Boats and ships bank electric system

The utility model discloses a boats and ships bank electric system, including bank electricity inlet wire cabinet, potential device, variable frequency device, the supply cable, the shore connection box, the cable reels car, the cable of going on board, municipality net power supplying bus passes through bank electricity inlet wire cabinet and introduces potential device's input and/or variable frequency device's input, potential device and variable frequency device's output all is provided with a control switch, through potential device, power output end after the variable frequency device modulation has connected gradually the 2nd control switch, isolation transformer, the shore connection box, the shore connection box output is connected to the cable reels car and/or the cable of goingon board through quick plug connector. The utility model relates to a rationally, the bank electric system is succinct, can be simultaneously for a plurality of berths provide the power, power efficiency is high, and is with