基于Cuk电路的蓄电池恒流放电装置及其控制设计

摘要

本文设计一种采用Cuk电路来实现蓄电池恒流放电的装置，该装置具有电路结构简单，稳流能力强，设定范围宽的特点。在分析该电路工作原理的基础上，对其控制系统进行设计，最后进行仿真验证。仿真结果表明在滞环控制下，基于Cuk电路的放电装置具有很好动态和稳态性能，且在蓄电池电压变化时，依然具有很好的稳流能力。%A discharge device based on Cuk circuit is proposed in the paper. The discharge device has some advantages such as simple circuit structure, steady flow ability and wide set range. The basic working principle of the circuit is analyzed, then the control system is designed. Simulation results show that the discharge device based on Cuk circuit has good dynamic and static performance, which can be stable current, when the battery voltage changes.