when we r using 3.5 cable for a bldg. and put laod on each phase using the neutral and neutral is the return paht for the phase so the current of the neutral must be Ir+Ib+iY (return).But the size of the netural is .5 as comper to the phase.

2 Answers  

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Why the motor take high starting current for long time(10- 15 sec) which is connected to Blower as compaire with a motor which is connected with pump with same rating?

2 Answers  

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Define de-sensitivity?

0 Answers  

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different aspects of voltage stability

0 Answers  

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Why dose an electric meter record KVA when there is no load on a 500 KVA transformer

1 Answers  

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what is the meaning and difference between ELECTRICAL DRAWOUT and MANUAL DRAWOUT?

3 Answers  

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How to improve the power factor from 0.8 to 0.98? Also tell me cost vs benefit analysis.

2 Answers  

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If i=10+10sin314t then find the rms and average value of current with explain?

2 Answers   Heptacare, TCS,

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What is the use of Surge Capacitor in LAVT?

1 Answers   Snipe Engineers,

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why when i start my diesel generator it takes 1 minute or less then stop, and i checked the oil sensor is ok and when the generator start i can get 220 voltage but it it is stop after 1 minute or less, how can i solve this problem?

1 Answers  

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When a square wave is applied to primary of a transformer then what will be output wave form of secondary ?

15 Answers   Bhel, Sail, Sterling Telecom, TCS,

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HOW TO SIZE THE TRANSFORMER OR WHAT ARE THE STEPS INVOLVED IN FINDING THE SIZE OF THE TRANSFORMER FOR GIVEN LOAD SAY 2000KW ?

1 Answers  

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