Answer / tharan

power frequency incresing voltage r step up.. power frequency
decreasing voltage r step down..

Answer / omwikha

Voltage=4.44fN(phi). Where f= frequency
Thus increasing frequency automatically will increase the voltage and vice versa.

how the B-H loop obtain under the static condition

0 Answers  

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Pl. share your experience about industrial-electronics repair of machine tool.

0 Answers  

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Is it possible to run HT motor through LT VFD (LT VFD supply given to Transformer LT side and transformer HT side connected to motor)

1 Answers  

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How can we calculate the capacitance of generator?

1 Answers  

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what are the safety measures of induction motor?

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Is it possible Z axis excess error alarm reflect in X axis if yes explain ?

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why trasformer rated in kva why should have to maintain pf in our site 0.9

3 Answers   Dalkia,

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a 230v transformer with step down ratio 19:1.it has 2000turns on primary and rated 25va calculate max primary current no of secondary turns volts/turn

0 Answers  

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Hi I'm doing my MBA(3rd semester).I applied for the post of ET conducted by BHEL the last year.I cleared the written and lost in personal interview.Again I wrote the exam this time and cleared the written n yet to take the personal interview.Shall I disclose in the interview about my studies.What shall i say if they ask about my change from studies to job

0 Answers   Bhel,

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synchronous motor of 13.5MW having which type protection? and how to set relay?give me relay setting calculation for different protection for this motor assume efficiency,power factor and other term if neccecery

1 Answers  

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What is the advantage of AC supply?

5 Answers   PSU,

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how to Select Lighting arrester? What r the parameters to be considered for the selection of Lighting arrester ?

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