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?

2 Answers  

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My question is abt backlog.I had dropped one subject in my second year, and completed this subject in the 3rd attempt, so how many backlogs i have got?1 or 3?plz sujjest the answer as soon as possible

0 Answers  

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1. How many types of mangers? 2.How many types of capacitors? 3.pls tell me normally types alternator problems?

0 Answers   APCPDCL, Voith,

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What are the factors influence the choice of an electrc drive?

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1.What is the proper definition of power system stability? 2.some times a blue spark is visible in the secondary side of a distribution transformer at the contact position of bushings and fuse wire,why?

1 Answers  

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what is reactive poower

3 Answers  

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what is the purpose of reactor in electrical substations ?

2 Answers  

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why inuctive drop is not consider in DC MOTOR

2 Answers  

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Generally in d.c. circuits the direction of current is from possitive to negative.In a.c.circuits what is the direction fo current flow

4 Answers  

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what is ment by doublefield revolving theory?

2 Answers  

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what are the reasons of low voltage during start the DG?

1 Answers   Godrej, Tata Power,

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what is effect of reverse c.t connection on metering.

4 Answers   Cushman Wakefield,

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