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Recognition of Weak Harmonic Signal Components in Generator Protection Against Single-Phase Earth Fault

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

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.

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Recognition of Weak Harmonic Signal Components in Generator Protection Against Single-Phase Earth Fault

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

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.

Recognition of Weak Harmonic Signal Components in Generator Protection Against Single-Phase Earth Fault

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

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.

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Title:

Recognition of Weak Harmonic Signal Components in Generator Protection Against Single-Phase Earth Fault

Contributors:

Antonov, V. I. (author) / Naumov, V. A. (author) / Soldatov, A. V. (author) / Ivanov, N. G. (author) / Mitin, D. A. (author)

Published in:

Power Technology and Engineering ; 52 ; 231-234

Publication date:

2018-07-01

Size:

4 pages

ISSN:

1570-1468 , 1570-145X

DOI:

https://doi.org/10.1007/s10749-018-0937-x

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

active-adaptive method of signal recognition , analog-digital conversion , generator , relay protection Engineering , Energy Technology , Power Electronics, Electrical Machines and Networks , Renewable and Green Energy , Geoengineering, Foundations, Hydraulics

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