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  1. AussiePower

    DC or AC Spring Charging Motor

    To be more precise the load is 7x630A, 11kV, VD4 ABB circuit breaker. Each spring charging motor is 200W for 15 Sec. What size would you recommend for DC charger considering diversity factor?
  2. AussiePower

    DC or AC Spring Charging Motor

    It is a 630A, 11kV, VCB. (VD4 ABB)
  3. AussiePower

    DC or AC Spring Charging Motor

    Hi Friends, Can anyone tell me what are the pros and cons of DC and AC spring charging motors for an 11kV circuit breaker?
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