Patent ID: 8054628
Filing Date: 2011-11-08
Classification: H02B

Abstract:
1. A method for operating a sealed for life compact secondary substation comprising a transformer comprising a primary side and a secondary side, a high voltage side comprising a ring main unit and operatively connected to the primary side of the transformer, low voltage switch gear operatively connected to the secondary side of the transformer, a cooling system comprising a heat exchanger, a main contact, and an extended arc eliminator operatively connected to the main contact of the compact secondary substation, the compact secondary substation further comprising an enclosure comprising watertight material capable of withstanding corrosion at least for a life time of the compact secondary substation, the method comprising: enclosing the transformer, the low voltage switchgear, cooling system, main contact, extended arc eliminator, and high voltage side within the enclosure, cooling the compact secondary substation with the cooling system, protecting the compact secondary substation with the extended arc eliminator, and connecting the compact secondary substation to a remote control for surveillance and operation, which remote control is communicating with a fault protection equipment.