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A Tutorial on Dynamics and Control of Power Systems with Distributed and Renewable Energy Sources Based on the DQ0 Transformation

1
The Andrew and Erna Viterbi Faculty of Electrical Engineering, Technion—Israel Institute of Technology, 3200003 Haifa, Israel
2
Department of Computer Systems, Tallinn University of Technology, Akadeemia tee 15a, 12618 Tallinn, Estonia
3
Shamoon College of Engineering, 84100 Beer-Sheva, Israel
*
Author to whom correspondence should be addressed.
Appl. Sci. 2018, 8(9), 1661; https://doi.org/10.3390/app8091661
Received: 24 August 2018 / Revised: 11 September 2018 / Accepted: 14 September 2018 / Published: 14 September 2018
(This article belongs to the Section Energy)

Abstract

In light of increasing integration of renewable and distributed energy sources, power systems are undergoing significant changes. Due to the fast dynamics of such sources, the system is in many cases not quasi-static, and cannot be accurately described by time-varying phasors. In such systems the classic power flow equations do not apply, and alternative models should be used instead. In this light, this paper offers a tutorial on the dynamics and control of power systems with distributed and renewable energy sources, based mainly on the dq0 transformation. The paper opens by recalling basic concepts of dq0 quantities and dq0-based models. We then explain how to model and analyze passive networks, synchronous machines, three-phase inverters, and how to systematically construct dq0-based models of complex systems. We also highlight the idea that dq0 models may be viewed as a natural extension of time-varying phasor models, and discuss the correct use and validity of each approach. View Full-Text
Keywords: power systems; renewable energy; dq0 transformation; dynamics; power flow; time-varying phasors power systems; renewable energy; dq0 transformation; dynamics; power flow; time-varying phasors
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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MDPI and ACS Style

Levron, Y.; Belikov, J.; Baimel, D. A Tutorial on Dynamics and Control of Power Systems with Distributed and Renewable Energy Sources Based on the DQ0 Transformation. Appl. Sci. 2018, 8, 1661.

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