Block Diagram Example of Automatic Washing Machines for Home Appliance

Block Diagram Example of Automatic Washing Machines for Home Appliance

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On: 18 Mar, 2014

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Category: Circuit

Block Diagram Example of Automatic Washing Machines for Home Appliance Rating:
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67 out of 100 based on 327 user ratings Many drum-type washing machines combine inverter drive for washing with inverter control for spin-drying. Inverter drive and control help reduce wash/spin noise and vibration and enable a washing machine to adjust the amount of water and motor to...

Many drum-type washing machines combine inverter drive for washing with inverter control for spin-drying. Inverter drive and control help reduce wash/spin noise and vibration and enable a washing machine to adjust the amount of water and motor torque to suit the washload. IGBTs are used for motor drive, and microcontrollers for overall control. Additionally, an intelligent power device (IPD) is used to drive a water circulating pump for spin-drying. Recently, some washing machines run the compressor at reduced frequencies in order to further save energy. Power factor correction (PFC) ICs or IGBTs are used in the power supply circuit to keep harmonics in the input current below the IEC limit.

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