NDLI: Autonomous power electronic interfaces between microgrids

Content Provider	IEEE Xplore Digital Library
Author	Bala, S. Venkataramanan, G.
Copyright Year	2009
Description	Author affiliation: University of Wisconsin-Madison, 1415 Engineering Dr, 53706, USA (Venkataramanan, G.) \|\| ABB Corporate Research, 940 Main Campus Dr, Raleigh, NC 27606, USA (Bala, S.)
Abstract	The use of back-to-back (BTB) voltage source converters (VSCs) to interface large scale asynchronous ac power systems is well established. BTB VSCs also provide a convenient means to interface small scale microgrids and the utility power grid. The relatively small size of such interfaces and broad scale of their application would mandate autonomous fast operation based on the health of the microgrids, although their preferred operating points (set-points) may be dispatched from relatively slow supervisory systems. This paper presents a method to control such interfaces so as to preserve microgrid-like operation of each ac system and to autonomously transfer power across the interfaces. The paper describes the control architecture, analytical model, and design method that ensure robust operation. We demonstrate the design of a 2-microgrid interface using a dynamic phasor model, which we show to be more accurate than the reduced order VSC model commonly used in microgrid analyses. The interface can also alter the steady state power flow between microgrids to suit energy management strategies in a smart grid. Finally, we present simulation and experimental test results of the interface operation.
Starting Page	3006
Ending Page	3013
File Size	1726536
Page Count	8
File Format	PDF
ISBN	9781424428939
DOI	10.1109/ECCE.2009.5316062
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-20
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Microgrids Converters Control systems Power electronics Power grids Power conversion Power system modeling Analytical models Back-toback interface Voltage Voltage source converters Large-scale systems Power systems
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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