The influence of EV dynamic charging power on microgrid and the optimal control method

Aiming at the load fluctuation problem of microgrid nowadays, we can use the electric vehicles (EV) for peak shaving and valley filling, then we put forward the dynamic charging power method with photovoltaic integrated parking lot. In this paper, the economic benefits of photovoltaic integrated parking lot, the load fluctuation of microgrid and the user satisfaction are considered comprehensively in the cost function. Through the optimized fruit fly algorithm, the cost function is minimized in the continuous iteration, and the approximate optimal control strategy is obtained. The simulation results show that this method can give attention to both economic and microgrid load stability and meet the user satisfaction at the same time, for the optimal dynamic charging power, The photovoltaic power generation in the parking lot can provide some electricity which can reduce the burden of charging.