Abstract
Anode saturable reactor is an important part of HVDe converter valve. The surge current causes core losses and temperature rising during the transient processes of thyristors. In this paper, to investigate the single core loss of anode saturable reactor, the theoretical calculation and electromagnetic simulation are carried out with the actual surge current. The Jiles-Atherton(J-A) dynamic hysteresis model integrating hysteresis, eddy current, and excess losses is considered for accurate computation of core losses. The model is incorporated into the finite element method to investigate the loss distribution in the core of anode saturable reactor.
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