| 摘要 |
As the integral value of power obtained by integrating supply power to the three-phase stator coil of an assist motor with respect to time becomes larger, a motor temperature becomes higher. Then, the integral value of power obtained by integrating supply power to the three-phase stator coil of the assist motor with respect to time is detected and when this detected integral value of power is equal to or larger than a first determination value, supply power to the three-phase stator coil of the assist motor is limited. Then, when this detected integral value of power is equal to or larger than a second determination value, supply power to the three-phase stator coil of the assist motor is stopped.
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