| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a motor controller and a motor apparatus suitable for suppressing fluctuation in alternating-current output to an alternating-current servo motor caused by the influence of voltage fluctuation in alternating-current power supply. <P>SOLUTION: The motor apparatus 1 is comprised of the motor controller 100, a three-phase brushless motor 200, and an electric cable 300. The motor controller 100 is comprised of an alternating-current power supply unit 10 so configured that two 100 V AC commercial power supplies are connected in series and the series connecting portion is connected to the frame ground, a full-wave rectification circuit 13 that full-wave rectifies an alternating-current input, a high-frequency current suppressor circuit 11 provided in the supply path of alternating-current power to the full-wave rectification circuit 13, a smoothing circuit 14 that smooths a rectified input from the full-wave rectification circuit 13, an inverter circuit 15 that converts a direct-current input from the smoothing circuit 14 into an alternating-current output and supplies it to the three-phase brushless motor 200, and a control circuit 16 and a microcomputer 17 that control the operation of the inverter circuit 15. <P>COPYRIGHT: (C)2010,JPO&INPIT |
