Medium-voltage direct-current energy storage system for thermal power plant

The invention provides a medium-voltage direct-current energy storage system for a thermal power plant, and relates to the technical field of medium-voltage direct-current energy storage. The medium-voltage direct-current energy storage system for the thermal power plant comprises a thermal power system and an energy storage control system. The energy storage control system is divided into two synchronous but independent module control ends, the two synchronous but independent module control ends conduct monitoring synchronously but only dominate, the operation stability is guaranteed, control over current and voltage is achieved through a two-group monitoring and one-way control method, and therefore control and protection of the energy storage system are achieved. The system has the fault blocking and switching capability during high-voltage direct-current short circuit, improves the operation stability of a unit, improves the benefits of a power plant, intelligently cools an energy storage assembly, conver