Pls tell me whether we can use EN3A material for shafts of Permanent magnet alternator.What will be the effect of magnetic and nonmagnetic material for shafts on magnetic properties of PM rotor .

0 Answers  

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Which Machine u will prefer to use at a place where flammable gases are coming out & why ?

4 Answers   NTPC,

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why -48 volts dc used in telecommucation

0 Answers  

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how oil in the MOCB was reduced compared with OCB? what are the features of the MOCB?

0 Answers   Asahi, BARC, K-Electric,

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you have an automatic voltage regulator at home for your appliances,if the voltage in your area drops from 220v to 190v,does the output of the automatic voltage regulator drops?or does it retains the 220v output?

4 Answers  

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How will be the single line diagram of series trip HT breaker? how it works?

0 Answers   HAL,

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On 400 amp factory load how kvarh capacitors provide

0 Answers  

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What do you mean by lighting transformer?

0 Answers  

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What is the formuala to calculate the rating of motor protection circuit breaker

0 Answers  

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Unit of Magnetic Flux Density a) Tesla b) weber c) Hendry d) Farad

3 Answers   Ecil,

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1500Ah VRLA battery,if its weight is designed 125kg during maufacturing its weight is reduced to 85kgs,What will be impact on AH capacity,life & economy?

0 Answers   Bajaj,

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what is the use of vector group in transformer. means what r the application of various vector groups?

5 Answers  

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