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3-D Static Force Benchmark (T.E.A.M. Problem 20)

This rig is made from a steel center pole and yoke. The center pole is surrounded by a copper coil excited by a DC current. This problem shows the ability of MagNet for SOLIDWORKS to solve Static Magnetic Problem involving force and magnetic field calculations." />

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3-phase Transformer

The model presented here is the simulated results of the ohmic losses and flux density of a 3 phase transformer with a three limbed paramagnetic core. The symmetry in the z-axis has been used to minimize the problem size and accelerate solution time. The coils are made of three concentric layers of different thickness.

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AC analysis of an Induction Machine

MotorSolve IM AC analysis type takes into account regions of linear and nonlinear behaviour of the lumped parameters and automatically adapts to such variations with extra sample points in such regions of the parameter space. Variations of the lumped parameters at various slips are also taken into account. Some calculations for a 17 bar - 24 slot squirrel cage induction machine are presented.

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AC Synchronous Reluctance Machine for Traction Application

In this example, a 55 KW traction motor is designed using a stator that was originally designed for a squirrel cage induction motor for a similar output rating and application. The design of the new machine uses the stator of the induction machine and only the rotor geometrical parameters and configurations are used as free design parameters to achieve the target performance criterion.

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Accurately modeling the skewed rotor of an Induction Motor

The induction motor analysed here is a typical three-phase motor. The rotor is skewed; this is easily created and accurately modeled. The stator windings in this model are realistic involute shapes, created with the multi-segment sweep option; accurately modeled coils means that end effects can be studied. The periodic boundary condition allows the modeler to take advantage of symmetries; in this case, only a 60-degree section is modeled, reducing the problem size by a factor of 6.

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Actuator with Diode

This actuator example demonstrates the power of a fully integrated MagNet's Transient 3D with motion solver which simultaneously solves the circuit equations, the field equations on the finite element mesh, and the equations of motion. All three sets of equations include some sort of non-linearity. For the circuit the non-linear element is the diode. The finite element solver must deal with non-linear magnetic materials, and the motion solver handles the instantaneous reversal of velocity, which occurs when the plunger bounces off a bumper.

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Advanced Optimization of an IPM Machine

This example looks at the optimization of a 3-phase, 4-pole single-barrier IPM using the combined power of MagNet and OptiNet. The goal is to optimize the motor's performance with respect to a reasonably realistic and complex objective function by changing a few simple geometric parameters (the size and position of the permanent magnets) and the advance angle.

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An Electrostatic Simulation of a Surge Arrester

Based on a paper from the International Electrotechnical Commission: this surge arrester has 2 grading rings. It is formed of 2 electrodes: one at the top formed by a conducting metal rod and 2 conducting metal grading rings, and the other at the bottom forming the pedestal of the surge arrester. The ElecNet simulation presented here was compared to results provided by the IEC.

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