面向谐波分析的电力系统数字仿真系统研究

摘要

随着现代电网规模的不断扩大和谐波污染的不断加深,对电力系统中的谐波进行仿真分析的需求越来越迫切.针对现有电力系统数字仿真系统在谐波分析功能完整性和扩展性方面存在的不足,结合计算机可视化技术、Web技术和谐波分析技术,探讨并设计了面向谐波分析的电力系统数字仿真系统.该系统充分考虑谐波分析和用户的使用需求,支持传统和新型的谐波分析模型,采用SVG和JavaScript技术支撑单线图的可视化绘制,采用SVG和JavaScript实现结果的可视化.文中给出的仿真实例验证了面向谐波分析的电力系统数字仿真系统的可行性.该系统能够有效支撑多种类型的谐波分析,增强谐波分析的直观性,并具有良好的交互性和可扩展性.%With the continuous expansion of China's power gird and the deepening harmonic pollution,there is an ever-increasing demand for the simulation analysis of harmonics in power systems.In view of the shortcomings of existing power system digital simulators in terms of the integrity and scalability of harmonic analysis,a harmonic analysis oriented power system digital simulator is investigated and designed by combing computer visualization techniques,Web techniques and power system simulation techniques.By fully considering harmonic analysis and user requirements,both traditional and new harmonic analysis models are supported,SVG and JavaScript are used to support the drawing of one-line diagrams and visualize the results.The feasibility of the harmonic analysis oriented power system digital simulator is verified by an instance.The simulator can achieve multiple types of harmonic analysis,enhance the visualization of harmonic analysis,and has good interactivity and extensibility.