Emergency tap-blocking to prevent voltage collapse

Vournas, CD; Manos, GA

dc.contributor.author	Vournas, CD	en
dc.contributor.author	Manos, GA	en
dc.date.accessioned	2014-03-01T02:41:52Z
dc.date.available	2014-03-01T02:41:52Z
dc.date.issued	2001	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/30638
dc.subject	Emergency control	en
dc.subject	Load tap changers	en
dc.subject	Tap-blocking	en
dc.subject	Voltage collapse	en
dc.subject	Voltage stability	en
dc.subject.other	Emergency control	en
dc.subject.other	Emergency measures	en
dc.subject.other	Load tap changer	en
dc.subject.other	Long-term sensitivity	en
dc.subject.other	Long-term voltage instability	en
dc.subject.other	Tap changers	en
dc.subject.other	Tap-blocking	en
dc.subject.other	Voltage collapse	en
dc.subject.other	Voltage degradation	en
dc.subject.other	Voltage sensitivity	en
dc.subject.other	Voltage control	en
dc.title	Emergency tap-blocking to prevent voltage collapse	en
heal.type	conferenceItem	en
heal.identifier.primary	10.1109/PTC.2001.964741	en
heal.identifier.secondary	http://dx.doi.org/10.1109/PTC.2001.964741	en
heal.identifier.secondary	964741	en
heal.publicationDate	2001	en
heal.abstract	This paper proposes a technique for the selection of tap changers to be blocked as an emergency measure, in the case of long-term voltage instability. The instability is identified using a long-term sensitivity index and the tap changers to be blocked are selected based on the column sum of a voltage sensitivity matrix. This method is applied to a severe contingency in the heavily loaded Hellenic Interconnected Power System and it is shown to be able to mitigate the voltage degradation in the event of a long-term instability, so that an imminent voltage collapse is prevented. © 2001 IEEE.	en
heal.journalName	2001 IEEE Porto Power Tech Proceedings	en
dc.identifier.doi	10.1109/PTC.2001.964741	en
dc.identifier.volume	2	en
dc.identifier.spage	194	en
dc.identifier.epage	198	en