WHAT IS MEANT BY vfd(VARIABLE FREQUENCY DRIVE )HOW CAN WE APPLY VFD TO MOTOR ? I WANT FULL DETAIL IF ANYBODY KNOW THE WEBSITE FOR THAT PLZ SEND .THANK U

2 Answers  

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how to design domestic earthing pit and earthing wiring?

1 Answers  

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What is static Device & Mechanical device? Is transformer a static device?

5 Answers   ABB, Emco,

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List few applications of d.c series motor?

0 Answers  

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When star connection of motor is use?

1 Answers  

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what are the main problems that happen in an emergency light and how to fix them ?

2 Answers  

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what is the min and max ohmic resistance for the earthing rod installed for lighting poles for street light network

1 Answers  

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What will happen if mains neutral and generator neutral shorted?

2 Answers   Betts, Suzlon,

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Operation of isolators.

0 Answers   KSEB, L&T, Siemens,

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what is the difference b/w absolute encoder and incremental encoder?

0 Answers  

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WORKING PRINCIPAL OF MCB

5 Answers   TATA,

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for compensate 315mh inductance ,how many capaciance required?

1 Answers   Mitsubishi,

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