What is the specification of service line (ie from
electrical post to cut out) used by electricity boards used
in india.i mean which material,its size etc..
please give the answer at lalkishan.p@gmail.com
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generally in LT and MV motors we are using 3.5Coresx16,25,35,50 etc cable for supply.although motors is earthed at two point and having all protection.then why we are using that 1/2 core for earthing the motors.while in HT cable we are using only 3core cable for motor supply.generally lt and mv motors are delta connected and ht motors having star connection.whethere it is having any relation with winding connection( star or delta).all motors i am talking about are dol only.can anybody solve my confusion.thanks...
any body know about lighting arrestor. how to determine the height of lighting rod from top of bulding and how many area it cover.
why do we need to use 3c+3e cable, normally i select only 3c+e cable and i think it is enough. pls explain the usefull of 3e cable ( in this project the earthing system is well done)
what will happen if a part of primary winding of a transformer is accidentally short-circuited?
Difference of induction motor & servo motor ??
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