摘要
高比例新能源电源并网会导致电力系统电压具有波动性和随机性,从而使系统电压稳定性降低。新能源场站中,分布式同步调相机作为一种关键的无功补偿装置,对于增强系统电压稳定性具有显著作用。但是在当前的新能源电力系统中,如何以经济合理且可靠的方式配置这些分布式调相机,尚需深入探索。为此,文中提出了一种注重电压稳定性约束的新型分布式调相机选址与定容方法。首先,通过评估系统的静态电压稳定指标来指导调相机的最佳安装位置选择,确保所选位置能够最有效地提升系统电压支撑能力;其次,在选址确定的基础上,以最小化投资成本和最大化系统运行可靠性为目标,合理规划调相机的容量配置;最后,通过实际算例分析验证,这种方法不仅经济高效,而且为新能源电力系统的稳定运行提供了有力保障。
A high proportion of new energy power sources connected to the grid will lead to power system voltage with volatility and randomness,thus reducing system voltage stability.As a key reactive power compensation device in new energy stations,distributed synchronous regulators play a significant role in enhancing system voltage stability.However,in the current new energy power system,how to configure these distributed regulators in an economically reasonable and reliable way needs to be explored in depth.To this end,a new distributed regulator siting and capacity-setting method focusing on voltage stability constraints is proposed in the paper.First,the static voltage stability index of the system is evaluated to guide the selection of the optimal installation location of the regulator to ensure that the selected location can most effectively improve the system voltage support capability.Subsequently,on the basis of site selection,the capacity configuration of the regulator is reasonably planned with the objectives of minimizing the investment cost and maximizing the operational reliability of the system.Finally,through the analysis of actual cases,this method is not only economical and efficient,but also provides a strong guarantee for the stable operation of the new energy power system.
作者
王凯平
姜明磊
孙圣轩
朱蒙
佘新
郑慧聪
冯帆
WANG Kaiping;JIANG Minglei;SUN Shengxuan;ZHU Meng;SHE Xin;ZHENG Huicong;FENG Fan(Economic and Technological Research Institute of State Grid Jilin Electric Power Company Limited,Changchun Jilin 130000;School of Electrical Engineering,Northeast Power University,Jilin Jilin 132012)
出处
《东北电力大学学报》
2024年第5期112-120,共9页
Journal of Northeast Electric Power University
基金
国网吉林省电力有限公司经济技术研究院项目(SGJLJY00GPJS2400054)。
关键词
高比例新能源
电压安全
分布式调相机
灰狼算法
优化配置
high proportion of new energy
stabilization of voltage
synchronous condenser
grey wolf algorithm
optimize configuration
作者简介
第一作者:王凯平(1996-),男,硕士,助理工程师,国网吉林省电力有限公司经济技术研究院,主要研究方向:电力系统规划,15754411118@163.com;通讯作者:]孙圣轩(2001-),男,在读硕士研究生,主要研究方向:电力系统稳定分析与控制,15981444050@163.com。
