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因为在挂仿真器调试的时候,当暂停程序时,ePWM的输出处于不确定的状态,因为您在停止的时候,此时PWM维持当时的状态,或高或低,因此可能导致IGBT烧毁。
建议您先不要挂功率板,当把程序调试好后,将程序烧写到芯片中,不要挂仿真器调试。