Circuit Breaker

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SSEN to purge greenhouse gas from circuit breakers

Scottish and Southern Electricity Networks Transmission has declared its intention to phase out the greenhouse gas sulphur hexafluoride (SF₆) - used to insulate circuit breakers in substations - by replacing it with a climate-friendly alternative air...

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Testing substation circuit breakers safely

Damon Mount, UK and Southern Africa sales manager at Megger, discusses safety and accuracy when testing circuit breakers.

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Circuit breaker testing with OMICRON

Orlando de Leon, application sales engineer at OMICRON, explains the benefits and new method of testing circuit breakers in Gas Insulated Switchgears (GIS).

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The automation age

How the growth of distributed generation is placing new demands on protection and control technologies