Motor drive apparatus having input power supply voltage adjustment function
AssigneeFanuc Corporation
InventorWataru KUROKI
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Abstract
A motor drive apparatus includes an AC stabilized power supply configured to convert AC voltage of a commercial AC power source into input power supply voltage according to a received voltage command value and output the input power supply voltage, a converter configured to convert the input power supply voltage into DC voltage and output the DC voltage to a DC link, an inverter configured to convert the DC voltage at the DC link into AC voltage for driving a motor, and an input power supply voltage control unit configured to control the input power supply voltage that is output by the AC stabilized power supply.
Claims11
A motor drive apparatus comprising:
- an AC stabilized power supply configured to convert AC voltage of a commercial AC power source into input power supply voltage and output the input power supply voltage;
- a converter configured to convert the input power supply voltage into DC voltage and output the DC voltage to a DC link;
- an inverter configured to convert the DC voltage at the DC link into AC voltage for driving a motor and output the AC voltage;
- and
- an input power supply voltage control unit configured to control the input power supply voltage that is output by the AC stabilized power supply.
Dependencies are inferred from the claim text.