what is the method of electric earth for the protection of low voltage electric equipment1 3136
Why do we have 110V, 230V, 415V etc. in electrical transmissions? Why not 100V, 200V,400V?4 7421
how circuit breaker work.. what is the operations taking place inside a circuit breaker when an overcurrent occurs... is it similar to fuse?
how many earthing is required for sever room?4 3933
What is GIS Substation and how it operate? where these type of substation installed?8 26800
What is difference between earth leakage relay and restricted earth fault relay ?22 32740
how to find out capacitor range?2 2899
what happens when d cexcitation given to alternator is removed while it is running or what happens when dc excitation is failed in alternator while running?9 13567
why we are calculating the capacitance between phase(conductor line)and ground in transmission line?why cant we calculate capacitance between the phase and the nuetral line?if so what is procedure.1 1087
what is the difference between VARIAC,AUTO TRANSFORMER,DIMMERSTAT.10 20778
hi all i like to know vat is power plot in control systems also i want to know abt latest trends in electrical & electronics660
What is mean by spike arrester(Voltage Operated)
How to measure the earth resistance value in a concrete pavement(flood light area)?
what is the chiller and working principal
EXPLAIN THE TRANSFORMER MAINTENANCE?
what are carbondioxide and dcp used in fire extinguishers
Whether amorphous core transformer is commercialized or not:Name of company making amorphous core transformer and what are different rating?
What is Delta Connection? What is meant by Forward Delta & Reverse Delta & How Will be the Connection in Power Transformers?
In a synchronous motor. if start is running at high speed. What will be the starting torque : Higher Lower Zero
how to extend relay operating timing in 24V dc relay card (without using Timer )
why we are using Load factor?
difference between semiconductor & conductor & insulator?
Which type of questions well asked. ?
kindly send me 11KV MV motor differential protection procedure by primary injection method.
why -48 volts dc used in telecommucation
how to find the resistance and gap volatage of the diode??