NDLI: Optimal use of power electronic interfaces for loads in distributed systems

Content Provider	IEEE Xplore Digital Library
Author	Jelani, N. Molinas, M.
Copyright Year	2010
Description	Author affiliation: Norwegian University of Science and Technology, Department of Electric Power Engineering, Trondheim, Norway (Jelani, N.; Molinas, M.)
Abstract	This article investigates how power electronic interfaces for loads provide reactive power in case of abnormal voltage conditions. An evaluation of voltage support is done for different values of voltage sags when the power electronic interface provides with reactive current. The stability margins of the distributed system are investigated for different types of loads and it is proved that the higher the share of controlled constant power loads in the system the higher the critical clearing time of the voltage. The incremental current rating of the converter when providing additional reactive current is investigated. Comparison is made between a centralized STATCOM and distributed reactive current compensation implemented in the form of controlled constant power loads, it is observed that it is always advantageous to use distributed compensation because the amount of reactive current injected is lower for achieving the same stability margins of the system.
Starting Page	2449
Ending Page	2454
File Size	594543
Page Count	6
File Format	PDF
ISBN	9781424463909
e-ISBN	9781424463923
DOI	10.1109/ISIE.2010.5637624
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-04
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Converters Resistance Load modeling Automatic voltage control Induction motors Stability analysis STATCOM Distributed Energy Systems Constant Power Loads Voltage Source Converters
Content Type	Text
Resource Type	Article

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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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