期刊
INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS
卷 136, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijepes.2021.107653
关键词
Distribution network; Neural network; Power quality; Smart meter; Voltage distortion
资金
- Ministerio de Ciencia, Innovacion y Universidades, Spain [RTI2018-097424-B-I00]
This paper introduces a methodology for forecasting voltage total harmonic distortion (THD) at low voltage busbars of residential distribution feeders based on data from smart meters. The methodology provides relevant power quality indices using existing monitoring infrastructure for demand response operation. Different algorithms for voltage THD forecasting are implemented and their performance is tested and compared.
This paper introduces a methodology to forecast voltage total harmonic distortion (THD) at low voltage busbars of residential distribution feeders based on the data provided by a limited number of smart meters. The methodology provides relevant power quality indices to system operators using only the existing monitoring infrastructure required for demand response operation. Different algorithms for voltage THD forecasting are implemented, including artificial neural networks, and their performance is tested and compared. The necessary coverage of smart meters for the acceptable accuracy of the estimated THD is also established. The estimation algorithms are validated considering probabilistic demand load model developed based on typical harmonic injections of household devices obtained from measurements and using a typical European low voltage testfeeder with 471 residential consumers.
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