hi guys please tell me the procedure for mesuring the coil resistance of 3ph induction motor?

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How we can design a cable for a 3phase load.

3 Answers  

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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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What are series and parallel isolators?

3 Answers  

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How to calculate the current carrying capacity of electrical cables

16 Answers   Barqaab, Grasim, Havells, HM Cables, Janapriya, Polycab,

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Draw a circuit diagram in which if button is open we can use socket and bulb as a series test circit and if button is close than simple we can use socket as any load purpose.

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A 3-PHASE TRANSFORMER IS USED TO STEP-DOWN THE VOLTAGE OF A 3-PHASE, 11KV FEEDER LINE. PER-PHASE TURNS RATIO IS 12.FOR A PRIMARY LINE CURRENT OF 20A, CALCULATE THE SECOUNDRY LINE VOLTAGE, LINE CURRENT AND OUTPUT KVA FOR FOLLOWING.A)STAR- DELTA.B)DELTA-DELTA.

0 Answers   Ispat, Red Bull,

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Define damping ratio.

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i have flexible wire. size of conductors is 0.190 mm & no.of conductors are 48. then size of wire comes 1.37 sqmm instead of 1.5 sqmm . the what is tolerance for this size.

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How to justify this statement ??? "Capacitors in series provide less capacitance but higher voltage breakdown rating for the combination"

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What exactly is meant by harmonics and harmonic current?? and what is skewing with regard to this??

2 Answers  

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What are the common sources of energy?

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