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	Symmetrical and Unsymmetrical Voltage Sag Effects on the Three-phase Synchronous Machine Stability	[View]   [Download]
Author(s)	DANIEL AGUILAR GALVAN, ALEJANDRO ROLÁN BLANCO, Gerardo VÁZQUEZ GUZMÁN, FELIPE CÓRCOLES LÓPEZ, PEDRO RODRÍGUEZ CORTÉS
Abstract	This paper focuses on the effects of voltage sags, both symmetrical and unsymmetrical, on the three-phase Synchronous Machine (SM). Voltage sags on SM cause speed variations, current and torque peaks and hence may cause tripping and equipment damage. The consequences of voltage sags on the machine behaviour depend on different factors such as sag’s magnitude (or depth), duration, initial point-on-wave and the parameters of the electrical machine. In this study, three SMs of different rated power have been considered in order to simulate the voltage sag effects for specific conditions and analyze the machine stability.
Download	Filename: 0577-epe2009-full-23211706.pdf Filesize: 496.3 KB
Type	Members Only
Date	Last modified 2010-01-27 by System