Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / sath
Normally MCB's are used for low voltage application.Phase
line is directly connected to the input pole of MCB.MCB's
are act as a contacter here.In normal operating condition
terminal of the MCB are closed position. if the current
value reach above the rated value then the conduct is open.
so there is no need for the relay here.
| Is This Answer Correct ? | 37 Yes | 12 No |
Post New Answer View All Answers
what is efficient motors and how it is different from normal induction motors
In PFI plant one stage capacitor connection is directly connected(with out megnetic contact controll). but why?
Explain cmrr?
WHY IL=IPH IN STAR AND WHY IPH=IL/1.732 IN DELTA? WHAT IS REASON BEHIND IT?
How will you utilise electrical power? You can start from the generating station.
why various test are performed on electrical panels & power cables before commissioning on site & what are these test???
what is the formula of starting current of 3phase and 1 phase motor???
what is the minimum (Common factor) insulatin resistance of the following a, 4mm sq wire b, cable from 50 mm sq to 800mm sq
I have made a 3 phase thyristor full bridge rectifier. But at the moment it is working only for the half bridge operation. Both the half bridges are on operation separately but when i put it into full bridge operation the oscilloscope output is zero. I rechecked that the pulses are correct for each thyristor. what could be the possible reason for this?
CAN CU XLPE/PVC CABLE BE USED INPLACE OF LOW NOISE SCREENED CABLE? KINDLY GIVE REASONS
c++ write a program to use a fuction call "max"which accepts an intger arrey of size5.as an arrument and return the larger and smallest of the arrey to main without changing. the original changing of the original position of the element of the arrey.
What is the role of Dedicated earthing in UPS System?
What is the drawback of class b amplifier?
State and define ohm’s law?
How many types of electrical earthing are there?
