what is suitable alternative for an igbt?

4 Answers  

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i have 400/230v transformer and didnt done the neutral eatrhing. i connected one lamp to one phase and neutral to the earth. but the lamp is not glowing. again i connected neutral to earth and repeated the same. then the lamp is glowing. in the first condition i tested with a line tester also, at that time the tesrer is glowing what is happening i dont know can any one help me?

1 Answers  

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purpose of flux relay for turbo generator in power plant

1 Answers  

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Difference between auxliary relay & pla relay

1 Answers   Reddy Labs,

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What is the difference in calculating size of AC cables compared to calculating size of DC Cables? Usually DC Cables are larger than AC Cables although they have the same ampacity. Why is it?

0 Answers  

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what is voltage, and how it makes the electron to move?

6 Answers  

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Write down the classification of the transmission line?

1 Answers  

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what are the methods of speed control of dc motor???

4 Answers  

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Give some differences between open loop and closed loop?

0 Answers   Ericsson,

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If I want to replace a 26KW Slip ring Motor with a Squirrel Cage motor & Drive (for a Hoist Application). How can I approximate the Motor & Drive HP required in new Setup.

0 Answers  

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How to Convert horsepower to kva? what is the three phase formula? email me if u know thanks Rehan smileavail@msn.com

3 Answers  

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Essential condition for parallel operation of two single phase transformer is that they should have same A polarity B kVA rating C voltage ratio D % impedance

1 Answers   wbsedcl,

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