新能源高占比系统储能与无功补偿装置协调调压控制策略  

Coordinated Voltage Regulation Control Strategy of Energy Storage and Reactive Power Compensation Device for Renewable Energy High Percentage Systems

作　　者：曾东 张泽强 蔡其东 付豪 王立福 韩斌 甄钊 ZENG Dong;ZHANG Zeqiang;CAI Qidong;FU Hao;WANG Lifu;HAN Bin;ZHEN Zhao(State Grid Hami Electric Power Supply Company,Xinjiang Hami 839000,China;State Grid Xinjiang Electric Power Company,Urumqi 830000,China;Department of Electrical Engineering,Tsinghua University,Beijing 100084,China)

机构地区：[1]国网哈密供电公司,新疆哈密839000 [2]国网新疆电力有限公司,乌鲁木齐830000 [3]清华大学电机系,北京100084

出　　处：《电力电容器与无功补偿》2024年第3期9-19,共11页Power Capacitor & Reactive Power Compensation

基　　金：国家自然科学基金青年基金(52007092)。

摘　　要：针对新能源高占比系统新能源不确定性易引起电压越限甚至崩溃问题,提出储能与无功补偿装置协调调压控制策略。首先,采用基于多二元表的暂态电压稳定裕度指标,对扰动后系统各电压监测节点电压稳定裕度进行量化,设置稳定裕度门槛值判别电压稳定危险节点;其次,分别采用考虑泄流效应的无功补偿装置选取方法、基于节点电压灵敏度的储能电站选取方法及计及无功响应速度的紧急调压设备选取方法,对参与调压设备进行选择;然后,分别以最小化协调调压成本和最大化暂态电压稳定裕度为目标,建立匹配两类节点的经济和紧急协调调压控制模型;最后,设计基于改进10机39节点电力系统的仿真算例,验证所提调压策略对提升暂态电压的有效性。For the issue of the voltage overshoot and even collapse likely due to uncertainty of new energy of high proportion of new energy system,the coordinated voltage control strategy of energy storage and reactive power compensation device is proposed.Firstly,the transient voltage stability margin index based on multi-binary table is used to quantify the voltage stability margin of each voltage monitoring node of the system after disturbance,and the stability margin threshold is set to discriminate the voltage stability risk nodes;Then,the reactive power compensation device selection method considering the drain effect,the node voltage sensitivity-based energy storage plant selection method and the emergency regulator selection method taking into account the reactive power response speed are adopted respectively to select the equipment participating the voltage regulation;After that,the economic and emergency coordination and voltage regulation module which matches the two type of nodes is set up with the minimum coordination voltage regulation cost and maximum transient voltage stability margin as the target;Finally,a simulation example based on the improved 10-machine 39-node power system is designed to verify the effectiveness of the proposed voltage regulation strategy in enhancing the transient voltage.

关 键 词：新能源高占比系统 储能 协调调压 电压稳定裕度 

分 类 号：TM761.12[电气工程—电力系统及自动化]