Multifunctional high-power energy storage test system

The utility model discloses a multifunctional high-power energy storage test system, which comprises a 10kV box transformer system, an energy storage converter and a test device, the 10kV box transformer system is electrically connected with the energy storage converter, the energy storage converter is electrically connected with an energy storage battery cabin, the test device is electrically connected with the 10kV box transformer system, the low-voltage side of a 10kV transformer in the 10kV box transformer system is connected with a 400V low-voltage cabinet and a 600V low-voltage cabinet, and the 400V low-voltage cabinet and the 600V low-voltage cabinet are respectively connected with the 400V low-voltage cabinet and the 600V low-voltage cabinet. The 400V low-voltage cabinet and the 600V low-voltage cabinet are connected into the energy storage converters through the dual-power-supply interlocking switch, voltage grades are selected through the change-over switch, the energy storage converters adopt dual