Why dc voltage used to excite alternator field in stead of ac?
- 4 Answers
- 6621 Views
- I also Faced
- E-Mail Answers
Answer Posted / mohamed abd el-raouf
so the magnetic field of the rotor can connect with the magnetic field of the stator
| Is This Answer Correct ? | 0 Yes | 1 No |
Post New Answer View All Answers
Help need in transformer !? Hello Friends The parameters of 2300/230 v 50hz t/f is R1=0.286 ohm R`2=0.319 ohm Rc=240 ohm X1=0.73 ohm X`2=0.73 ohm Xm=49.2 ohm Secondary Load impedance ZL=0.387+J0.29 solve the exact equivalent circuit with normal voltage across primery.. I know every thing but i cant find CURRENT I1=? and I`2=? Please help me give solution or only Formula please please...
lorteny method
How many types of protection relays are there based on the characteristic?
How to calculate cable size by using load.?? Any formula...
What are the necessary components of the feedback control system?
what is the purpose of using filters in a protective relaying scheme?
Difference between HRG and NGR. Are they both the same thing
PLS MENTION QUESTIONS ASKED IN IOCL INTERVIEW FOR ELECTRICAL EGG??
How earthing/grounding done in aeroplanes and ships.
i am going to give the JSEB,RANCHI exam for power plant,so i need some samples of papers related to that,so please send me these papers by my mail id.
Dear all i am kumaravel. now in chennai. my work is control and relay panel auto cad designing.up to 11kv to 400kv then question is i am improving my knowledge. i want some books name and auther are available for this C&R panel related. plese any one help me
Is MEN and RCD related to each other ?? IF yes then how??
in power generator normaly voltagr betwween esth to neutral is 0 but my work place generator show the volatge is 60v any body know why? thanks
What do you mean by a phase angel of instrument transformer?
why electron produce magnetic field when it is in motion?
