Development of a Novel Three-Phase Laminated-Core Variable Inductor for Var Compensation

This paper presents a novel three-phase laminated-core variable inductor made for the purpose of voltage stabilization in electric power systems. The proposed variable inductor has three-phase secondary ac windings together in one laminated-core to reduce the size and weight in comparison with the o...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2008-11, Vol.44 (11), p.4107-4110
Main Authors: Nakamura, K., Hisada, S., Arimatsu, K., Ohinata, T., Sakamoto, K., Ichinokura, O.
Format: Article
Language:English
Subjects:
Controllability
Cross-disciplinary physics: materials science
rheology
Electric variables control
Exact sciences and technology
Inductance
Inductors
Magnetism
Materials science
Other topics in materials science
Physics
Power system harmonics
Reactive power
Reluctance network analysis (RNA)
RNA
three-phase laminated-core variable inductor
var compensator
Voltage
Wind energy generation
Wind power generation
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Summary:This paper presents a novel three-phase laminated-core variable inductor made for the purpose of voltage stabilization in electric power systems. The proposed variable inductor has three-phase secondary ac windings together in one laminated-core to reduce the size and weight in comparison with the other single-phase ones. It can be applied as a var compensator since it can control the effective inductance of the secondary ac windings by dc excitation from the primary dc windings. First, the operating principle of the three-phase laminated-core variable inductor is described. Next, a trial 4.0 kVA variable inductor is designed based on reluctance network analysis (RNA), and then, the availability of the proposed variable inductor, which has good controllability and sinusoidal output current, is proved in experiments.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2008.2002861