what is a relay?

Answer Posted / ramu

relay is a sensing device it gives signal to open the switch
(connected to fauled portion) when the fault occurs

Is This Answer Correct ?    5 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the gross weight to copper ratio in slip ring induction motor of 4000 HP,6.6 kv, 372amp, 992 rpm GE motor.

1909


bus bar design conditions and sizing pls tell me quickly

1487


what happen if the load connected to the induction motor is taken away? the same question for synchoronous generator in synch i think that the the exitation voltage will appear on the terminal only if so plz answer me

1538


what is the prosses for getting of 33kv licence (i have completed my engineering degree & working in 33kv substation for contract basis )????

1398


Efficient electrical earthing in hard rock area

1057






what happens if earth of 33kv cable is not connected to earthing pits? please send this query's answer to ngrm.sudha249@gmail.com

1548


Hi Friend I am used multimeter to measure the voltage between R Phase(SS1) to R Phase(SS2). In SS1 is connected with UPS loads. But I am getting voltage between these 2 R Phases. Please give some idea friend

1508


How would you relate your key competencies to this position?

1745


How much ph is maintained of water resistance starter for slipring induction motor ?

1970


explain different types of d.c motors?

711


what is circuit breaker in transfomer and where it used

729


Explain the operation principle, advantages and disadvantages of the following converters: a) A 12 pulse converter b) A Switch-mode inverter c) A thyristor inverter

1492


I have doubt that the supply HZ (very low or high than rated ) may affect the power factor. is it true. ?

1214


How to determine the breaking capacity such as break down current and break down voltage for VCB and CT's.

1743


What kind of Neutral CT can be placed in 11/0.433KV transformer to be used and what are its specification?

1404