why we use 3 phase in our country?..why no 4,5 or 2??

2 Answers   Siemens,

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Differentiate between voltage and current feedback in amplifiers?

0 Answers  

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What is the differance between 2 dc motors of armature voltage 660 v and 440 v?

0 Answers   Kirloskar,

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How much depth we will take in 33kv sub station and why.

0 Answers  

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Why inverter rating in KVA?

3 Answers  

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What different between kw and kva. why maser AC in kva.

3 Answers  

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Can 4pole (3 phase+neautral )RCCB proper functioning in only 3 phase load (no neautral, no Earth) ?

0 Answers   HCL, Reliance,

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In a 3 phase system a neutral exists so that any unbalanced currents can flow through it towards earth.... but a phase demands a particular current as per the load attached to it....then where does the extra current come from the goes in the neutral??....I mean in an unbalanced system a phase demands a current as per its load attached....then where does the unbalanced current come from??

1 Answers  

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What is the need for a controller?

0 Answers  

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Please send specifications for 1000KVA dry type transformer or where I can get the specifications?

2 Answers   PSU,

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1.what is the funtion of chiller primary & scondary pumps. 2.what is the use of distribution lines & Types. 3.what is the use the thermal power stations & how much capacity.

0 Answers   Wipro,

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Hello sir i m student of gtu .what is idp.

0 Answers  

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