Power distribution system

Details Power distribution system Power distribution system

H - Electricity

02

H

317/7

H02H 7/04 (2006.01) H02B 5/00 (2006.01) H02H 9/04 (2006.01)

Patent

CA 1169482

ABSTRACT A distribution substation including a transformer module and a feeder module. The transformer module including a tank, a transformer having primary and secondary windings immersed in insulating oil within the tank, a radiator connected to the tank for cooling the oil in the tank, a primary bushing mounted on one of the side walls of the tank at an angle and being connected to the primary of the transformer, a secondary bushing mounted on the top of the tank connected to the secondary winding of the transformer, a primary circuit breaker mounted on the tank in close proximity to the primary bushing, a lightning arrester mounted on the top of the tank in close proximity to the primary bushing, the lightning arrester circuit breaker and primary bushing being connected to a high voltage power source with the lightning arrester located on the power source side of the circuit breaker. The feeder module including a transition cubicle and a feeder cubicle. The transition cubicle including an input bushing and a feed-through bushing connected to the input bushing, the input bushing being connected to the secondary bushing of the transformer module and a secondary circuit breaker in the feeder cubicle, a bushing junction in the feeder cubicle connected to the feed-through bushing in the transition cubicle by an insulated cable assembly having visible break terminators at each end, a pair of bushings in the feeder cubicle connected to the low voltage circuit breaker and an insulated cable assembly connecting the bushing junction to one of the pair of bushings in the feeder cubicle. The cable assembly including a Visi-break terminator at one end and a twist-lock terminator at the other end.

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