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首页> 外文期刊>IEEE sensors journal >Synchrophasor Sensors Assisted Novel Algorithm for Power System Protection Reinforcement and Health Monitoring
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Synchrophasor Sensors Assisted Novel Algorithm for Power System Protection Reinforcement and Health Monitoring

机译：同步传感器辅助电力系统保护强化和健康监测的新算法

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摘要

This paper proposes a synchrophasors assisted novel algorithm for power system protection from various disturbances and health monitoring under critical conditions, as well as reinforcing the protective system by supervising and guiding the relays. The proposed algorithm, as a wide-area backup protection system, monitors the power system health using the generator rotor angle and the bus voltage phasors and thus detects a disturbance using the absolute value of generator rotor angle deviation (vertical bar Delta delta(gi)vertical bar). The disturbance is classified into fault, stressed condition or unstable condition using Delta delta(gi). During the fault or the stressed condition, the disturbance associated bus (parent bus) is identified using Voltage Sensitive Coefficient (VSC) to supervise and guide the operation of appropriate Undervoltage/Overvoltage (UV/OV) relays. For achieving this, the proposed algorithm employs the data received at Phasor Data Concentrator (PDC) in Wide-Area Protection System (WAPS) from all Synchrophasor Measurement Units (SMUs). The performance of the algorithm is tested on the New England IEEE-39 bus system. The results evince that the proposed algorithm at WAPS detects and classifies the disturbance efficiently besides monitors the health accurately and reinforces the protection reliability.
机译：本文提出了一种同步电力系统保护的电力系统保护算法，从临界条件下采用各种扰动和健康监测，并通过监督和引导继电器加强保护系统。所提出的算法，作为广域备份保护系统，使用发电机转子角度和总线电压相位器监控电力系统运行状况，从而使用发电机转子角度偏差的绝对值来检测干扰（垂直条Δδ（GI）垂直条）。使用Delta Delta（GI），这种干扰被分为故障，压力或不稳定状态。在故障或压力条件期间，使用电压敏感系数（VSC）来识别干扰相关总线（父总线）来监督和指导适当的欠压/过压（UV / OV）继电器的操作。为了实现这一点，所提出的算法采用来自所有同步射科测量单元（SMU）的广域保护系统（WAP）中的Phasor数据集中器（PDC）处接收的数据。在新英格兰IEEE-39总线系统上测试了算法的性能。结果Evince Evince，除了准确监测健康之外，WAP中所提出的算法检测和分类干扰，并强化保护可靠性。

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