大型石化配电系统谐波分析与治理

作者：张军梁 1,2,马 皓1 日期：2007-08-31/span> 浏览：4053 查看PDF文档

                                                      大型石化配电系统谐波分析与治理
                                                              张军梁 1,2,马 皓1
(1.浙江大学 电气工程学院，浙江 杭州 310027; 2.镇海炼油化工股份有限公司，浙江 镇海 315207)

摘 要：通过检测和分析石化配电系统中的谐波，指出石化配电系统产生谐波的主要因素是变频器、不间断电源和高压汞灯，提出利用多重化技术减少谐波和采用LC滤波器、有源滤波器治理谐波的方案。根据对电容器与谐波相互影响的分析，提出了在配电系统中结合LC滤波器来合理选择电容器的谐振点谐波次数的改进措施。
关键词：石化配电系统；谐波；电容器

            Harmonic analysis for power distribution system of largescale petrochemical enterprise
                                              ZHANG Junliang1,2, MA Hao1
          (1.College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China;
            2.Sinopec Zhenhai Refining and Chemical Co. Ltd., Zhenhai 315207, China)

Abstract: Based on harmonic detecting and analysis of power distribution system of petrochemical enterprise, it shows that the main sources in the power distribution system of petrochemical enterprise are frequency converter, UPS and HID. Multiple technique, LC filter and active filter strategy were proposed to reduce harmonic component. Based on analysis of the relation between capacitor and harmonic component, the improved strategy of selecting resonant frequency of LC filter in the power distribution system of petrochemical enterprise was proposed.
Key words: power distribution system of petrochemical enterprise; harmonic; capacitor