The reliability of the gas-filled 110 – 750 kV circuit breaker units of substations

The reliability of the gas-filled 110 – 750 kV circuit breaker units of substations

Statistical data on the operating reliability of 110 – 750 kV gas-filled circuit breaker units in the substations of the unified national electric power grid are analyzed. The structure of outages and planned downtimes of the elements of the units, namely, the circuit breaker and its actuator, the e...

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Veröffentlicht in:Power technology and engineering 2011-07, Vol.45 (2), p.151-154
Hauptverfasser: Dementyev, Yu. A., Misrikhanov, M. Sh, Stolyarov, E. I., Abdurakhmanov, A. M., Fedorov, V. E., Shuntov, A. V.
Format: Artikel
Sprache:eng
Schlagworte:
Actuators
Circuit breakers
Downtime
Electric power generation
Electrical Machines and Networks
Energy
Energy Systems
Foundations
Geoengineering
Hydraulics
Outages
Power Electronics
Proposals
Renewable and Green Energy
Substations
Voltage transformers
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Zusammenfassung:Statistical data on the operating reliability of 110 – 750 kV gas-filled circuit breaker units in the substations of the unified national electric power grid are analyzed. The structure of outages and planned downtimes of the elements of the units, namely, the circuit breaker and its actuator, the equipment of the unit (the current and voltage transformers, the disconnectors etc.), buses and secondary circuits, are presented. Proposals for increasing the reliability of distributors are substantiated.
ISSN:1570-145X
1570-1468
DOI:10.1007/s10749-011-0240-6