In all the generators, the excitation supply is DC. What is
the significance of DC excitation? What will happen if AC
supply is given as excitation supply?

Answer Posted / vikas

If we give ac supply the function of the motar remains same
but the thing is that as ac voltage depends on frequency
eddy current losses increases.This can be eliminated by
laminating.

Is This Answer Correct ?    2 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is the use of static frequency converter and static excitation equipment? and where it is employed? for what?

3038


What is an Air COmpressor

1720


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

1415


What are the applications of autotransformers?

641


How u can give the overload setting to any motor protection relay for a HT motors with formula and Example?

1651






What is Faraday's law

1054


HOW TO CALCULATE EARTHING SIZING?

1558


What is negative sequence over voltage element?

1423


RATING OF LIGHTENING ARRESTER FOR 11 KV LINE IS 9 KV is ok ,but haw to calculate the KA rating?

1530


Please nybody say, weather the result of Bharat Oman is declared or not? Probable date of declare???????

1541


Can anybody tell abt concrete encased earthing or grounding?

1616


Do u know any one? how to find out in motor rated amps? formula?

1532


hi frnds what is meant by harmonics & what is meant by third hormonics,where its will occur ?thank u

1517


What are the characteristics of negative feedback?

607


why steady state stability limit is greater than transient stability limit ? How it can be explained ?

2424