Answer Posted / sneha
1.ACCORDING TO VOLTAGE
1)STEP UP TRANSFORMER
2)STEP DOWN TRANSFORMER
2.ACCORDING TO CORE
1)CORE TYPE
2)SHELL TYPE
3.ACCORDING TO CONNECTION
1)SERIES
2)PARALLEL
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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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