Active stabilization methods of electric power systems with constant power loads: a review

WU, M; LU, DDC

Active stabilization methods of electric power systems with constant power loads: a review

WU, M LU, DDC

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Publication Type:: Journal Article
Citation:: Journal of Modern Power Systems and Clean Energy, 2014, 2 (3), pp. 233 - 243
Issue Date:: 2014-01-01

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Field	Value	Language
dc.contributor.author	WU, M	en_US
dc.contributor.author	LU, DDC https://orcid.org/0000-0003-2145-0580	en_US
dc.date.issued	2014-01-01	en_US
dc.identifier.citation	Journal of Modern Power Systems and Clean Energy, 2014, 2 (3), pp. 233 - 243	en_US
dc.identifier.issn	2196-5625	en_US
dc.identifier.uri	http://hdl.handle.net/10453/118642
dc.description.abstract	© 2014, The Author(s). Modern electric power systems have increased the usage of switching power converters. These tightly regulated switching power converters behave as constant power loads (CPLs). They exhibit a negative incremental impedance in small signal analysis. This negative impedance degrades the stability margin of the interaction between CPLs and their feeders, which is known as the negative impedance instability problem. The feeder can be an LC input filter or an upstream switching converter. Active damping methods are preferred for the stabilization of the system. This is due to their higher power efficiency over passive damping methods. Based on different sources of damping effect, this paper summarizes and classifies existing active damping methods into three categories. The paper further analyzes and compares the advantages and disadvantages of each active damping method.	en_US
dc.relation.ispartof	Journal of Modern Power Systems and Clean Energy	en_US
dc.relation.isbasedon	10.1007/s40565-014-0066-y	en_US
dc.rights	info:eu-repo/semantics/openAccess
dc.title	Active stabilization methods of electric power systems with constant power loads: a review	en_US
dc.type	Journal Article
utslib.citation.volume	3	en_US
utslib.citation.volume	2	en_US
utslib.for	0906 Electrical and Electronic Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
utslib.copyright.status	open_access	*
pubs.issue	3	en_US
pubs.publication-status	Published	en_US
pubs.volume	2	en_US

Abstract:

© 2014, The Author(s). Modern electric power systems have increased the usage of switching power converters. These tightly regulated switching power converters behave as constant power loads (CPLs). They exhibit a negative incremental impedance in small signal analysis. This negative impedance degrades the stability margin of the interaction between CPLs and their feeders, which is known as the negative impedance instability problem. The feeder can be an LC input filter or an upstream switching converter. Active damping methods are preferred for the stabilization of the system. This is due to their higher power efficiency over passive damping methods. Based on different sources of damping effect, this paper summarizes and classifies existing active damping methods into three categories. The paper further analyzes and compares the advantages and disadvantages of each active damping method.

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http://hdl.handle.net/10453/118642