What is the advantage of vvvf drives over non vvvf drives for EOT cranes?

What is the advantage of vvvf drives over non vvvf drives for EOT cranes?
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1 Answer

Answer :

Answer: Advantages1. Smooth start and stop.
2. No jerking of load.
3. Exact positioning
4. Better protection for motor.
5. High/low speed selection.
6. Reliability of break shoe.
7. Programmable break control.
8. Easy circuitry
9. Reduction in controls
10. Increases motor life
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