In single core cable, Why non-magnetic material is used??

1 Answers  

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what do you mean by PF correction. A motor is rated at 15 kw,415 volts, 0.7 pf and eff of 0.92. The powerfactor is improved to 0.98 by adding capacitors at the bus. calculate the current drawn by motor under full load condition before and after pf correction

5 Answers  

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Why r use in the tap changing x' mer.

2 Answers   L&T,

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In case of 3Phase Supply, Voltage R-Earth/Neutral - 220 Y-Earth/Neutral - 220 Z-Earth/Neutral - 220 Total is -> 660Volts Then Why it is said that 3Phase supply is 440

6 Answers   Hindustan Unilever Limited,

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While performing load test on DC SERIES MOTOR, does the voltage decrease slightly. Why?

2 Answers  

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How to control motor gearbox speed and friquency? If length of cable and dia given, how to measure the voltage drop?

0 Answers  

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why capacitor rating measure in KVAR. ?

2 Answers  

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why high voltage is reqiured or L.T. panels? what type of tests should be taken for electrical panels?

2 Answers  

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What is the advantangeous over SFU (switch fuse Unit) & FsU (Fuse Switch unit) which one is better & application of Both?

2 Answers  

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what is power transformer?

2 Answers  

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I COMPLITED MY B.TECH AND 10TH CLASS WITH 70%MARKS BUT 12TH CLASS 55%MARKS..CAN I GET INDIAN RAILWAY RECUREMENT EXAMINATION?

0 Answers   UPSC,

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why should we connect the no load components in a equivalent circuit of transformer in parallel?why cant it be in series.

3 Answers  

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