what is the difference between active power and reactive power and apparant power in practical as well as theoritical
1898CAN ANYBODY PL TELL ME WAT FACTORS CAN CAUSE UNDERVOLTAGE ON A BUS??? PL LIST ALL THE REASONS WITH SOME EXPLAINATION
3 5955sir i am apearing for nic exam.i dont know exam pattern.can you please send me some model papers
1949explain why the armature voltage changes when the field rheostat is varied in self excited DC generator
2 12507sir please tell 1 ton equal to how many kilo watt?? in some converter software's that is 3.5 kw. is it right?
1 4179please tell me when we start motor without load in star or delta connection whose current above condition,pl write formula
2259please tell me formula of 3 phase induction motor under condition{1]when we 3 phase motor starts without load in star or delta connection?thanks
1 5589when 20hp 3 phase motor start no load condition in star or delta connection.find current and write formula.(tariq)
2030Post New Electrical Engineering Questions
Batteries used for electrical energy storage are a. Laclanche cells b. Edison cells c. Lead acid cells d.any of the above
The loads are connected with phase and ground then why current flow as the loads ?
when generator short circuit condition, the current how dissipates. or at short circuit voltage not available then current how can flow?
defult setting in p220 micom motor proction relay for 11kv,640kw,f.l.a.-40a,1440rpm ht motor?
How to select batteries required for ups and the inverter if we Known load? And how AH is selected of battery?
After synchronization with grid what is the demand value QKVAR and how we will maintain that?
how define the torque in ac drive. from electrical side in the drive friquency ,voltage and current three factor is there.
If I have Energy Meter Ratio as 100:5 & Also I have CT Ratio as 50:5 then what will be my multiplying Factor(M.F.)
write circuit diagram for a motor rotate in forward direction once it started and when pressed the same button it should rotate in anticlockwise.
Tell me about ur past electrical maintanence job
how we provide neutral earth on synchronising panel as per electrical standards?
What is the working mechanism of OLTC in Power Transformers????
What is control system?
v/f drive basic princeple
How one can check the MAIN of a house wiring ?