How the size of electic machine vary with the sped? Between slow and fast running machines of equal ratings, which one is more economical to design?

1 Answers  

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What is relation b/w Transmission Lines & Communication Lines ?

2 Answers  

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when generator short circuit condition, the current how dissipates. or at short circuit voltage not available then current how can flow?

0 Answers   Power Grid,

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Do you know how to maintain a generator, if so what are those maintenances?

4 Answers  

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what is the rating of a power transformer?

1 Answers   ACME,

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Petroleum jelly is applied to the terminals of the lead acid battery is to prevent?

2 Answers   KSEB,

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Write the formula for Fault MVA, Fault current, Base MVA.

2 Answers  

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Why transformer is rated in kva?

4 Answers   L&T, NDPC,

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electrical machines

3 Answers  

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what kind of motors are used in the winders of coal field?and what are the various methods of it's speed control?

1 Answers   Monnet,

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what is relay what is protection & contact multiplying relays where it is used function in brief

0 Answers  

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what is reluctance?

11 Answers   TCS,

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