tell me working of air circuit braker.

Answer Posted / harikrishna

it is used at the main substation areas used it is saftey
purpose high current istanasus fauilt hih volatage triping

Is This Answer Correct ?    0 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

On 400 amp factory load how kvarh capacitors provide

1292


Explain the working of any one cutting machine

662


why cable i burning without tripping. how can protect led street lights

1023


which is the best institute for PLC,SCADA,DCS in hyderabad

1887


in a solar power plant,we are going to step up the voltage 350V to 33kv, and to 132kv GSS. i want to ask that if it is possible that 315v/33kv is not possible because we also use 315v/11kv. or it should be 415v/33kv? is it effects generation or losses?  the second question is-generation is depends on LV winding? or LV winding design for generation voltage?

1290






what is difference between speed mode and torque mode in motor?? explain in simple words please.

1151


This is urgent!! What is a Thyristor-based 3-ways selector switch with Zero crossing control? how does it operate and where is it mostly found in a system?

1576


what do you mean by class PS CT and what are technical details needed for calculating it?

1517


Alternator rotor earth fault relay circuit

1552


How can you calculate the size of the down conductor cable for the lightning protection system. Is 70mm2 cable can replace 95mm 2 bare copper cable when the copper tape size is 25Wx3 thk mm.

4950


how will calculate the safe starting current of 3-phase squirrel cage induction motor?

1445


3- What is the target from Zero Impedance, Single Phase Imp., S/C Imp. and magnetic balance tests?

1398


In Power Line Communication (PLC) the wave trap is used to block communication signals from entering neighboring lines. My question is this: Why do they allow for different filtering arrangements on these wave traps? Isn't it always going to be a low pass filter since we want the power frequency to go through, and the comm signal blocked?

1483


what is strip power factor?

1634


how mass curve differs from hydrograph.

1296