How to select proper VFD or Ac drive

How To choose a Correct VFD or AC drive/ Frequency convertor? How to do Proper Selection of VFD/ VSD? First and very important step to select a Drive is to check Current of Motor which you can easily find on name plate of Motor. Along with this you note down the Horsepower/Kilowatt rating and Motor Input Voltage. Most of the motors will come with multiple…

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Application Note for Ac Drives – Elevator

Elevator is basically a vertical transport system for human being and material. Mr. Otis after different inventions in other applications decided to invent an vertical transport machine for human. But the major concern in this was safety. So he develop such a mechanical brakes that even after hanging rope fails machine will not fall down. With this successful experiment he named it as elevators. Then…

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What is life of VFD / Ac drive

What Is Life of VFD? How much AC drive Last? What Is age of AC drives VFD?   There are many such questions peoples always keeps on asking.  Well some of the manufacturers gives working life of ac drives in there catalog ( Like 5 Years, 7 years or 10 years).Some Mentions Life of there components such as Life of dc Bus Capacitors, Life Cycle…

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