| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a voltage protection control apparatus for a rotating machine, capable of suppressing an excessive inverter input voltage due to an adverse effect of switching speed even if a switching speed of a power semiconductor device of the inverter is increased. <P>SOLUTION: This voltage protection control apparatus 1 includes: target torque setting means 2 for setting a target torque of a rotating machine 13; inverter input voltage setting means 3 for setting an inverter input voltage corresponding to a preset target torque; and an inverter input voltage suppression means 4 for suppressing the inverter input voltage by decreasing a system voltage. <P>COPYRIGHT: (C)2009,JPO&INPIT |
