Answer / abhishek

it may be a single phase preventer.

Answer / gunasekaran

for small motor thermal OLR will operate .
for big motor negative sequnce will operate

Answer / lorp sophan

phase preventer

Answer / thowsif_emerson_csm team

For Which Electrical M/C????

Answer / kks

Core balance current transformer ( cbct)

Answer / arun

negative sequence relay...

what is difference b/t ac current and dc current

4 Answers   L&T, Meghana Engineers,

Explain the process of commutation in a dc machine.

0 Answers  

How to calculate no of EARTH PIT? Describe the formula as per IS standard?

0 Answers  

30 kva ups may kitne output voltage hote h

1 Answers   ME,

Which system is best for industries 3ph 3w or 3ph 4w?

3 Answers  

When semiconductor fuse does save thyristor in each cycle of conduction? Why under voltage setting keep less in SPRS and more in DC drive?

0 Answers  

what is called star connection and delta connection also purpose of this connections?

3 Answers   Siemens,

EXPLAIN WHAT BTU STANDS FOR(AIRCONS)

2 Answers  

Can you any one explain application of buccholz relay operation and pressure relif device operation of power transformer

0 Answers  

how was your last weekend.

0 Answers   HCL,

how to changeover ups in this power failur time?

0 Answers   Essar,

ro plant grundfos bm30type pump.we start the pump using siemens 3rw 4423-1bc44, 30kw soft starter. bur its failier frequently. so we planed to change the dol starter. sp please tell me any budy its possible or not翿შ†

1 Answers