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محرك كهربائي

As a leading supplier of VFDs, Veichi manufactures and produces a wide range of inverter drives. From low voltage frequency inverters to medium AC drives, complete in all specifications. Veichi AC adjustable frequency inverters are developed with advanced control algorithm such as vector control, tension control, V/F control, PID control and more motor control techniques of industry leading level. Besides, the random carrier, rotational speed tracking and more functionality are on the top-level of electrical industry.

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More About محرك كهربائي

Veichi's AC series variable frequency drives are rich in functions, easy in use, reliable performance, complete in secifications and suitable in various applications. We have provided more than 188 million sets of AC series inverters and related solutions that have been applied in various fields of industrial automation throughout China and outer world since 2017.

In the meantime, we have saved about 216 billion kW/h of electricity and reduced about2152 tons of carbon dioxide emissions. Both quality and performance of our products have been unanimously recognized by our customers.

Variable Frequency Drive (VFD) is also be called AC drive, adjustable frequency drive, variable speed drive (VSD), variable frequency inverter (VFI). Whatever the name, VFD is a type of motor controller that drives and controls an electric motor. The VFD controls the motor speed and torque to meet the application’s requirements by varying the frequency and voltage supply.

Even though the drive controls the frequency and voltage of power supplied to the motor, we often refer to this as speed control, since the result is an adjustment of motor speed.

Why adjust this motor speed?

For example:

  • Save energy and improve system efficiency;
  • Convert power in hybridization applications;
  • Match the speed of the drive to the process requirements;
  • Match the torque or power of a drive to the process requirements;
  • Improve the working environment;
  • Lower noise levels, for example from fans and pumps;
  • Reduce mechanical stress on machines to extend their lifetime;
  • Shave peak consumption to avoid peak-demand prices and reduce the motor size required;

What's the difference between a VFD, an AC drive, and a variable speed drive?

None. All these names refer to the same kind of devices, also known AC variable speed drives, AC variable frequency drives, VFD inverters or variable voltage variable frequency drives.

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