The present disclosure relates to a switching circuit, an off-grid/grid-connected circuit, and a grid-connection/disconnection control method. The switching circuit can reasonably control turn-on and turn-off of a contactor on a power supply circuit throug...

The present disclosure relates to an apparatus and method for identifying a physical location of a battery pack, and a photovoltaic power plant commissioning addressing method. The apparatus for identifying a physical location of a battery pack and method ...