In order to solve the problems of low utilization rate of photovoltaics and en-ergy storage in conventional photovoltaics and energy storage air-conditioning system,a scheme of photovoltaics and energy storage integrated flexible direct current air-condition-ing system is proposed.This system can achieve integrated connection and control of the power grid side AC/DC,the energy storage side DC/DC and the motor side DC/AC at the DC side,which can simplify the system connection,ensure the photovoltaics optimization and the implementation of control strategy for energy storage charge/discharge under the conditions of grid-connected and off-grid of system.Through simulation modeling,it is verified that this control scheme can realize the stable operation of the photovoltaics and energy storage integrated flexible direct current air-conditioning system under the condi-tions of grid-connected and off-grid of system.
关键词
空调/光储直柔/直流母线/控制策略
Key words
air-conditioning/photovoltaics and energy storage integrated flexible direct current/direct current busbar/control strategy
万方数据