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An anisotropic vector hysteresis model based on the improved isotropic vector play operator has been presented to predict the magnetization behavior of anisotropic hysteresis materials. The required parameters can be identified from the major hysteresis loops in all principal axes, which can be easily measured, or are directly available from magnetic material manufacturers. The presented model, which...
Commercial buildings are responsible for a large fraction of energy consumption in developed countries, and therefore are targets of energy efficiency programs. Motivated by the large inherent thermal inertia of buildings, the power consumption can be flexibly scheduled without compromising occupant comfort. This temporal flexibility offers opportunities for energy savings and the provision of frequency...
The phenomenon of isotropic and anisotropic magnetic hysteresis has been observed for a long time in various magnetic materials which are widely used in electrical devices.
A highly robust and efficient parallel computing method for the transient simulation of low-frequency electromagnetics is proposed. In this method, time subdivision is introduced to control the memory usage and nonlinear convergence and a block forward substitution method is applied to solve the formulated block matrix.
A dynamic analytical model is developed to simulate the performance of switched reluctance motors (SRM). In this model, flux linkages are expressed as multiple decoupled one- argument functions, either current dependent or rotor position dependent, instead of one two-argument function dependent on both current and rotor position. Using this analytical model, the performance of a SRM can be simulated...
The skin effect of rotor current is one of key factors which affect the simulation accuracy of three-phase induction motors with deep rotor bars. This paper proposes an improved dynamic model considering the skin effect of three-phase induction motors at arbitrary operation, from the starting to rated-load operation. The simulation results using the proposed model are compared with those from the...
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