Answer Posted / rvg

Yes, but the use of 50 Hz not recomended because, this
frequnecy will give less flux linkage than what designed
for, and output voltage will be lesser.
Humming and other harmonics loss will be more/less and can
cause core heating,ie: core loss.

What is nyquist contour?

1170

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Ratings of power transformer,Distribution transformer.

1587

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whats the differece between Exd and Exe

4906

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any one can explain the stages of a knee point which is taken during ct magnetising curve.

1764

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plz send me Bhel, Mahagenco, sbi previous exam paper for electrical engineer on my email-id kambali_smita@yahoo.co.in

2395

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what is meant by 3rd hormonics ?

2001

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how a flip flop can be used as a latch?

1969

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When calculation of fault current and fault Kva is to be done,why always we use per unit value and why we consider the base kva?

1887

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what does a k rating in a transformer means?

2475

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Any one can explaination about calibration with rotating sub standards?

2054

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Power factor =1.000 at factory in supply. However, PF = 0.8 at motor end. Current = 100 Amp, Voltage = 400 V. What is the power distribution loss? Can I reduce it by adding capacitor at the load feeder?

2029

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which one is more efficient, torq, power & ecnomy with the same frame size AC motor / DC motor?

2167

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Explain the operation principle, advantages and disadvantages of the following converters: a) A 12 pulse converter b) A Switch-mode inverter c) A thyristor inverter

2027

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sir,in our plant we r using SATEC PM172E power reading meeters in HT panel side it is monitoring the MB data smart viewer(sever).but last one week we did not get readings inthe server only available in meeter.tell me how communicate meter and server. and also what steps we take for checking.

2212

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All the socket in a room become very hot, the Wall was also became very hot and the earth conductor also became live, what in your view might be the possible causes?

1646

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