Answer / anayat

Open delta is usually three transformers connected in parallel in such a way that if any one of the transformers operates inefficiently the rest two will mantain the load ....or in short if one of the three transformers ooerating in parallel is disconnected the arrangmnt obtained is called an open delta connection....

Dear Mr B C pal...Can you plz. put some light on principle of operation of Z-Ct in conjunction to its use with 1Cx1000Sqmm HT Cables & Directional Ground Fault / Over Voltage Relays...Regd..Parag v K 9899115632

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