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 are the parts in a inverter?

0 Answers  

What is infinite Busbar?

4 Answers   Equate,

what is the difference between relay, contactor

4 Answers   BRSS, Vishay Intertechnology,

In alternator generally we give DC voltage to field of alternator but field (excitor)produce Ac & converts into DC by rotating rectifier(RR ) then fed to rotor .my question is why we cannot give dc voltage directly to rotor instead of Excitor & RR ?

1 Answers  

What is the lifetime of a Thyristor? Is there a recommended lifetime for thyristors after which they should be replaced?

0 Answers  

What will happen if i used 11KV earth ht kit to 11 KV / 11 KV cable termination?

0 Answers  

why the earth pin is thicker than other pins in a plug? If it is for reducing resistance, then why the copper earth wire is not so thick as earth pin of socket?

5 Answers   Omax,

WILL THE PERCENTAGE IMPEDENCE FOR A ONAN TRANSFORMEER BE THE SAME COMPARED TO ONAF TRANSFORMER OF SAME RATING???

5 Answers  

i have a motor 55kw how u will calculate cable specification for this motor

1 Answers  

Explain the function of VFD

10 Answers   Dalkia,

60 watts bulb and resistor home heater is connected in series and 230v is given to the circuit. The heater is giving some amount of heat. If instant of 60 watts bulb replace 100 watts bulb what will be the output of the heater?

2 Answers   NPCIL,

1. If 8.35%Z means the percentage impedance of 132kV-line from power company, we will like to confirm its base capacity?

0 Answers