QLG Series SF6 Gas Insulated RMU

Typical primary plan Rated Parameters S/N Name Unit parameters 1 Rated voltage kV 12 2 Rated frequency Hz 50 3 Rated current A 630/1250 4 Rated short-time power frequency withstand voltage Phase-to-phase and Phase-to-earth kV 42 Across isolating distance kV 48 5 Rated lightning impulse withstand voltage Phase-to-phase and Phase-to-earth kV 75 Across isolating distance kV 85 6 Rated peak withstand current kA 50 7 Rated short-time withstand current kA 20 8 Rated short circuit

Typical primary plan Rated Parameters Product Overview QLG series ring main unit is a SF6 gas insulated metal enclosed switchgear independently developed and produced by our company. The equipment uses SF6 gas as insulation and breaking medium, and the load switch, vacuum circuit breaker and live busbar are all sealed in a closed stainless steel container filled with a certain pressure. The external American standard / European standard bushing is connected with the incoming

Typical primary plan Rated Parameters S/N Name Unit Load switchgear C Circuit breaker cabinet V Combined electric cabinet F 1 Rated voltage kV 35.0 2 Rated frequency Hz 50/60 3 Rated current A 630 630 1250 80 4 Rated short-time power frequency withstand voltage Phase-to-phase and Phase-to-earth kV 70/95 Across isolating distance kV 80/118 5 Rated lightning impulse withstand voltage Phase-to-phase and Phase-to-earth kV 170/185 Across isolating distance kV 195/215 6 Rated peak