一种新的基于线路负荷的电压稳定分析指标

Kadir Doğanşahin
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引用次数: 0

摘要

电压稳定一直是电力系统规划和运行中一个非常重要的问题,但在今天,电压稳定问题更加严重。电力系统正处于转型期。电力系统由传统的集中式配置向分散式、放松管制的形式转变。不同行业的电气化正在加速对电能需求的增长。不断增长的能源需求、不同的消费特征和多样化的消费者使电力系统的运行更加复杂。所有这些转变都是在经济和环境问题日益严重的阴影下发生的。因此,采用的一般方法是从现有系统中获得最大可能的利益,而不是建造新的设施。因此,它的目的是操作系统接近限值尽可能多。需要更精确地检查接近极限值运行的系统的电压稳定性。文献中有许多电压稳定指标。然而,其中大多数都是基于各种无知或假设。本文提出了一种基于线路负荷并考虑多种线路参数的新指标。已观察到,所建议的指数给出一致的结果,在所有不同的条件和不同的加载类型。
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A new line stability index for voltage stability analysis based on line loading
Voltage stability has always been a very important issue in the planning and operation of pow- er systems, but today it is much more serious. Power systems are in a transition period. The conventional centralized configuration of the power system has been transforming into a de- centralized and deregulated form. The electrification of different sectors is accelerating the increase in demand for electrical energy. Increasing energy demand, differentiating consump- tion profiles, and diversifying consumers have made power system operations more complex. All these transformations take place in the shadow of rising economic and environmental con- cerns. Therefore, a general approach has been adopted to derive the greatest possible benefit from existing systems, rather than constructing new facilities. As a result, it is aimed to operate the systems close to limit values as much as possible. The voltage stability of systems operating close to the limit values needs to be examined more precisely. There are many voltage stability indices in the literature. However, most of them are based on various ignorance or assumptions. In this study, a new index is proposed, which is based on line loading and considering multiple line parameters. It has been observed that the suggested index gives consistent results in all varying conditions and different loading types.
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