Answer / raj kumar moudgil

CIRCUIT BREAKER IS A SWITCHING DEVICE WHICH CAN OPEN AND CLOSE THE CIRCUIT , DURING NORMAL AND ABNORMAL ( FAULT) CONDITION .
IT MAY BE ACB,VCB,OCB AND SF6 TYPE.
PROTECTION DEVICES ARE RELAYS WHICH GIVES COMMAND TO TRIP CKT OF C.B. WHEN FAULT OCCURS.

Answer / aruna

A circuit Breaker can make or break a circuit at fault
conditions.

Answer / muhammad ashraf

a circuit breaker is device whitch controls a circuit in
condintions of abnormal current in the circuit, abnormal
load, or voltages. mean while this is a prtacotor for the
electrical circuit and for isulation of the circuit from
the power supply.

Answer / vishwa theja c

CIRCUIT BREAKER IS OVER CURRENT PROTECTIVE DEVICE WHICH CAN BE OPERATED MANUALLY OR AUTOMATICALLY UNDER ABNORMAL CONDITIONS.IT IS REUSABLE PROTECTIVE DEVICE UNLIKE FUSE.

Answer / surendra yadav

circuit breaker is proctective equipment which proctect the
main circuit to fault condition by opening its contact
electrically as well as mechanically by recieving the
signal from protective relay.

Answer / muhammad ashraf

A circuit bracker is a isolation device which save the load
circuit from abnormal condition, like over current of the
rated capcity of the circuit, when over current flow from
the circuit, bimatelic strip works and trip the circuit
breaker and circuit breaker isolate the main circuit to
load circuit. So, this is the protactive device which
isolate the circuit from the mains in abnormal condition.

Answer / farrukh

circuit breaker save the main circuit at unwanted
conditioin .such as high voltage,

Answer / guna

the name it self contains which break the circuit during the faulty conditions. it is a over current protection device, whenever the fault has been occurred on line it separate the healthy condition of a circuit from the faulted one. it has mainly two parts moving contact and fixed contact by using these two contacts it can make or break a circuit.

Answer / santosh

circuit breaker is used to isolate the circuit from main circuit when relay give signal to circuit breaker when fault accure

ple send to the how to improve the efficiency & economical to the thermal power plant

1 Answers  

I am doing apprenticeship training at HT switch yard in NLC. How can i get electrical c license. ??? What r the rules for getting it as an apprentice? ??

0 Answers  

Good day everyone,currently in our premise we using 30kw slip ring motor with resistance bank which we use as forward and reverse at conveyor bar handling. So,my question is how do we calculate the resistance bank which is suit the motor. Kindly,assist me... thank you

0 Answers  

in wind mill use 2100 kw asychronous generator ( induction generator ) rotor voltage : 3300,stator voltage : 690, rpm : 1511 type : MRL063E04 ' we check rotor resistance magger value found following. R-EARTH - 00 M.OHM,Y-EARTH-34 M.OHM,B-EARTH- 33M.OHM R-Y: 31 M.OHM, Y-B: 00 M.OHM,B-R :33 M.OHM HOW CAN I TAKE DECISION?pls ans. quickly

0 Answers   Shaifali Rolls,

What is the main function of fuse?

7 Answers  

Is there thumb rule to calculate how many Insulators to be used for Transmission line of different volatges

3 Answers   CS,

sir, why alternator output is connected to delta side in to generating transformer? any reasion?

3 Answers   Kirloskar,

WHAT HAPPEN IF LT SUPPLY 415 V FED TO THE HT 3.3KV MOTOR

1 Answers  

what instruments used for measuring of inductance and capacitance.

2 Answers  

How to calculate busbar size & what is the procedure we make for determine that?

35 Answers   Auko Tex, Integra, PowerTech, Shadhin Group,

why spark is produced in mosquito bat?and what are the ways to reduce it?

2 Answers   Godrej,

Whether the Dc motor Droping the power factor like AC motor if lot of motor running in factory is it necessary to connect capacitor bank

2 Answers