Answer / naveen

resettable protective device

Answer / jack

make and break unit for protection

Answer / pppp

It is automatically operated elcetrical switch which is designed to protect from overload and short circuit.

Answer / k.prakashchandra

Switch gear

Answer / randzu

Is an automated electrical power isolator, which under
fault/heathy conditions, breaks or make circuit of the
protected load or equipment through the command of
relay "refered to as the brain of electrical protection".
The combination of Circuit Breaker, Protection/Metering
Relay, Current/Voltage Transformers and Fuses make a
switchgear. Circuit Breaker alone CANNOT be regarded as a
Switchgear, as all the above mensioned equipment work
antagonistically to bring about the end result of
electrical system

Answer / kajanijam

ON Load Break Switch

Answer / deepesh

a device which diconnect the two contects

Answer / engrosamabinamjad

residual-current device (RCD), or residual-current circuit breaker (RCCB).

Answer / p.kamal

contoldevice

what are the main parts of DG? explian thier functions?

8 Answers   Apollo Power, Tata DoCoMo, Tyco, Vizag Steel,

what are symmetrical and non symmetrical components in electrical installation.

0 Answers  

WHAT IS SEMICONDUCTOR? EXPLAIN DETAIL. FOR EXAMPLE TAKE A PENCIL.THE LEAD IS MADE UP OF GRAPHITE IT IS A CONDUCTOR.THE OUTER COVER IS MADE UP OF WOOD IT IS INSULATOR.PENCIL IS A SEMICODUCTOR MATERIAL.

5 Answers  

what is R Core Transformer. how it differs from normal transformers. dont search in net and post the answer.

0 Answers  

1.why is +1+1=+2 why cant it be +3 2.Why is +1*-1=-1 why cant it be something else 3.why are the hilly areas more cooler than the ordinary areas?

5 Answers   ThyssenKrupp,

how the 3phase induction motor is running in 2phase supply with help of capacitor?

1 Answers  

will aqatic animal die if we ground the wire of three phase instead of grounding to earth

2 Answers  

How Many Safety of Transformer

2 Answers  

what is the formular for the calculation of CT'S when installed as part of a electrical installation so the correct meter is used

2 Answers  

can any one help me out by posting something related to rvnl interview for site engineer electrical.? what is the procedure? what kinda question they ask us? how long the interview goes? and any tips? and any thing you want to share?

0 Answers  

how to reduce the transformer size in ups ?

2 Answers  

In electric motors, according to the no. of compartments, The no. of input's (pantagraph collector's) were increased, why?

1 Answers