if you asked to choose a ckt breaker from MCB & MCCB for 32A
which one will be best and why??
Answer Posted / kk
It depends on the application where we use the same.
MCCB have adjustable tripping characteristics where MCB have fixed tripping characteristics.
MCCB is selected if it is incommer ,MCB is enough if it is O/g feeder
| Is This Answer Correct ? | 9 Yes | 1 No |
Post New Answer View All Answers
what is the concept of directional power?
what is value of Jin transformer
How to use earthing on shipments.
A 3-PHASE TRANSFORMER IS USED TO STEP-DOWN THE VOLTAGE OF A 3-PHASE, 11KV FEEDER LINE. PER-PHASE TURNS RATIO IS 12.FOR A PRIMARY LINE CURRENT OF 20A, CALCULATE THE SECOUNDRY LINE VOLTAGE, LINE CURRENT AND OUTPUT KVA FOR FOLLOWING.A)STAR- DELTA.B)DELTA-DELTA.
what is mean by kneepoint voltage? when it will happen? ( my doubt is, if CT secondary is open means ct get saturation or blas? what are factors are required for calculations? plz give currect anws:
what is the Earth Voltages in Power Plants, Sub-stations, Industries, Residential & Commercial Buildings.
1.what is difference between ATS & STS main use. 2.what is difference between ACB& VCB With symobles,and main partes, manimum range. 3.How many types of relays and main function.
Define ohm’s law for a.c (alternating current)?
What are the characteristics of negative feedback?
how we can calculate power factor in single phase & three phase ?thank u
how to calculate IR value of 33KV cable ??
Which Class insulation is prefered for the sandwich Busducts ? Why?
If the earth is a good conductor of electricity, why don't people get shocked every time they walking on earth?
How can I calculate the Mega watts required to run a plant having many electric motors and other electrical components.
Is there any relevant technique to produce power from light and heat energy of the sun simultaneosly from same rays of light?