考虑分接头振荡约束的分散电源准入容量计算  

Maximum Penetration Level Computation of Distributed Generators in Distribution Network Considering Tap Hunting Constraints

作　　者：王超[1] 胡骅[1] 何阳[1] 夏翔[2] 吴汕[2] 黄伟[1] 

机构地区：[1]浙江大学电气工程学院 [2]杭州市电力局,杭州310009

出　　处：《电力系统及其自动化学报》2007年第3期36-41,共6页Proceedings of the CSU-EPSA

基　　金：国家自然科学基金资助项目(50477032);浙江省科技攻关计划资助项目(2004C31023)

摘　　要：随着电力需求的持续增长,大量分散电源接入系统,如何准确计算准入容量以及评估分布式电源接入对系统的影响尤为必要。基于一个考虑有载调压变压器分接头动作特性的离散动态方程,研究分散电源对分接头动作稳定性的影响,提出了一种考虑分接头振荡约束的分散电源准入容量计算模型,并进行了考虑分散电源解列情况的准入容量计算,提出了使用无功补偿设备来提高准入容量的方法,并用二分法通过IEEE-112节点系统的仿真算例对此模型进行了求解,说明该模型的合理有效性。With many distributed generators connecting to power system for satisfying the increasing electricity demand, the maximum penetration level computation of distributed generators as well as the evaluation of their influence on power system becomes extremely necessary. Based on the discrete equation of the tap change under load （TCUL）transformers and the impact on the tap action caused by distributed generators, a optimization model is proposed considering tap hunting constraints. Furthermore, the computation of maximum penetration level is analyzed considering the distributed generators disconnected due to outage. It is also presented that reactive power compensation can improve the penetration level. The validity of the proposed model is proved by the simulation result from IEEE 112-bus system.

关 键 词：分散电源 分接头振荡 优化 准入容量 无功补偿 

分 类 号：TM714.3[电气工程—电力系统及自动化]