what are the current specifications of bus ducts ? i ve
seen in IPBD bth 22000 A and 1500 A in 400 kv switchyard .
why it is so??
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Answer Posted / binod
CURRENT CARRYING CAPCITY IS SPECIFIED AS PER THE SIZE OF
BUS AREA INWHICH THE CURRENT WILL FLOW,INSULATION LEVEL
LIKE THE INSULATOR USED TO HOLD THE BUS INSIDE THE BUS DUCT
AND OTHER TECHNICAL FEATURE LIKE OF THE BUSDUCT
MANUFACTURING MATERIAL,TEMPTURE(LIKE SPACE HEATER)IN SIDE
THE BUS DUCT.SEALING OF BUS TO KEEP INSIDE THE BUSDUCT
CLEANE,DUST .FREE
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