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12kV Switchgear for Nuclear Power Station

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The TKHD2 12kV switchgear is developed for the nuclear power systems with power no more than one million kilowatts. It is mainly used to supply electricity to emergency equipment in the nuclear power plant, and it can also be used for non-safety-grade nuclear power systems.

12kV Switchgear for Nuclear Power Station
Technical Parameters
Item Unit Circuit breaker cabinet Vacuum circuit breaker Fuse - contactor cabinet
Rated voltage kV 12 12 7.2
Rated insulation level 1min power frequency withstand voltage kV 42 42 32
Lighting impulse withstand voltage kV 75 75 60
Rated frequency Hz 50Hz/60Hz 50Hz/60Hz 50Hz/60Hz
Rated current A 1250-3150 1250-3150 250
Rated short-circuit breaking current (rms) kA 50 50 50 (expected)
Rated making current (peak) kA 150 150 150 (expected)
Short time withstand current (rms) kA/s 50/3 50/3 50/3 (main busbar)
Peak withstand current kA 150 150 150 (main busbar)
Dimensions (W × D × H) mm 800(1000) ×1600×2300 650×1600×2300
Protection class Shell: IP4X Interior: IP2X Shell: IP4X Interior: IP2X

Related Names
Generator Paralleling Switchgear | Intelligent Switchgear | Electricity Supply Equipment

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