what is threshold voltage for a relay???what does it
exactly means ?whats its value in our indian transmission
system say 11kv feeder RMU relay
Answer Posted / felixraj
its a operating voltage(level detector). normally it will be
5 to 6 volts in static relays
| Is This Answer Correct ? | 2 Yes | 2 No |
Post New Answer View All Answers
In the N-series schneider reclosers. What is the difference between current during fault time and current at tripping? This appears in the Event log in an event of a trip out.
what is the prosses for getting of 33kv licence (i have completed my engineering degree & working in 33kv substation for contract basis )????
how to put cable sizing and cable glands size for respective cable & Cable Lug size in a DB sectors???
What is ignition module of a CAT Gas Genset G-3508 Engine, Alternator SR4B Series. HOw its checked for correct functioning.Is it repiarable or replacable?
trasnfarmaer core make
How much costly in percentage wise is sandwich busduct costly than air insulated busduct of any rating?
what is method for testing CT
I am experienced with house and industrial wiring but I don't have any licence how can I apply an licence and which type of licence i can get i didn't complete deee just only experience
Hi Suppose we have a wye/wye transformer which is grounded at both sides,in this situation, do we have ay ground transformer? in other words, ground transformer can do any thing more (while we have nuetral wire in both sides)? As the last question, what about 3rd harmonic? we have two choices: first using wye/delta transformer + ground transformer and second using wye/wye earthed connection.in the former choice, we dont have 3rd harmoonic at the secondary side but what about Yn/yn conection? do we suffer from 3rd harmonic in the Yn/yn connection?
Please, if 1kw is equal to 1.25kva; how then do I know how many kva in 7.5kw?
What is mean by hot and cold loop testing?
if negative of DC supply used and positive is grounded through EGB, and if ELCB used in the system then is it sense the positive volatge and get tripped is it possible?
why the protection turbo generators is most complex?
1600 KVA ka transformer hi aghar lt side par 800A aur voltage 420 ho to HT side ki cable ki rating keya ho gi?
How can I calculate per unit (KWH) fuel (Gas/ Diesel both) consumption 1MW unit?