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...

Moving Iron instruments are applicable with a) DC only b) AC only c) DC & AC

14 Answers   Bhel, Engineers India, Engineers India Limited,

kVA rating of ordinary transformer is increased when connected as an auto transformer because A transformation ratio increased B secondary voltage increased C energy is transferred both inductively and conductively D secondary current increased

0 Answers  

plz tell me about detailof induction motor Slip

2 Answers  

what is the speed of current?

29 Answers   Su Kam, TATA,

i want to know about torque of slip ring induction motor

0 Answers   Ambuja,

should %impedance be high or low in a power transformer? if so why?

0 Answers  

What is voltage divider rule?

0 Answers  

What is inductance?

0 Answers  

if i have 5kw,9A,three phase induction motor,if i want to install it 100 meter away from its feeder,how i will culculate cable size for this load.

2 Answers  

what kinds of Transformer oil grade is better for power transformer ?

0 Answers   KSRM Steel Plant,

HRC full from

6 Answers  

Why VL is more than the Vc?

2 Answers