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what is the function of open delta System?



what is the function of open delta System?..

Answer / hihi

open delta system or the v-v connection is used to minimise costs as it is a bank of 2 1-phase transformers can b used for the power supply purpose ..but its poweer output is 57% of the 3 ph transformer .. used wen less load cond so d losses r less ...and wen in fftute load requiremnt increases the 3rd windin is added

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