How to determine alternating current frequency?

0 Answers  

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transformer losses

1 Answers  

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Why ct secondary is not kept open while primary charged. Answer in terms of ct parameters.

4 Answers   Power Grid,

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why we usually call 415 volts instead of 440 volts

3 Answers   S Tech,

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I have a 600VA UPS for computer only. It holds for 20minutes only. 1. Can it be upgraded for longer period.? 2. Can it be used for one ceiling fan and a tube light? If yes, how to upgrade?

11 Answers  

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Can anybody tell the formula to calculate temparature rise in the cable with respect to current?

1 Answers  

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why earthing is not required on transformer prymary winding side ???

13 Answers   Genpact,

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is the electrical energy photo copy possible or not???????????? give me some idea about that i m very great full tu u.

5 Answers  

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which of the following is the earliest known literary source of ancient india and indeed of mankind

1 Answers  

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A 230 v dc series motor is connected to 230 V ac supply, then

1 Answers  

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Why do we apply both Differential and REF (HV and LV) protection schemes on YNyn configuration of a transformer?

0 Answers   WCC,

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In our plant we are having 6.6 v motor wih MV drive running frm last two years.udenly at some speed motor getting vey vibrations what is the problem

2 Answers   ITC Infotech,

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