Analysis of Winding Losses of Shunt Reactor using “Zooming Analysis”

Yasuhisa Ito
Development Section, Transformer Design & Development Department, Power Transformer Factory, T&D Business Unit, MEIDENSHA CORPORATION

Abstract

Shunt reactors have gaps in the core in order to obtain a desired reactance. Eddy currents are generated in the windings of shunt reactor due to fringing of the magnetic flux. It is difficult to simulate the phenomena with accuracy by 3-D magnetic field analysis of conventional methods because of the multiscale problem.
This presentation shows an example of solving the above problem using “Zooming Analysis”. It is expected that the accurate distribution of currents and losses in the windings can be obtained by using “Zooming Analysis” in the multiscale problem.

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