Energy management strategy of field power station based on differential hysteresis voltage stabilization

Abstract

The existing field power stations mainly use diesel generator sets for power supply, with poor power supply stability and no uninterrupted power supply capability. Therefore, a hybrid energy storage device is introduced into the field power station to improve it. According to the working characteristics of different energy sources, an energy management strategy based on differential hysteresis voltage stabilization is proposed. Hysteresis voltage stabilization control makes it true that the diesel generator set as the main energy source works for a long time, and the battery as a backup energy source works when necessary. Differential voltage stabilization control realizes coordination control of the two, which allows the battery to exit work smoothly. The strategy can get transient stability and stable economy, and extend the life of the battery. Simulation results show that this strategy is superior to the traditional hysteresis voltage stabilization strategy.