Latest Answer : When their is sudden loss in demand nothing is happened neither with generation nor with transformer cause while designing transformer and generator the max. load in the area for which generator and transformer are going to used is considered. When ...
Why CTs are connected in star on T/F delta connected winding side & in delta on T/F star connected winding side for T/F differential protection?
Latest Answer : we need to connect star connection of the CT secondary in Delta side of transfomer and delta connection of CT secondary to starside to bring all the voltage and current vector in same phase ..and pilot current injecting in the differential relay should ...
Can differential protection operate while its only one side is energized or being energized (HT side in this case)? When trying to energize a 132/11KV t/f from HT side when its differential protection
Dear AllI wan to know that we are using large type of cable like 300sqmm and other and our load also in much kw but we are using a small type fuse in main supply (not HT Side) how can it bear load.
Latest Answer : Fuse rating and cabel selection is depend upon the load current and fuse current is always greater than the load current. Suppose your load is motor then the starting current of motor is 3 times greater than the normal current then your fuse rating ...