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EVS-EN 62146-1:2014

Grading capacitors for high-voltage alternating current circuit-breakers -- Part 1: General

Üldinfo
Kehtiv alates 01.04.2014
Alusdokumendid
IEC 62146-1:2013; EN 62146-1:2014
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Standardi ajalugu
Staatus
Kuupäev
Tüüp
Nimetus
06.12.2016
Muudatus
01.04.2014
Põhitekst
IEC 62146-1:2013 is applicable to grading capacitors used on circuit-breakers. Their function is to control the voltage distribution across the individual interrupter units of a multi-break circuit-breaker. Grading capacitors can also be used in parallel to the interrupter unit on single break circuit-breakers to modify the Transient Recovery Voltage (TRV). The grading capacitor is a sub-component for the circuit-breaker and shall be specified in accordance with the circuit-breaker specifications. This standard applies to grading capacitors falling into one or both of the following categories for: - mounting on air-insulated circuit-breakers; - mounting on enclosed circuit-breakers (for example immersed in SF6, in oil, etc.). The testing for each of the above applications is in some cases different. The object of this standard is: - to define uniform rules regarding performances, testing and rating; - to define specific safety rules; - to provide a guidance for installation and operation. Keywords: grading capacitors, circuit-breakers
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