what is armature reaction?explain in simple words?and what is its infleunce on dc motor

16 Answers  

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give information about REM5453 & SPAJ Relays

1 Answers  

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What is the make of breakers, transformers, generators? What are their capacities and ratings?

1 Answers  

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In case of a synchronous generator carbon brushes, some brushes expire before the others. Why is so? When all the brushes are installed at the same time, why don't thee expire at the same time?

1 Answers  

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In Induction machines which type of emf is induced ( statically or dynamically)?

1 Answers  

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dg earth connect only in the amf panel or not why

0 Answers  

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E.B sending end to receiving end 33kv ug cable laid 8Km,receiving end to ss1,ss2,ss3,ss4 all are Approx 800 Mtr,can go for 33KV to 430V or 33kv to 11kv in receiving end and 11kv to 430 near ss ,which one is good for technically and economically.

1 Answers   JLL,

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Corona occurs between two transmission wires when they (a) are closely-spaced (b) are widely-spaced (c) have high potential difference (d) carry d.c. power

2 Answers   Power Grid,

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Why Motors are generally supplied with 3 core cables??? why not 4C??

5 Answers  

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I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com

0 Answers  

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does over charging of a battery reduce its life?

4 Answers   KSEB,

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Can Induction motor run at over rated speed? ( 15oo rpm is rated speed for 50HZ. is it possible to ride 3000 RPM with same motor with the help of VVVFD for continues ride of 100HZ)

3 Answers   Equate,

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