Answer Posted / raju
Relays are 3 types
1. Mechanical relay
2. electromechanical relay
3. numerical relay
RELAY WILL SENCE THE FAULT CURRENT THROUGH CURRENT
TRANSFORMER AND IT WILL GIVE A COMMAND/ SIGNAL TO TRIPPING
COIL WHICH WILL TRIP THE BREAKER.
| Is This Answer Correct ? | 22 Yes | 0 No |
Post New Answer View All Answers
what is the common earth
Do u know any one? how to find out in motor rated amps? formula?
What is Surge Capacitor? Why it is require in Generator Circuit Breaker,inspite of surge arrester?
What is power in wattage of 8.5 TR AC
what are the applications of PLC?
How will be the single line diagram of series trip HT breaker? how it works?
In three pin plug 6 amp. 220V ac rating. Why earth pin diameter is higher than other two pin? What its purpose ?
What are capacitive,resistive,inductive surge absorbation? What is ferranti surge absorber? What is lagrangian cost? What is Px operator?
what size steel armoured cable is required to support 1500kva capacity. would 70mm squared be enough or would I need 90 or 120mm squared 3c plus earth
Name a govt approved university which have 100% online engineering course.
How can we measure the residual voltage in dc machines?
what is consequences of neutral and earth connect?
Why collecting electrode of ESP to be earthed
what is d check in dg 1500kva
what is breathing?
