| 摘要 |
PURPOSE: A power converting device is provided to obtain the output of desirable stop torque and large braking power. CONSTITUTION: A power converting device includes a switching circuit(4), a PWM control unit(5), a current detection or estimation unit(6), and a DC braking unit. The maximum current setting value is previously set outside or inside. A PWM control unit includes a PWM phase blocking function and a zero vector output function. |
