电力系统通用安控策略整定方法的研究

发布时间：2018-01-20 05:06

本文关键词： 安控策略线性模型暂态稳定动态稳定热稳定　出处：《电力系统保护与控制》2015年04期 　论文类型：期刊论文

【摘要】：为解决当前查表式安控策略存在的严重故障计算量大、整定和维护复杂的问题,提出了一种基于公式计算的通用安控策略整定方法。针对不同网架结构下可能出现的暂态稳定、动态稳定和热稳定问题,研究了不同稳定形式下的所需安控措施量及影响因素,建立了一种可修订参数的反映电网安控量与断面潮流关系的线性模型,并提出了关键参数的整定方法。利用单机等面积定则证明了暂态稳定下断面潮流和安控量呈"凹曲线"的关系,为暂稳下关键参数的取值范围和直线模型提供了依据。实际电网应用案例表明了所提方法较传统方法整定更简便、物理意义更加清晰,具有较好的适用性。
[Abstract]:In order to solve the problem of large amount of serious fault calculation and complex setting and maintenance of the current safety control strategy of look-up table. This paper presents a general safety control strategy tuning method based on formula calculation, which aims at the transient stability, dynamic stability and thermal stability of different grid structures. This paper studies the quantity of safety control measures and its influencing factors under different stability forms, and establishes a linear model which can be revised to reflect the relationship between power network safety control quantity and cross-section power flow. The method of setting key parameters is put forward, and the relation between cross-section power flow and safety control under transient stability is proved by using single machine equal area rule. The practical application cases show that the proposed method is easier to set than the traditional method, and the physical meaning is clearer and has better applicability.
【作者单位】：华北电力大学;南京南瑞集团北京监控技术中心;华北电网有限公司;
【分类号】：TM712
【正文快照】： 3.华北电网有限公司,北京100053)0引言“三道防线”是我国电网长期安全稳定运行的成功经验,其中第二道防线主要指采用稳定控制装置及切机、切负荷等紧急控制措施,确保电网在发生概率较低的严重故障时能继续保持稳定运行。安全稳定控制策略是安全稳定措施的具体体现形式,也是安

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