基于同步相量的高速开路检测归零算法

K. Ravikumar, A. Srivastava
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引用次数: 1

摘要

快速开路检测对于保证系统的生存性和防止大面积停电起着至关重要的作用。关键资产(如输电线路)的损失应迅速发现,并通过补救行动方案启动纠正行动,以保持系统稳定。严重故障或断路器误操作引起的线路跳闸等扰动会引起机器转子的振荡,从而导致功率波动,影响电力系统的稳定性。快速,准确的开路检测是必要的,以便及时启动自动纠正措施,以尽量减少系统影响并避免停电。现有的开路检测方法的速度和准确性限制了它们采取快速纠正控制行动的能力。本文提出了一种快速、安全、置零的算法,利用广域同步量测量来检测和声明线路开路状况。基于实际工业系统,对高压网络中常见的各种传输线拓扑结构进行了仿真。
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Zero-Setting Algorithm for High-Speed Open Line Detection Using Synchrophasors
Fast open line detection plays a critical role in ensuring system survivability and preventing wide-area blackouts. The loss of critical assets, such as transmission lines, should be quickly detected and corrective actions initiated through remedial action schemes to preserve system stability. Disturbances, such as line tripping caused by severe faults or breaker misoperation, can cause oscillations in machine rotors, resulting in power swings that affect power system stability. Quick, accurate open line detection is necessary to initiate automated corrective action in time to minimize system impacts and avoid blackouts. The speed and accuracy of existing open line detection methods limit their ability to take fast corrective control actions. This paper proposes a fast, secure, zero-setting algorithm to detect and declare open line conditions using wide-area synchrophasor measurements. Simulation results based on a real industrial system are presented for various transmission line topologies commonly found in high-voltage networks.
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