Answer Posted / ahmed arafa _bapetco
Anti-pumping relay is used to avoid closing of the circuit
breaker when there is afaulty case , so the closing coil of
the circuit breaker can not be energised until the path is
healthy and the trip is not exist
| Is This Answer Correct ? | 15 Yes | 4 No |
Post New Answer View All Answers
what is load despatching
Differentiate between real and apparent power?
What is the selection process of breakers. Can any one please give a formulation on same?
what is acceptable leakage current for 33kv cable while doing high voltage test for cable? how to calaulate the leakage current for 33kv or any rated cable?
We have two parts in generator, electrical & mechanical. how it works?
how to calculate the surge level of surge suppressors related to the SF6 cicuit breakers?
Sir, I have applied for the of Assistant.engineer of NPDCL. please send me all AP TRANSCO AND JENCO solved papers of previous exams . I requested send me the papers to my id as soon as possible (rajanikanth_peddi@yahoo.co.in) (This is very urgent) Thank You,
how can we design robots
How to calculate the multiplying factor for energy meter with ct ratio given
i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400
What should be the percentage increase in length of the dead end clamp for bus bar conductor (Hawthorn) after hydraulic pressing and what should be the applied pressure?
what are the installation procedure of high voltage power transformer,CT,CB&PT?
which one is more efficient, torq, power & ecnomy with the same frame size AC motor / DC motor?
why would amp draw on neutral wire be as much as amp draw on the hot leg.
What are the section criteria for cables. Now everywhere XLPE power cable is used or PVC is also used?.