WHat is the requirement of installing FAST ACTING EARTH SWITCH in GIS and how is that integrated with protection system. How and when does it operate?

2117

how to check avr of dg set of 125kva

2553

are there rmu for 3 transformer?

1849

what is the standard duration after failure EB power

1795

when we design electrical schemes of 11/.415kv distribution..wen and were should we show the relays??what is the function of it?for example..we place EFR Relay CT between transformer neutral link and transformer earth.Like this what are the other type of relays we should use?why?where?Explain please..Thank you

1758

any earth foult trip the relay but in welding time not trip by earth foult

3133

Explain about c.t?

1086

state the working of discharge lamp?

1965

If we connect a motor and generator together (I mean that the generator gives the motor electricity and the motor gives the generator movement) regardless the losses. Will the generator still generate and the motor still move?

2231

Define demand factor?

1059

What is dynamo function in DG sets and draw block diagram?

1999

how many parameters can integrate with fire alarm basically ?

1925

How many types of faults are there in 3 phase power system?

1051

What is the use of mc( moving coil) in dc voltmeter and dc ammter and what is the use of ( moving iron)in ac voltmeter nd ac ammeter

2857

How efficiency of thermal plant can be improved?

1168