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首页> 外文会议>2010 9th International Conference on Environment and Electrical Engineering >Proper setting of underfrequency load shedding relays in industrial plants
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Proper setting of underfrequency load shedding relays in industrial plants

机译：适当设置工厂中的低频减载继电器

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摘要

Underfrequency relays are the most reliable tools for load shedding in active power generation deficiency conditions especially industrial power systems. In this paper, a new algorithm is proposed to set underfrequency load shedding relays based on transient stability studies (frequency dynamic study). The proposed algorithm utilizes a comprehensive transient stability module to find out the unwanted events which are not safe for the operation of the plant and the load shedding actions are unavoidable. Underfrequency load shedding relays are set in such a way that the power system preserves the electricity in service for critical loads and frequency is maintained in permissible limits. The application of the proposed method on a test case is described and the results and related discussions are presented.
机译：低频继电器是在有功发电不足的情况下（尤其是工业电力系统）减轻负载的最可靠工具。在本文中，基于瞬态稳定性研究（频率动态研究），提出了一种设置低频减载继电器的新算法。所提出的算法利用全面的暂态稳定性模块来找出有害事件，这些事件对于工厂的运行而言是不安全的，并且不可避免的会发生甩负荷动作。设置欠频减载继电器的方式应使电源系统在关键负载下保持供电，并且将频率保持在允许的范围内。描述了该方法在测试案例中的应用，并给出了结果和相关讨论。

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