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Answer Posted / vikram
Lighting
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We have 750KVA DG set, we want to introduce REF relay with 1250/1A,CL PS,Current transformers.The lead distance of 2.5mm copper flexible cable from CT to relay is around 5mtrs.We would like to know the knee point votage(VK) & IM calculion for CT's
why the field winding in dc motor is not short circuited eventhough dc supply is applied across the winding
number of I/O devices in siemense plc
how circuit breaker work.. what is the operations taking place inside a circuit breaker when an overcurrent occurs... is it similar to fuse?
how can you calculate fault level ?
As per standard, transformer body earthing and other Equipment earthing (Equipment earthing) did not connect. but in LT side termination we are doing metal glanding in both side Transformer to PCC Panel through armoured cable, now X'mer body earthing and PCC Pane earthing (Equipment earthing) both are connect.is this safe for X'mer or other equipment?
at what base you will tell the direction of rotation of dc motors and generators?
WHAT IS THE PARTIAL DISCHARGE TEST?
How to select the gauge of wire for winding of motors? How to select number of turns for winding of three phase induction motor?
how to revers the direction of single phase motor
what causes contact chatter when there is no demand on the air conditioning unit?
In a tap changing transformer where is the tap connected, is it connected in the primary side or secondary side?
why should the lowest unit of a testing transformer ( cascaded transformer ) have higher power rating??
1.why we are using blocks in withoutgaplightning arrester 2.why we ar using bushing in withoutgap lightning arrestor
howmany electrician should maintain for a 1000 kva used plant... in kerala..
