一种35kV电能质量调节装置的研究及其应用

A Kind of 35 kV Power Quality Regulation System Research and Its Application

以工程应用为背景,用一组单调谐滤波器代替了传统的注入式混合型有源电力滤波器结构中的注入电容,增强了系统稳定性并提高了系统的补偿效果,给出了应用于高压电力系统的串联注入式混合型有源电力滤波器(SIHAPF)的结构及原理,分析了该系统基于复合校正的无差拍控制方法及应用于程序的调制脉宽,介绍了主电路参数设计和器件选型。最后,针对某变电站谐波及无功的实际情况,给出了该滤波器的具体实现方案。现场运行数据表明,设计方案和实验装置有效且可靠。

Based on engineering application, a group of single tuned filter replace the traditional capacitance in the hybrid active power filter, enhance the stability of the system and improving the compensation effect of the system, a topological structure suitable for high voltage power system is put forward, the control method based on the compound adjustment is analysed and the pulse width modulation for program is given.The main circuit parameter design and the selection of the instruments are introduced.At last, according to actual harmonic situation of a substation ,the spe- cific application scheme is given.The site operation data shows the design scheme and test device are efficiency and reliability.