How to maintaine ht motor efficiancy

1 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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Why we use two wattmeter during block rotor test and no load test of 3phase induction motor? And how can we understand the neat power requirement of from this test?

2 Answers  

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How instantanious short circuit current is calculated? its formula?

1 Answers  

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why substation are rated like 11KV or 33KV?

3 Answers   TNEB Tamil Nadu Electricity Board,

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explain why the secondary terminal of current transformer should not be lift open circuited.

2 Answers  

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in 3 phase (4 wire) star connection - is current pass through neutral??

7 Answers  

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Can 33kva/415v transformer be run underground? If the answer is yes why and if the answer is no why?

0 Answers   4T Technologies,

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transformer spections :: input voltage 0-110-230v; output volage 0-10-12-14v; amp=3A using CRNO CORE, capcaity=50VA primary turns = ? ; secondry turns =?

0 Answers   Bhel,

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CAn any one can tell me what is the operation of ceiling fan and how it will start

2 Answers  

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what does mean for "mah" for mobile batteries like 1500mah,1300mah??

2 Answers  

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in a dc shunt motor what happens if motor takes high current,no speed

2 Answers  

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