我国电网支撑可再生能源发展的实践与挑战  

Practice and Challenge of Renewable Energy Development Based on Interconnected Power Grids

作　　者：陈国平[1] 李明节[1] 许涛[1] 张剑云[1] 王超[1] 

机构地区：[1]国家电网公司国家电力调度控制中心,北京市西城区100031

出　　处：《电网技术》2017年第10期3095-3103,共9页Power System Technology

摘　　要：结合我国电网近年来运行实践,对复杂互联电网特性进行了深入分析,概括当前电网主要特点,包括:故障影响呈现全局化、电网调节能力不断下降、电网抗扰动能力持续恶化、电力系统稳定形态更加复杂。对电网支撑可再生能源发展面临形势与存在问题进行了深入思考,包括关于未来电力系统构建、提升大电网仿真能力、优化系统运行控制策略和技术支撑手段、研究解决电力电子装置大规模并网引发的新稳定问题。文章旨在为新能源高比例接入情况下电力系统运行、分析、控制等研究提供思路和方向。Based on practice of grid operation in recent years, characteristics of complex interconnected power grids are analyzed, and main features of present power grids are summarized. These features include： fault effects with grid-wide characteristics, continuous decline of regulation capability, continuous deterioration of anti-disturbance ability, and increasing complication of stability mode. In-depth studies of future situation and existing problems for the power grids for supporting development of renewable energy are carried out. These studies include construction of future power system, improvement of simulation capability for large-scale power grid, optimized control strategies and technical support tools for power system operation, and solutions for new stability issues induced by large-scale grid-integration of power electronic devices. The purpose of this paper is to provide ideas and directions for operation, analysis and control of power systems under high renewable energy penetration scenario.

关 键 词：特高压交流 特高压直流 可再生能源 电力电子设备 稳定计算标准 系统保护 次同步振荡 超同步振荡 

分 类 号：TM71[电气工程—电力系统及自动化]