In an panel board if the outgoings are power plugs and motor equipments...what

In an panel board if the outgoings are power plugs and
motor equipments...what should we choose as the incomer of
the of the panel board?? MCCB OR ISOLATOR?? Should we use
ELCB protection??if so where??

Question Posted / vbn

2 Answers
4610 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

In an panel board if the outgoings are power plugs and motor equipments...what should we choose as..

Answer / vbn

Thnk u for ur answer sunil sir.but if we use mccb as
incomer..what we will do to protect the motor from earth
leakage??shoud we use an ELCB near to the motor equipmnt??or
should we use an ELR relay in mccb connected via cbct??

Is This Answer Correct ?

1 Yes

0 No

In an panel board if the outgoings are power plugs and motor equipments...what should we choose as..

Answer / sunil

we will use MCCB because when fuse melt of one phase the
motor will work on two phases in these case the MCCB will cut
off the supplly to the motor. ISOLATOR will not used because
its function is open or close the circuit on no load ond only
.

Is This Answer Correct ?

0 Yes

0 No

Post New Answer

More Electrical Engineering Interview Questions

What is fault level? How can be calculate the fault level?

1 Answers

What should be the dielectric strenght value of transformer oil of 11/0.433KV distribution transformer and 33/11KV tranmission transformer ?

2 Answers

CBCT selection

0 Answers

What is the difference between CT for protection and Ct for metering?

16 Answers BirlaSoft,

what is the grounding Calculation formula? spouse i want to provide grounding to 3phase 18kw motor or i want to provide ground to 3phase 10kva dry type transformere or you give me any exemple...... Thanks.

0 Answers

it is difficult to interrupt a capacitive current because (a)it has a leading power factor (b)current magnitude is very small (c)the restriking voltage can be high (d)stored energy in the capacitor is high

2 Answers DGVCL Dakshin Gujarat Vij Company, MGVCL, UGVCL Uttar Gujarat Vij Company Ltd,

boiler is running in rankine cycle and deisel generator is....?

0 Answers century,

advantage of using 110v than 230v

1 Answers NTPC,

Why PT burnts?

2 Answers

Which Machine u will prefer to use at a place where flammable gases are coming out & why ?

4 Answers NTPC,

difference between temperature sensor and temperature switch

3 Answers ABB,

describe the phenomena of vacuum interruption in C.B

0 Answers

For more Electrical Engineering Interview Questions Click Here