Journal
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
Volume 70, Issue -, Pages -Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIM.2020.3037949
Keywords
Harmonic distortion; harmonic emission; IEEE Std. 1459-2010; power definitions; power measurement; power quality
Funding
- Grant PO FESR Sicilia 2014-2020, Action 1.1.5, project title: Smart grids per le Isole Minori (Smart Grids for Small Islands) [08000PA90246, I-Sole CUP G99J18000540007]
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This article investigates the feasibility of using a simplified approach for harmonic emissions assessment at the PCC based on power ratio parameters. It discusses the behavior of additional parameters similar to those defined by IEEE Std. 1459-2010, and evaluates their effectiveness in different scenarios, taking into account measurement uncertainty. Simulation results on an IEEE benchmark power system support the study.
This article investigates the feasibility of using a simplified approach, based on the measurement of power ratio parameters, for harmonic emissions assessment at the point of common coupling (PCC). The proposed approach comes from the common concept of power factor correction and the definitions of the IEEE Std. 1459-2010, where line utilization and harmonic pollution levels are evaluated by means of ratios between the power quantities of the apparent power decomposition. In addition to the IEEE Std. 1459-2010 indicators, in this article, the behavior is studied of additional parameters that are conceptually similar to those defined by the IEEE Std. 1459-2010. The suitability of such parameters is discussed, for both single- and three-phase balanced/unbalanced cases, taking into account both their behavior in different scenarios and their effectiveness when the measurement uncertainty is taken into account. The study is supported by some simulation results that have been obtained on an IEEE benchmark power system, which allows reproducing linear and nonlinear load conditions, balanced and unbalanced operating conditions, and the presence of capacitors for power factor correction.
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