WHAT IS THE DIFFERENCE BETWEEN UNDERVOLTAGE COIL, CLOSING COIL
AND SHUNT TRIP COIL OF AN ACB?
Answer Posted / nirmalraj
cc used for closing the breaker contact, tc used for trip/open
the breaker contact and uv coil used for spring charge
interlock. if no supply manual spring charge is possible,
supply is present manual spring charge is not possible
| Is This Answer Correct ? | 12 Yes | 8 No |
Post New Answer View All Answers
Why CBCT rating is 50/1A
5- What is the task (function) of the excitation and isolation transformers in power plant? 6- What is the task (function) of LCI (A), LCI (B) and LCI (COS) in power plant? : LCI (A) and LCI(B) are load commutating inverter for generator turbine starting. , LCI (COS) is load commutating inverter change over switch
Please give me a erda placement paper
IN dc capacitive reactance is??
How it can worked plc based electrical system And which type of software using.
Why we do 2 types of earthing on transformer (ie:)body earthing & neutral earthing , what is function. I am going to install a oo kva transformer & 380 kva dg set what should the earthing value?
How grounding is different than earthings?
what is meant by surge? what we called for high currents?
What is the distance between each insulator in 33kv transformer and how can it calculate
Define resonant peak?
132/6.6ππ πππππππππππ πππππππ πππ πππ πππππ πππ πππππππππ. πΈ'ππ πππππππ πππππππππππ ππ 6.6ππ/415π πππ πΈ πππππππ πππππππ ππ ππππ πππππ πππ ππ ππ 13/6.ππ πππππππππππ?? πΈπ π½π.. ππππ π ππ’??
Which type of motor is used in trains, what is the rating of supply used explain working principal?
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?
can anybody sent me power grid questions. what subject should i prefer for preparation?
how to setting voltage RTCC panel