RECOGNITION OF WEAK HARMONIC SIGNAL COMPONENTS IN GENERATOR PROTECTION AGAINST SINGLE-PHASE EARTH FAULT

V. I. Antonov; V. A. Naumov; A. V. Soldatov; N. G. Ivanov; D. A. Mitin

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RECOGNITION OF WEAK HARMONIC SIGNAL COMPONENTS IN GENERATOR PROTECTION AGAINST SINGLE-PHASE EARTH FAULT

机译：单相接地故障发电机保护中弱谐波信号分量的识别

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For single-phase earth faults (SEF) in a generator network, the higher harmonic components are a good information base for relay protection of the generator against single-phase earth faults. Because of the low signal-to-noise ratio, they are not available for direct measurement. Anew method of active-adaptive recognition of similar signals is proposed. The results of testing a prototype of the generator protection device with an active-adaptive analog-to-digital converter (ADC) path confirm the high effectiveness of the proposed method.

机译：对于发电机网络中的单相接地故障（SEF），高次谐波分量是为发电机提供继电保护以防止单相接地故障的良好信息基础。由于信噪比低，因此无法直接测量。提出了一种主动自适应识别相似信号的新方法。用有源自适应模数转换器（ADC）路径测试发电机保护装置原型的结果证实了该方法的高有效性。

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来源
《Power technology and engineering》 |2018年第2期|231-234|共4页
作者
V. I. Antonov; V. A. Naumov; A. V. Soldatov; N. G. Ivanov; D. A. Mitin;
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作者单位

NPP ÉKRA JSC, I. N. Ulyanov Chuvash State University;

NPP ÉKRA JSC, I. N. Ulyanov Chuvash State University;

NPP ÉKRA JSC, I. N. Ulyanov Chuvash State University;

NPP ÉKRA JSC, I. N. Ulyanov Chuvash State University;

NPP ÉKRA JSC, I. N. Ulyanov Chuvash State University;

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原文格式 PDF
正文语种 eng
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关键词
active-adaptive method of signal recognition; analog-digital conversion; generator; relay protection;

机译：信号自适应自适应方法;数模转换;发电机;继电器保护;

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RECOGNITION OF WEAK HARMONIC SIGNAL COMPONENTS IN GENERATOR PROTECTION AGAINST SINGLE-PHASE EARTH FAULT

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