基于有源节点序阻抗模型的风电场稳定性分析及其振荡参与风险评估方法  

Stability Analysis and Resonance Participation Risk Assessment of Wind Farm Based on Active Node Sequence Impedance Model

作　　者：张东辉 陈新[1] 张旸[1] 陈杰[1] 汪海蛟 何国庆 郭小龙 ZHANG Donghui;CHEN Xin;ZHANG Yang;CHEN Jie;WANG Haijiao;HE Guoqing;GUO Xiaolong(Jiangsu Key Laboratory of New Energy Generation and Power Conversion(Nanjing University of Aeronautics&Astronautics),Nanjing 210016,Jiangsu Province,China;State Key Laboratory of Operation and Control of Renewable Energy&Storage Systems(China Electric Power Research Institute),Haidian District,Beijing 100192,China;State Grid Xinjiang Electric Power Co.,Ltd.,Urumqi 830002,Xinjiang Uygur Autonomous Region,China)

机构地区：[1]江苏省新能源发电与电能变换重点实验室(南京航空航天大学),江苏省南京市210016 [2]新能源与储能运行控制国家重点实验室(中国电力科学研究院有限公司),北京市海淀区100192 [3]国网新疆电力有限公司,新疆维吾尔自治区乌鲁木齐市830002

出　　处：《中国电机工程学报》2023年第10期3832-3843,共12页Proceedings of the CSEE

基　　金：国家自然科学基金项目(52277186)。

摘　　要：阻抗模型由于物理意义清晰广泛应用于风电场多机网络的稳定性分析,但在研究结构较为复杂的风电场时仍存在维数高、分析难度大和拓展性差的不足,同时现有分析方法难以实现风电场中各有源节点的振荡参与度定量描述。该文以有源节点和无源网络间的交互为切入点,提出一种适用于多节点复杂网络的稳定判据与振荡参与风险评估方法。首先,依据风电场序阻抗网络模型划分有源节点和无源网络,分析单机有源装备和无源网络的自稳性与导纳间的关系,在基于有源多节点等价模型基础上推导风电场序阻抗网络稳定判据;同时,定义各有源节点在扰动频率和耦合频率下的振荡参与因子,实现考虑耦合频率影响下的风电场振荡风险评估。最后,应用具体的算例验证所提分析方法的有效性。The impedance model is widely used in the stability analysis of multi-machine networks in wind farms(WFs)because of its clear physical meaning,but it still suffers from high dimensionality,high analytical difficulty,and poor scalability when studying WFs with more complex structures,and it’s difficult to quantitatively describe the resonance participation of each active node in WFs by existing analytical methods.In this paper,a stability criterion and resonance participation risk assessment method for complex multi-node networks based on the interaction between active and passive networks is proposed.First,the active nodes and passive networks are divided according to the WFs sequential impedance network model,and the relationship between the self-stability and the conductance of the single active equipment and the passive network is analyzed;the stability criterion of the WFs sequential impedance network is derived based on the active multi-node equivalence model,and the resonance participation factor of each active node under the disturbance frequency and the coupling frequency is defined,the resonance participation of the WFs under the influence of the coupling frequency is realized.Finally,the effectiveness of the proposed analysis method is verified by applying specific examples.

关 键 词：风电场 有源节点 无源网络 频率耦合 振荡风险评估 

分 类 号：TM712[电气工程—电力系统及自动化]