571
ISSN:1662-8985
Container-title:Advanced Materials Research
language:
Short-container-title:AMR

Author:

Xiong Cai Jun¹,Gao Cui Yun¹,Chen Jie¹,Ding Yi²,Chen Shao Yi²,Zhang Guang Wen²

Affiliation:

1. Anhui Jianzhu University

2. Hefei Rongshida Sanyo Electric Co.,Ltd

Abstract

The amplitude-frequency characteristics of voltage transformer need to be measured accurately when the electrical parameters of inverter module are detected. Using frequency method to measure one electromagnetic voltage transformer entirely, the amplitude-frequency characteristics with waveform distortion and phase delay were tested and analyzed by FFT on some typical frequencies. Amplitude-frequency transfer errors were compensated by nonlinear fitting method mainly on 50Hz, 15kHz , 20kHz segment. One order and two order curve fitting of the least squares function called lsqcurvefit were simulated in the environment of MATLAB, the results proved that the two order curve fitting function has a better compensation effect.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Link

https://www.scientific.net/AMR.933.566.pdf

Reference12 articles.

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