Recognition of Weak Harmonic Signal Components in Generator Protection Against Single-Phase Earth Fault
- Authors: Antonov V.I.1, Naumov V.A.1, Soldatov A.V.1, Ivanov N.G.1, Mitin D.A.1
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Affiliations:
- NPP ÉKRA JSC, I. N. Ulyanov Chuvash State University
- Issue: Vol 52, No 2 (2018)
- Pages: 231-234
- Section: Article
- URL: https://journals.rcsi.science/1570-145X/article/view/246154
- DOI: https://doi.org/10.1007/s10749-018-0937-x
- ID: 246154
Cite item
Abstract
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.
About the authors
V. I. Antonov
NPP ÉKRA JSC, I. N. Ulyanov Chuvash State University
Author for correspondence.
Email: antonov_vi@ekra.ru
Russian Federation, Cheboksary
V. A. Naumov
NPP ÉKRA JSC, I. N. Ulyanov Chuvash State University
Email: antonov_vi@ekra.ru
Russian Federation, Cheboksary
A. V. Soldatov
NPP ÉKRA JSC, I. N. Ulyanov Chuvash State University
Email: antonov_vi@ekra.ru
Russian Federation, Cheboksary
N. G. Ivanov
NPP ÉKRA JSC, I. N. Ulyanov Chuvash State University
Email: antonov_vi@ekra.ru
Russian Federation, Cheboksary
D. A. Mitin
NPP ÉKRA JSC, I. N. Ulyanov Chuvash State University
Email: antonov_vi@ekra.ru
Russian Federation, Cheboksary