| CPC H02M 1/32 (2013.01) | 7 Claims |

|
1. A two-way AC power conversion device, configured to input or output a first AC power, comprising:
a digital control module for generating a control signal; and
a power conversion module setting the first AC power to be input or output according to the control signal;
wherein when the digital control module determines a real-time voltage signal of the first AC power is abnormal, the power conversion module switches to provide a ground voltage according to the control signal.
|