NDLI: Deterministic aggregated harmonic source models for harmonic analysis of large medium voltage distribution networks

Content Provider	IET Digital Library
Author	Bosovic, Adnan Renner, Herwig Abart, Andreas Traxler, Ewald Meyer, Jan Domagk, Max Music, Mustafa
Abstract	Modelling of harmonics in large medium voltage (MV) distribution networks has so far been a challenge due to the presence of a large number of harmonic sources contributing to total harmonic voltages. This study proposes a deterministic methodology of modelling harmonics in large real MV distribution networks using aggregate harmonic source models parameterised based on measurements and results from the literature. In this research, background harmonic voltages from the sub-transmission system are parameterised based on measurements in the analysed network. Aggregate harmonic current emission of different customer categories in low-voltage (LV) networks (households and small commercial customers) parameterised based on several measurements in LV networks was dominated by residential or office customer type configurations. The harmonic current emission of industrial customers is parameterised based on the results from published literature. Two methods for modelling harmonic sources are used and compared: (i) modelling according to the IEC 61000-3-6 summation law and recommended summation exponents and (ii) modelling using complex phasors. The results of the models show a good match with the measurements from power quality monitors installed in the analysed MV network. Based on these results, the method according to the IEC 61000-3-6 is recommended for large MV distribution networks.
Starting Page	4421
Ending Page	4430
Page Count	10
ISSN	17518687
Volume Number	13
e-ISSN	17518695
Issue Number	Issue 19, Oct (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/13/19
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2018.7120
Journal	IET Generation, Transmission & Distribution
Publisher Date	2019-08-16
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Aggregate Harmonic Current Emission Aggregate Harmonic Source Model Analysed MV Network Analysed Network Background Harmonic Voltage Commercial Customers Deterministic Methodology Different Customer Categories Distribution Network Harmonic Analysis Harmonic Distortion Harmonic Source Harmonics IEC Standards Low-voltage Network LV Network Medium Voltage Distribution Network MV Distribution Network Power Distribution Fault Power Supply Quality Power System Harmonics Power System Measurement Power System Measurement And Metering Residential Office Customer Type Configurations Total Harmonic Voltage
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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