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Why in India distribution transformer are connected in Dyn11
when we know capacity of v-v connection can be increased by
adding only a single transformer?
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Answer Posted / alok
In India according to indian standard we use + or - 30 degree phase shift between LV and HV side.
so we can use Dyn11(for star LV is leading delta HV with 30°) or Dyn01(for delta HV is leading star LV with 30°)
It depend on 12 hour clock like 1=30°,2=60°......11=330°or(-30°),12=0°
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