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??
- 2 Answers
- 3534 Views
- I also Faced
- E-Mail Answers
Answer Posted / 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 View All Answers
how to calculate the fault in substation
IF HT CAPACITOR IN ON POSITION IS THERE ANY LOSSES I.S I SQURE OCCURS IN THE SYSTEM
What are the three constants associated with a steady state error?
Whether power factor should be high or low? Why?
plz tell me,ht and lt panel terminals in substations explain beiefly
-What shall be short circuit current of LV switchgear for a 1000 kva, 11.415kv, 3 phase tranformer with 5% reactance.
In a flange coupling, the flange bolts are designed for
What are the advantages and disadvantages of short-pitched winding?
Suppose a 3 phase, 2 pole, 440V induction motor is driving a flywheel of 600mm diameter, 150kg mass. By using v-belt and pulley, the speed is increased to 4500 RPM. What will be the effect on motor current?
where we use the SFU & FSU?
all interview questions with answers of ntpc (2000-2009
Instrument connected to a single phase supply
what are the protecyion of transformer & generators
Usage of flywheel diode in relays
concept of busbar and load dispatching..?
