Answer / karthick

Phase difference between two phases in 2-phase system is
180degree, whereas the phase difference between two phases
in 3phase system is 120degree..

why the frequency and voltage in india is 230v and 50HZ. when compared to USA say 110v and 60 HZ.

0 Answers   Alstom,

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what condition there autotransformer will fail?

2 Answers  

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What is the main use of rotary phase converter ?

0 Answers  

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why the manufacturer provide M and C terminals ? why they will not internally short them ?

1 Answers  

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In a transformer, the hysteresis and eddy current losses depend upon 1.load current 2.maximum flux density in core 3.type of lamination 4.supply frequency The correct statements are (a) 1 and 3 (b) 2 and 3 (c) 1 and 4 (d) 2 and 4

9 Answers  

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what is surge??

1 Answers  

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What are the types of relay ?

3 Answers  

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Do I need a special Transformer to put 240 VAC 3 phase into it and and get 480 VAC 3 phase out of it to run a machine? Or, do I just use an ordinary step down transformer and step up the voltage? Thanks

2 Answers  

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The electromagnetic torque developed is proportional to what in a D.C series motor?

0 Answers   HPCL,

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Why a transformer is known as a static device?

7 Answers  

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How to calculate multiplying factor of dc energy meter

0 Answers  

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What is the difference between Neutral and Earth

6 Answers   Bhel,

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