Answers were Sorted based on User's Feedback
Answer / raj
relay are device which are use to sense fault .
and cntactor are device which reacived signal through relay
and remove contact from the line or connect the line
|Is This Answer Correct ?||18 Yes||1 No|
Answer / sahilnabi
Relay is basically an electronic device which manufact because of sensing very small parameters of electricity.
In connectivity of the same contactor is made for basically for manual as well as automatic switching operation for secure the machine from several surges.
|Is This Answer Correct ?||0 Yes||1 No|
what is the difference between 3 phase 3wire &3phase 4 wire meter?what is the advantage of 3p3w over 3p4w?
different between highvoltage & lowvoltage source
Where is the center of magnetic field in alternator
Why we choose 400kv,220kv,132kv,66kv,33kv transmission voltages for transmitting power. Why not other voltage levels.
WHAT IS THE DIFFERENCE BETWEEN UNDERVOLTAGE COIL, CLOSING COIL AND SHUNT TRIP COIL OF AN ACB?
my UPS suddenly goes off and all panel light also blow off.This happens even main electric supply is not interrupted.After some time it automatically starts functioning normally.Batteries are new.
how generator load test is conducted?what are the steps?
wat is the advantage of increse in frequency?how the powersupply range decreses as the frequency increses?like in america,it uses 110 ac and 60 hz?
WHAT HAPPENS IF STARTER OF A FLUROSCENT LAMP IS SHORT CIRCUITED AND WE PUT THE SUPPLY ON?
What is the meaning of coupling and decoupling in the context of power flow?
Which cable is use for rtcc control panel
what is the meaning of cable Glanding can you explain brifly?