摘要
为保证系统安全,提出当断面输电裕度不足时,应将提高系统输电能力作为实时调度的决策目标。针对该目标,建立了相应的实时应急调度决策模型。分别针对单断面静态安全、单断面暂态安全、多断面静态安全以及综合安全模式等不同模式,采用了不同的求解算法。特别地,对于综合模式,采用排队法给出了Pareto最优解。测试和实际系统算例分析表明,所述算法可以使系统转向输电裕度更大的运行点,从而使得电网的输电能力得到充分利用,减少了预防和校正控制成本。
An enhanced control method of real-time power dispatch is proposed to improve the system security in case of the total transfer capability （TTC） of certain interfaces lower than its margin. Improving the TTC is taken as the object in this method, which can cope with different situations, such as one or more interfaces exceeding the TTC margin. In particular, this method can provide a valuable Pareto solution for the multiple interface case. The feasibility and applicability of the proposed method are proved with the numerical tests of IEEE 39-bus system and an actual power system in Central China.
出处
《电力系统自动化》
EI
CSCD
北大核心
2008年第17期12-17,共6页
Automation of Electric Power Systems
基金
国家重点基础研究发展计划(973计划)资助项目(2004CB217904)
国家自然科学基金资助项目(50707013)~~
关键词
安全预警
实时调度
极限传输容量
灵敏度分析
early security warning
real-time dispatching
total transfer capability
sensitivity analysis
