NDLI: A comparison between synergetic control and feedback linearization for stabilizing MVDC microgrids with constant power load

Content Provider	IEEE Xplore Digital Library
Author	Cupelli, Marco Moghimi, Mojtaba Riccobono, Antonino Monti, Antonello
Copyright Year	2014
Description	Author affiliation: Institute for Automation of Complex Power Systems, E.ON Energy Research Center RWTH Aachen University, Aachen, Germany (Cupelli, Marco; Moghimi, Mojtaba; Riccobono, Antonino; Monti, Antonello)
Abstract	This paper investigates the use of synergetic control for voltage stability of a DC microgrid where the loads are interfaced through power electronic converters fed from a DC power source. When tightly regulated, these loads exhibit a constant power load (CPL) behavior. CPLs have negative incremental impedance behavior which may lead to system instability. The synergetic control approach is compared with a linearizing feedback approach, which was investigated by the authors before and therefore serves as a reference case. Both of the selected approach achieve stability at large signal level and overcome hereby the limits of existing small signal approaches. Both of the selected control techniques act on the interface converters at the generator side and leave the load side converters untouched. The real time performance of the system and their controllers is observed on a MVDC microgrid which is implemented in Opal-RT.
Starting Page	1
Ending Page	6
File Size	578125
Page Count	6
File Format	PDF
ISBN	9781479977208
DOI	10.1109/ISGTEurope.2014.7028870
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-10-12
Publisher Place	Turkey
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Microgrid Constant Power Loads Microgrids DC-DC power converters Nonlinear control systems Power system stability Stability analysis Generators Voltage control System analysis and design DC power systems Asymptotic stability Negative feedback MVDC distribution systems Linear feedback control systems Mathematical model Closed loop systems Integrated circuit modeling Load modeling
Content Type	Text
Resource Type	Article

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