what is a circuit breaker. Weite the types of circuit
breaker.
Answer Posted / reshi
Circuit Breaker is used to isolate the power supply to the
equipment and avoid any damaged to the equipment during
the short circuit or overload.
Circuit breaket are of two types magnetic trip &
adjustable trip type.In adjustable there is the option of
adjusting the breaker to trip intantaneously or taking
short time or taking long time on crossing the particular
values.There are many types of MV Circuit Breakers.
1.Air Circuit Breakers
2.Vaccum Circuit Breaker
3.Oil Circuit Breakers
and in LV :
1. MCCB moulded case circuit breaker
2. MCB miniature circuit breaker
3. ELCB earth leakage circuit breaker.
| Is This Answer Correct ? | 46 Yes | 6 No |
Post New Answer View All Answers
Please sent me some previous year question papers of BSNL-JTO telecom and RRB in ELectrical Engineering to varshashahi@yahoo.com
how we do Vector group ,magnetic balance and tap changer test in Transformer?
Name the component u would expect to find in a switchgear assembly?
I completed iti in2004 I was worked in A grade contractor can I get c licence
what is working process of star delta controlling circuit ?
How to calculate pitch, gauge of winding wire, and No. of turns for 30HP, 3 phase, 4 poles 50Hz, 380V induction motors
Why the unit sizes of hydro generating machines are not standardized as in case of thermal powerplants?
HOW can i REuse the fused MLL LAMPS & GLS LAMPS at our factory
What is power in wattage of 8.5 TR AC
Control wiring of a dol starter for forward and backward
why you don not show protection and type of isolation in key single line diagram?
please send me previose rrb junior engineer qustion papers
what is the standard values(Megger test) of resistances between L&N,L&E and N&E for a system on IEE regulations?
Why and when NGR panel required. Is it necessary to design a NGR panel for a 6.6kV Alternator paralleling with Grid????
PLEASE SEND ME NTPC RELATED INFORMATION LIKE WHICH TOPICS HAV MORE SCOPE,BOOKS TO READ,CUT OFF...PLEASE.mail at thiru.1203@gmail.com