Energy storage apparatus of high capacity vanadium battery used for offshore petroleum platform

The utility model relates to an energy storage apparatus of a high capacity vanadium battery used for an offshore petroleum platform, comprising a high capacity vanadium battery and a bidirectional current transformer, wherein the bidirectional current transformer is formed by a voltage converting circuit, an inverter and a filter which are orderly connected, the voltage converting circuit and the inverter are respectively connected with a control system, the high capacity vanadium battery is provided with a monitor system, and the monitor system comprises an embedded microcomputer, and a charging current detection module, a vanadium battery voltage detection module, an environment temperature detection module, an output voltage detection module, an alarm module, a communication interface, a keyboard and a display which are all connected with the embedded microcomputer. The energy storage apparatus can immediately supply electric power when the power grid breaks down, thereby enabling the offshore petroleum p