What is a circuit breaker contact multiplier relay?
Answers were Sorted based on User's Feedback
Answer / anand
nc is normally contact to common terminal,when gives supply to the relay common contact to no contact
| Is This Answer Correct ? | 1 Yes | 1 No |
Answer / k.prakashchandra
You mean the aux switches of cb ? There are NO and NC
contacts (determined when the cb is in open position)which
operate when the cb opens or closes.
| Is This Answer Correct ? | 3 Yes | 9 No |
how to calculate the mesh earth network resistance in such substation, is there any recommended resistance values with references , thanks!
presently I am working in private sector.In powergrid interview recruiter asked me why you join this organization.
Why one side of secondary of transformer is earthed, to supply single conductor of electric traction system?
what is merz price protection
why two windings are using in single phase AC motor
How do you think they do earthing or grounding in ships and aeroplanes?
Please mention available current rating for MCB,RCCB,MCCB in the market or any website
i need list of swg(standard wire guage) or area of conductor v/s current carrying capacity of conductor copper & alluminium...
In three pin socket normally three pin in between three pins earthing point is more thickness why?
Can we use same copper cable for both AC & DC power.
Min and max capacities of VCB,ACB,ACCB,OCB,MCCB and MCB
1.what is surge 2.what is lightning 3.what is switching 4.difference between surge,lightning,switching used in power system 4.definition of surgearrestor,lightningarrestor 5.adv and disadv of surgearrestor,lightningarrestor 6.uses and purpose of surgearrestorand lightning arrestor 7.block dia of surge arrestor 8.blockdiagram of lightning arrestor 9.operation and working of surge arrestor and lightning arrestor 10.basic formula of surgearrestor and lightning arrestor 11.basic diagram of surge arrestor and lightning arrestor
1 Answers Crompton Greaves, Framo, L&T,
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)