Analysis of the complex voltage unbalance factor behavior resulting from the variation of voltage magnitudes and angles

This paper presents the main aspects observed in analyzing Complex Voltage Unbalance Factor (CVUF) behavior resulting from the variation of voltage magnitudes and angles. The goal is to identify possible incoherencies regarding the use of the CVUF, and also to investigate whether this factor is more...

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Bibliographic Details
Main Authors: Ferreira Filho, A L, Cormane, J A A, Garcia, D C, Costa, M V C, Oliveira, M A G, do Nascimento, F A
Format: Conference Proceeding
Language:English
Subjects:
Analytical models
Complex Voltage Unbalance Factor
Complex Voltage Unbalance Factor Behavior
Computational modeling
Equations
Mathematical model
Power systems
Variations in Voltage Magnitudes and Angles
Voltage measurement
Voltage Unbalance
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Summary:This paper presents the main aspects observed in analyzing Complex Voltage Unbalance Factor (CVUF) behavior resulting from the variation of voltage magnitudes and angles. The goal is to identify possible incoherencies regarding the use of the CVUF, and also to investigate whether this factor is more sensitive to variations in magnitude or angles under various voltage unbalance conditions. This study also evaluates the efficiency of the use of the CVUF angle and its association with positive component magnitudes. The results indicate that the CVUF should not be used as a single and sufficient parameter for the quantification of voltage unbalances, which highlights the need to develop a new indicator which may establish a more clear and simple association between this disturbance and its effects on electrical equipment.
ISSN:1540-6008
2164-0610
DOI:10.1109/ICHQP.2010.5625315