Toshiba Toshiba Schneider Inverter Corporation

Washing machines [Commercial use]

 Merits of inverter drives

Washing machines with inverters have the following merits:

- Simple switching of low/high speed
Speed control of washing machines without inverters use the following methods:
- Change of number of motor poles
- Use of pulleys or gears

Inverters can control motors at any speed, and can remove some magnet contactors for cost reduction.

- Simple switching of forward/reverse operation
Inverters can control forward or reverse operation simply.
Therefore, magnet contactors for forward/reverse operation aren't needed.
Besides, inverters can control motors without mechanical shock.

- High speed operation for tact time reduction
Inverters can control motors at frequencies higher than commercial power supply.
Therefore, washing machines with inverters can reduce the dehydration time.

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