Answer / simon

The another name of open delta is v-v connection.In it the Prim & Sec winding has only two windings. As compared 4rm delta delta x-mer only 58% turns r kept. it is used for low v &low power 3 Phase x-mer .

Answer / k.prakashchandra

Open delta is made with only two single phase transformers
which are connected in series. Two phases for two free
terminals and the third phase to the common point.The output
power will be restricted to 87 % of the total capacity.You
will get 3 ph 3 w secondary from 3 ph 3 w primary

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