why a single phase motor of same rating takes more amps than the three phase motor? as single phase motor at 230v takes 5amp per HP while 3 p motor takes 2.5amp per hp at 230v.

1 Answers  

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What is mean A32 B32 C32 D32 in mcb(miniature circuit breaker)

2 Answers  

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why impedance test in power cables?

1 Answers   CSE,

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what is magnetizing current test in power transformer

0 Answers   ABB,

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The magnitude of sum of two sinusoidal av voltage is equal to 230 volt.the magnitude of each individual voltage is also equal to 230 volt.what must be the phase difference between voltages?

0 Answers   PGVCL Paschim Gujarat Vij Company Limited,

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Dear sir, How to calculate 3.5 core pvc aluminium armoured cable meter wise carrying amps rating.Please give the solution with a good example.

0 Answers   Modi Builders,

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What is the Surge suppresor? Why using in a UDB's and How it works?

0 Answers  

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I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id: vsujith_rajan@yahoo.co.in

3 Answers   RRB,

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3 phase Motor will be given 2 phase after 2 to 5 second we given 3rd phase so Motor Run sum-time in forward or sum time run reverse direction. All time phase sequence is not change. Why motor run in reverse direction? Please Explain........

0 Answers  

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how to amps calculate from 1KVA?

11 Answers  

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what is the formula for calculating of dielectric strength of transformer oil.

2 Answers   Bhel,

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how to calculate the current carring capacity of the conductor

1 Answers  

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