WHY EXCITATION OF SYNCHRONOUS MACHINE IS DC NOT AC

Answer Posted / shailesh_358

DC excitation provides high starting current required for
excitation

Is This Answer Correct ?    2 Yes 15 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is KSR type transmission tower? What is LSR type transmission tower?

4638


Difference between On Line capacitor and Station Type capacitor.

1627


WHat is the general checks required for Dry type transformers

1657


hi i have applied for lic of india south cenrtal zonal ,hyd. i didnt get hall ticket till now.let me know how can i get form internet

1477


Why only sinusoidal ac voltages are generated?why not triangular or sawtooth?

1575






What do you mean by a voltage transformer?

686


How many types of electric motors are there?

657


Cb closed condition if there is a tcs fail whether cb will trip or not

1321


what happens to the water pump if ground water level is slowly decreasing?our water pump is varying from no-load full-load due to this problem

1215


what is the operating time for LBB and how does the LBB relay realise whether cb is opened or not?

1499


explain the what is a drive ? 0 4 which type motor r use in the celling fan..... PCB plannet 2 13 If stator & rotor of a 3-phase induction motor have different no. of poles, will the motor run or not?? types of drives Why dc supply is used for closing and tripping coil of ht breakers. What happen if we use only ups ac supply only. ACC 1 41 how the 3phase induction motor is running in 2phase supply with help of capacitor? 1 33 what is the actual difference betwen constructional details and constructional features? 1 20 how does commutator convert a.c to d.c?

4091


In a 3 phase 4-wire system. For a 3.5 core cable if all loads are single phase and balanced, what will be neutral current? will it be sum of all phase currents? Or it will be zero? And if loads are unbalanced what will be neutral current?

1258


Terminal blocks is used for segregate the connections... There is any principle for terminal block..?

1678


i have done diploma and btech in EE and live in Chandigarh so kindly help me how can i make my competency certificate in my area.

1785


What is the purpose of stablization resistor in high impedance bus bar protection

1536