Why we use Y-Y connection in power transformer (8-10 MVA,
132 kV to 11 KV)and D-y in distribution transformer (2 MVA,
11 KV to 440 Volts)?
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Answer Posted / morongoa
WE USE Y-Y CONNECTION IN POWER TRANSFORMER COS WE NEED STAR
POINT SO IN DELTA YOU DNT HAVE A STAR POINT AND FOR
DISTRIBUTION YOU USE D-Y CO YOU TAKING POWER FRM SUBSTATION
WHICH IS 11KV FRM SUB TRANSFORMER TO YOUR CONSUMERS
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