What principle and operation of frency drive

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What is the type of feedback used in an op- amp schmitt trigger?

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sir , what happen if we decrease ( approx 3 inch ) the lenth of shaft in 110KW Induction , three phase motor. actually a 110KW motor is couppled with star couplling to 120TR compressor. When we doing maintenance in compressor it is required to skid the motor backword and resulting dis- alightnment . so we want to change the tyre coupling in place of existing coupling. so it is required to cut off the rotor aprox 3 inch form driving side.

2 Answers  

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'documenˁ

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Explain the different methods used in the choice of rotor slots for reduction of harmonic torques in an induction motor.

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What is the actual calculation for transformer short circuit test?.

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In a incandescent bulb, if the glass is punctured, and then power is supplied, the tungsten filament blows up with a flash.Why?

2 Answers  

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star delta starter contorl circuit... drawing..

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sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company

0 Answers   Jindal,

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how to calculate current and voltage in a same circuit?

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Why is making current of CB always greater than CB breaking burrent?.

6 Answers   JP Group,

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Haw to check conductivity of budbar

0 Answers   Adlec Power,

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