The power Angle and Phase Measurement Units based Wide Area Measurement System and its application

2007 iREP Symposium - Bulk Power System Dynamics and Control - VII. Revitalizing Operational Reliability Pub Date : 2007-12-26 DOI:10.1109/IREP.2007.4410573

Yuqing Jin, C. Qin, Feng Wu, Jingdong Han, Qun Xu, Deng-jun Yan, P. Ju

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引用次数: 8

Abstract

A new method for the measurement of the rotor angles and the phasors of power systems is proposed in this paper. Based on this method, the angle and phase measurement unit (APMU) has been developed. The rotor angles can be measured directly with speed signals of generators instead of being calculated with the power equations of the generator. Hence, the measurement precision of the rotor angle is improved. Based on the APMU and the Global Position System (GPS), a wide area measurement system (WAMS) has been constructed in the HeNan power grid (HNPG), China. The control center for the WAMS was also developed. The server in the control center collects the real-time data from all the APMUs, analyzes the operation state of the power network, records the dynamic responses of the power system under disturbances, and displays the information with the graphical user interface (GUI). The measurements were also applied in the detection of low frequency oscillation, on-line state estimation and parameter estimation of synchronous generators.

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基于广域测量系统的功率角和相位测量单元及其应用

本文提出了一种测量电力系统转子角和相量的新方法。在此基础上，研制了角度与相位测量单元(APMU)。转子角可以由发电机转速信号直接测量，而不是由发电机功率方程计算。从而提高了转子角的测量精度。基于APMU和全球定位系统(GPS)，在河南电网建设了广域测量系统(WAMS)。WAMS的控制中心也得到了发展。控制中心的服务器采集各apmu的实时数据，分析电网运行状态，记录电力系统在扰动下的动态响应，并通过图形用户界面(GUI)进行显示。该方法还应用于同步发电机的低频振荡检测、在线状态估计和参数估计。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2007 iREP Symposium - Bulk Power System Dynamics and Control - VII. Revitalizing Operational Reliability

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