
SWITCHGEAR FOR USE ON 66 KV TO 132 KV DISTRIBUTION SYSTEMS (ALTERNATING CURRENT CIRCUIT-BREAKERS)
出版:Energy Networks Association (UK)

专家解读视频
Describes technical requirements for circuit- breakers rated at voltages within the range 72.5 kV to 145 kV and supersedes Electricity Networks Association Technical Specification, ENA TS 41-37 issue 1, 'Switchgear for use on 66,132 kV systems' and applies to alternating current circuit-breakers, designed for indoor or outdoor installation, cable or overhead conductor connected, and for operation at service frequency of 50 Hz on systems having voltages at 66 kV and up to and including 132 kV.