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A method exploiting direct communication between phasor measurement units for power system wide-area protection and control algorithms

机译:利用相量测量单元之间直接通信的电力系统广域保护和控制算法

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摘要

Synchrophasor measurements from Phasor Measurement Units (PMUs) are the primary sensors used to deploy Wide-Area Monitoring, Protection and Control (WAMPAC) systems. PMUs stream out synchrophasor measurements through the IEEE C37.118.2 protocol using TCP/IP or UDP/IP. The proposed method establishes a direct communication between two PMUs, thus eliminating the requirement of an intermediate phasor data concentrator, data mediator and/or protocol parser and thereby ensuring minimum communication latency without considering communication link delays. This method allows utilizing synchrophasor measurements internally in a PMU to deploy custom protection and control algorithms. These algorithms are deployed using protection logic equations which are supported by all the PMU vendors. Moreover, this method reduces overall equipment cost as the algorithms execute internally in a PMU and therefore does not require any additional controller for their deployment. The proposed method can be utilized for fast prototyping of wide-area measurements based protection and control applications. The proposed method is tested by coupling commercial PMUs as Hardware-in-the-Loop (HIL) with Opal-RT’s eMEGAsim Real-Time Simulator (RTS). As illustrative example, anti-islanding protection application is deployed using proposed method and its performance is assessed. The essential points in the method are: •  Bypassing intermediate phasor data concentrator or protocol parsers as the synchrophasors are communicated directly between the PMUs (minimizes communication delays). •  Wide Area Protection and Control Algorithm is deployed using logic equations in the client PMU, therefore eliminating the requirement for an external hardware controller (cost curtailment) •  Effortless means to exploit PMU measurements in an environment familiar to protection engineers
机译:相量测量单元(PMU)的同步相量测量是用于部署广域监视,保护和控制(WAMPAC)系统的主要传感器。 PMU通过使用TCP / IP或UDP / IP的IEEE C37.118.2协议输出同步相量测量值。所提出的方法在两个PMU之间建立了直接通信,从而消除了对中间相量数据集中器,数据介体和/或协议解析器的需求,从而确保了最小的通信等待时间,而无需考虑通信链路延迟。这种方法允许在PMU内部利用同步相量测量来部署定制保护和控制算法。这些算法使用所有PMU供应商都支持的保护逻辑方程式进行部署。此外,由于该算法在PMU内部执行,因此该方法降低了总体设备成本,因此不需要任何其他控制器来部署它们。所提出的方法可用于基于保护和控制应用的广域测量的快速原型制作。该提议的方法通过将商用PMU(硬件在环(HIL))与Opal-RT的eMEGAsim实时模拟器(RTS)耦合进行了测试。作为说明性示例,使用提出的方法部署了防孤岛保护应用程序并评估了其性能。该方法的要点是:•绕过相量数据集中器或协议解析器,因为同步相量直接在PMU之间进行通信(以最大程度地减少通信延迟)。 •在客户端PMU中使用逻辑方程式部署了广域保护和控制算法,因此消除了对外部硬件控制器的需求(削减了成本)•在保护工程师熟悉的环境中轻松地利用PMU测量

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