不同控制条件下的全局电网无功电压闭环控制仿真

周华锋; 王彬; 顾慧杰; 郭庆来; 赵旋宇; 孙宏斌; 汤磊

引用本文:	周华锋,王彬,顾慧杰,等.不同控制条件下的全局电网无功电压闭环控制仿真[J].电力系统保护与控制,2014,42(14):138-145.
	ZHOU Hua-feng,WANG Bin,GU Hui-jie,et al.Simulation for global power system voltage closed-loop control with different control conditions[J].Power System Protection and Control,2014,42(14):138-145

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不同控制条件下的全局电网无功电压闭环控制仿真
周华锋¹, 王彬², 顾慧杰¹, 郭庆来², 赵旋宇¹, 孙宏斌², 汤磊²
1.中国南方电网电力调度控制中心，广东广州 510623;2.清华大学电机系电力系统国家重点实验室，北京100084

摘要:

结合工程实践，建立了网省地全局电网闭环控制仿真系统。介绍该仿真系统的数据流程及功能框图，使用单断面仿真和连续断面仿真两种方式模拟了无控制、独立控制、协调控制等不同控制条件下的电网运行状态变化，研究分析不同的控制条件对系统网损、电压稳定裕度、联络关口无功等指标的影响。仿真结果表明：通过对各级自动电压控制系统控制目标和控制行为的协同，可有效避免控制振荡，消除网间不合理的无功流动。

关键词: 电力系统多控制中心协调控制闭环仿真自动电压控制

DOI：10.7667/j.issn.1674-3415.2014.14.023

分类号:

基金项目:国家科技支撑计划（2013BAA01B03）；国家杰出青年科学基金（51025725）；国家自然科学基金(51277105)资助项目；新能源电力系统国家重点实验室开放课题（LAPS13007）；南方电网公司科技项目（K-ZD2012-014）

Simulation for global power system voltage closed-loop control with different control conditions

ZHOU Hua-feng¹, WANG Bin², GU Hui-jie¹, GUO Qing-lai², ZHAO Xuan-yu¹, SUN Hong-bin², TANG Lei²

1.China Southern Power Grid Dispatching Control Center, Guangzhou 510623, China;2.State Key Lab of Power Systems, Dept of Electrical Engineering, Tsinghua University, Beijing 100084, China

Abstract:

Combining with engineering practice, this paper develops the closed-loop control simulation system. The data flow and functional diagram of simulation system are introduced. The single section simulation method and continuous section simulation method are used to simulate the running state of power system, with three different control conditions, including no control, independent control and coordinated control. By the contrast analysis, this paper researches the influence of control condition to system loss, voltage stability margin and tie line reactive power. The simulation results indicate that the coordination among multi-level hierarchical control systems can effectively avoid the control oscillation and reduce the irrational reactive power flow between the higher power system and the lower power system.

Key words: power system multi-level hierarchical control centers coordination control closed loop simulation automatic voltage control

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