The effect of the quality of the contact between the relay brush and the shaft of a generator on the operating capability of the protection of the rotor from shorts to ground are considered.
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A. K. Belotelov, S. A. Evdokimov, A. I. Leviush, G. G. Fokin and A. S. Khanakov, “Increasing the reliability of the grounding of turbogenerator shafts,” Élektr. Stantsii, No. 6 (2000).
V. G. Alekseev, S. A. Evdokimov and A. I. Leviush, “New grounding and monitoring devices for increasing the operating reliability of turbogenerator equipment,” Énergetik, No. 10 (2009).
W. Hofheinz, Protective Measures with Insulation Monitoring, VDE Verlag, No. 3 (2011).
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Translated from Élektricheskie Stantsii, No. 1, January 2013, pp. 34 – 36.
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Alekseev, V.G., Leviush, A.I., Belozor, A.N. et al. Failure of rotor protection due to unreliable contact of the relay brush and the shaft. Power Technol Eng 47, 146–148 (2013). https://doi.org/10.1007/s10749-013-0413-6
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DOI: https://doi.org/10.1007/s10749-013-0413-6