Error reduction of phasor measurement unit data considering practical constraints

被引：15

作者：

Chatterjee, Paroma ^{[1
]}

Pal, Anamitra ^{[1
]}

Thorp, James S. ^{[2
]}

Lopez, Jaime De La Ree ^{[2
]}

Centeno, Virgilio A. ^{[2
]}

机构：

[1] Arizona State Univ, Sch Elect Comp & Energy Engn, Tempe, AZ 85287 USA

[2] Virginia Polytech Inst & State Univ, Bradley Dept Elect & Comp Engn, Blacksburg, VA 24061 USA

来源：

IET GENERATION TRANSMISSION & DISTRIBUTION | 2018年 / 12卷 / 10期

关键词：

phasor measurement; power transmission control; power transmission protection; instrument transformers; potential transformers; current transformers; calibration; voltage measurement; power supply quality; phasor measurement unit data error reduction; wide area measurement system; PMU data; high-voltage transmission network control; high-voltage transmission network protection; high-voltage transmission network monitoring; IT; current transformer calibration; voltage transformer calibration; quality voltage measurement; CURRENT TRANSFORMERS; STATE ESTIMATION; CALIBRATION;

D O I：

10.1049/iet-gtd.2017.1359

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Wide area measurement system relies on phasor measurement unit (PMU) data to monitor, protect, and control high-voltage transmission networks. However, errors in instrument transformers (ITs) located at the inputs of a PMU can significantly degrade its output quality. This study proposes two methodologies for voltage and current transformers calibration using PMU data. The first method calibrates ITs using one good quality voltage measurement located at a tie-line. This method tolerates errors in both the ITs (which are to be estimated) as well as the PMUs. The second method attains the same objective as the first one, with the additional constraint that some portion of the data is unusable. Thus, the second method can be used even when the incoming data is intermittent.

引用

页码：2332 / 2339

页数：8

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