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...

How the starter control the starting current in three phase AC Motor?(In DC apply the reistance).

6 Answers  

What is the ideal power factor?

1 Answers  

Pole of s-plane gives the information about?

2 Answers   CCP,

Formulae for calculating the transmission line losses for different voltage levels

0 Answers  

will the power consumption remains the same when speed of the fan cnanges??if so y??

2 Answers  

what is the basic paramter to set a electric drive

1 Answers   Alpha,

what is the role of impedance in transformer?based on secondary f.l.current(139 amps) and impedance(4.07) of 415/415v of 100 kva transformer. what is the primary current?

1 Answers  

Why indian power system in 11kv,22kv,33kv,66kv,110kv,220kv ? 2) Why ups required dedicated earth?

8 Answers   Energia, L&T, Sail,

1.Why we use choke?If we use for high starting voltage then different type choke gives different voltage. Is it correct?

2 Answers   Dalkia, Luminous,

minimu size and length of gi earth pipe

2 Answers  

what is negative phase sequence

1 Answers  

What is the name and type of power transformer oil?

4 Answers