NDLI: Dynamic characteristics of a hybrid microgrid with inverter and non- inverter interfaced renewable energy sources: A case study

Content Provider	IEEE Xplore Digital Library
Author	Jayawardena, A.V. Meegahapola, L.G. Perera, S. Robinson, D.A.
Copyright Year	2012
Description	Author affiliation: Endeavour Energy Power Quality & Reliability Centre at the University of Wollongong, NSW, 2522, Australia (Meegahapola, L.G.; Perera, S.) \|\| School of Electrical, Computer and Telecommunications Engineering at the University of Wollongong, NSW, 2522, Australia (Jayawardena, A.V.) \|\| Sustainable Buildings Research Centre at the University of Wollongong, NSW, 2522, Australia (Robinson, D.A.)
Abstract	Microgrids are becoming important constituents of electric power distribution networks. Microgrids are typically comprised of both inverter interfaced (e.g. double-fed induction generator (DFIG), solar-photovoltaic (PV) system) and non-inverter interfaced (e.g. synchronous generator) renewable energy generators (REGs), hence their dynamic characteristics are significantly different from the conventional grids comprised of centralised synchronous generators. Different inherent characteristics of REGs, power dispatch levels, relative REG capacities, and external grid characteristics are some of the important features of significant interest in relation to microgrid dynamic behaviour. For this study a microgrid model was developed in DIgSILENT Power Factory based on the IEEE-13 bus system and comparative analysis has been carried out between inverter and non-inverter based REGs. The study has shown that variations in active power dispatch levels and generator relative sizing significantly influence dynamic characteristics of the microgrid hence adequate measures must be taken when designing protection schemes for microgrids. In addition, dynamic reactive power compensation and emulated frequency response schemes must be implemented in microgrids to preserve voltage and frequency stability when operating in islanded mode.
Starting Page	1
Ending Page	6
File Size	817562
Page Count	6
File Format	PDF
ISBN	9781467328685
e-ISBN	9781467328685
DOI	10.1109/PowerCon.2012.6401376
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-30
Publisher Place	New Zealand
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Inverters Generators Reactive power Power system stability Stability analysis Oscillators solar-photovoltaic (PV) Double-fed induction generator (DFIG) dynamic behaviour frequency stability mini-hydro power plant microgrid rate of change of frequency (ROCOF)
Content Type	Text
Resource Type	Article

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