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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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Titel:

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

Beteiligte:

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

Erschienen in:

Power Technology and Engineering ; 52

Erscheinungsdatum:

2018

ISSN:

DOI:

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

Medientyp:

Aufsatz (Zeitschrift)

Format:

Elektronische Ressource

Sprache:

Englisch

Schlagwörter:

relay protection , generator , active-adaptive method of signal recognition , analog-digital conversion

Klassifikation:

BKL: 56.30 Wasserbau / 56.30$jWasserbau

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