一种用于UPS的大功率飞轮储能系统研究

Study for High Power Flywheel Energy Storage System Applied to UPS

设计了一种用于UPS的飞轮储能系统,简述了其系统结构,研究了高速飞轮充放电的控制策略.飞轮储能系统主要由高性能DSP、功率智能模块IPM组成控制系统,以PWM整流和PWM逆变电路组成实时控制充电主电路,采用空间电压矢量脉宽调制的控制方案;放电主电路采用PWM整流、直流升降压电路组成.充电时采用速度—电流—电压三闭环反馈控制,放电时采用电压—电流双闭环反馈控制.对飞轮电池充放电过程进行了仿真,仿真结果表明该系统具有良好稳态性能和动态调节特性.

A flywheel energy storage system is designed in this paper, and also the structure of the system is recounted concisely and the charge and discharge control strategy for high - speed flywheel is studied. The control system of this flywheel energy storage system is mainly composed of high - performance DSP and intelligent module IPM, which predigest the hardware right smart. Real - time control charging main circuit consists of PWM rectificati on circuit and PWM inverter circuit. Discharging main circuit consists of PWM rectification circuit and DC lifting voltage circuit. Namely speed- current - voltage three closed loop feedback control is utilized during charging and voltage - current Namely speed- current - voltage three closed loop feedback control is utilized during charging and voltage - current two closed loop feedback control is used in the cause of discharging. Charging and discharging processes are simulated finally, and the result indicates that the designed system in the paper has good steady state performance and dynamic regulation feature.