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Error Model in Single-Board Computer-Based Phasor Measurement Units
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DOI：10.1109/TIM.2020.2967245.png)
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摘要
En 中文
Phasor measurement units (PMUs) are measurement devices long used in transmission systems and today even more essential for a proper monitoring of distribution grids. The expected massive penetration of distributed energy resources (DERs) is slowly taking place, carrying along a new set of challenges that put to test traditional instruments and requiring more performance and flexibility to adapt to this evolving scenario. Cheap devices based on a single-board computer (SBC) are proving to be a valid alternative to traditional PMU architectures, able to combine together high-performance, great versatility, and low cost. However, such devices lack a proper modeling of their measurement errors that conversely would be extremely useful for improving their design and evaluate their performance in accordance with the relevant standards. This article intends to fill this gap by discussing the error sources and their effects on the observed signals. An analysis of error statistics is presented, in order to give a more complete metrological characterization.
Keyword:
Phasor measurement units
Synchronization
Data acquisition
Phase locked loops
Real-time systems
Global Positioning System
Economic indicators
Error analysis
error compensation
error correction
measurement uncertainty
phasor measurement units (PMUs)
power grid
power system measurements
system modeling
期刊
IF:
5.9
论文数:
2.0W
被引数:
5.8W
机构
引用论文
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