有源滤波器实用化保护电路与方法的研究

对电力有源滤波器实用化过程中的各种保护电路和方法进行了研究,介绍了启动过程中电压电流渐变式控制的保护方案,正常运行过程中逆变器主回路的过流、过压、du/dt、di/dt、过热等预防保护,装置自身故障时刻的紧急保护,并通过大量仿真和实验验证了上述保护电路和方法的可行性和效果,确保了有源滤波器的安全稳定运行,为实现其工业化奠定了基础。

Research on Protection Circuit & Method of APF Application

This paper introduces the voltage and current gradual-change control Protection method of APF startup process,the preventable protection of over current,over voltage,du/dt,di/dt,and over heat are presented in normal process.At the same time,through a series of simulations and experiments,the feasibility and impact of the protection methods have been validated,safety & stability operation of APF has been ensured,and industrial base has been laid.