last week we did the REF relay test by closing single pole
(R phase) of CB and apply 380V at the primary of delta
transformer. we get 33A at the primary of the R phase star
end. but we get 380A at both R an B in delta side. how and why?
Differnce between earthing and nuetral
why do we connect voltmeter in parallel,why not in series,and why do we connect ammeter in series why not in paprallel...
I have 500A load (WHICH IS SEPARATE MDP PANEL),an MCC panel with 4000A Breaker.Already I have 2500A load.Can I connect this load directly to the Busbar since I have PROTECTION IN MY MDP Panel ?
Two 11 kv lines are feeding to common bus in a substation,I have one set of CT & PT(3ct,2pt), How can I measure both lines power using single set.
1KVA transformer of different frequencies of 50hz,100hz,500hz&1000hz. which one of these transformer has big size? Give reason
16 Answers Ecil, Engineers India, MahaDiscom,
when the size of the cable used for the ht voltage is 300sqmm then what is the size of the conductor of each phase
Why dc shunt motor in lathe, compound motor in rolling mills
how to CHECK CT AND PT AT THE FAULT OCCUR IN GENERATOR RELAY PANEL .
how many maximum nos of add on contact we shd provide on 4 no contactor
How to know the back up time for a 5KVA UPS which is connected to 15 nos. of computers? Is there any formula for this? pls. tell me.
explain the mode of metal iranafer in Co,welding
what is the differance between MC61C and MC61A relay of L &T make.
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