Devre Kesici Testi

Megger

Devre Kesici Testi

Yayınlandı: 28 Mart 2024 · Kategori: Kataloglar

Bu belgeden

Circuit breaker testing equipment Circuit breaker testing Why? What? When? Breakers are main protection of power system on high voltage side. Insulation resistance test Development Contact resistance (SRM) Production Contact timing Commissioning Travel (stroke, speed, damping, wipe) Maintenance/fault tracing They are extended arm of relay protection trip contacts Assurance that the breaker will operate when needed After service (re-commissioning) Operating coil current CIRCUIT BREAKER - COMMON FAULTS* 28% t Does no close on nd comma 16% 10% Does n ot open on comm and LET US HELP YOU! Circuit breaker tester selection isnt always straight forward as the tests vary between each type of circuit breaker. Megger is happy to help you select the right product to meet your circuit breaker testing requirements. Please contact our Technical Support Group which is waiting to assist you. www.megger.com Breakdowns (poles, ground) t le ok ee Fr bo A GUIDE TO HV CIRCUIT BREAKER TESTING Download at www.megger.com 2 Request a copy of A guide to HV Circuit Breaking Testing Circuit breaker testing equipment * Cigre 2012 www.megger.com Circuit breaker testing equipment INDEX High and Medium Voltage Circuit Breaker Testing Circuit Breaker Testing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Know-how and tools Product selection guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Safety first -DualGround . . . . . . . . . . . . . . . . . . . . . . . . . ....