Why We Choose AC Drives

 Why VFD

AC drive is one type of device which made from combination of electrical and electronics control equipment such as power converters, switches, relays, sensors, and microprocessors, and use in various place for speed control of AC motor. It is capable to control the speed of all induction motor. 

Where it is use :

It's use in different types of industries like petrochemical, textile, Pharmaceutical, In material handling equipments like Hoist & EOT Cranes. It use were speed regulations is required for smooth operation and more then one speed.

In Which Motor : 

Drive mostly use in 3 phase Induction Motor according to its application.

Why we choose Ac drives  :

Save Energy :  - Significant energy savings can be realized in many fan and pump applications that previously used dampers or ON/OFF control: AC drives allow motor speed to be fine-tuned to the process.

Reduce start up current : Controlling the inrush current at motor start-up allows the use of smaller fuses, and reduces electrical peak load.

Reduce mechanical stress : controlled/smooth starting and stopping minimize mechanical shock and wear and tear on the system.

Power Factor : Motors have very poor power factors (especially at light loading). Drives significantly increase power factor (even at light loading) and can eliminate the need for power factor correction capacitors and/or utility power factor charges.

Variable Speed and integrated functionality :  AC drives can vary motor speed and direction by operator input (keypad buttons/ speed control knob) or by digital and analog inputs (from pushbuttons/ switches/ pots or PLC outputs). Basic machine control can sometimes be performed in the drive (limit switches/ sensors can be wired to the drive’s inputs to control motor speed or direction).

Protection : Drive Provide various types of fault protection. Like Short circuit, overload, over current & and over speed.

VFD Drive Make : there is lots of make available for VFD in which mostly use Schneider, ABB, Yaskava, Fuji & Simens.

If you have any suggestion and questions drop in comment box.

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