DP
Transient Magnetic (2D/Axisymmetric)
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[JAC305] Loss Analysis of IPM Motor During Driving Cycle Considering Temperature Variation
In this example, we evaluate the time variation of losses and temperature during WLTC driving cycles when using an efficiency map with temperature dependency in an IPM motor.
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[JAC302] Optimization of IPM Motor Geometry and Coil Turns
This case study optimizes IPM motor geometry and coil turns by using objective functions to maximize the average efficiency of several operating points and minimize the volume to …
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[JAC205] Analyzing the Torque Characteristics of IPM Motors Using a Thermal Equivalent Circuit
Here, we confirm a situation where temperature increases due to eddy current of the iron loss and magnet, which causes demagnetization of the magnet and torque reduction.
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[JAC303] Geometry Optimization of a Motor Considering Vibration at System-level
In this document, the dimensional optimization of a single motor is performed to minimize the vibration at the system level.
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[JAC267] IPM Motor Topology Optimization Using the Density Method
Magnetic field and structural coupled analysis is run in this example. While accounting for rotor core strength, topology optimization that uses the density method is used to perf…
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[JAC241] Single-Phase Synchronous Motor N-T-I Characteristics Analysis
In this example, a use case in which the N-T-I characteristics for a single-phase synchronous motor are obtained is presented.
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[JAC298] Analysis of an SPM Motor Taking into Account the Effects of Layer Shorts
OverviewDeterioration in the coil insulation may cause a short circuit between adjacent coil layers (layer short). A short-circuit current flowing when the winding has a layer sho…
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[JAC299] Inverter Changeover Control for an Open-end Winding Motor (Wound-Field Synchronous Motor)
This case study runs a circuit simulation of an open-end winding motor drive system that switches from using a single inverter to dual inverters during operation in order to mitig…
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[JAC038] Starting Performance Analysis of a Single Phase Induction Motor
The purpose of this Application Note is to introduce an example of a single phase induction motor that uses a capacitor to set up an auxiliary winding and show its rotation speed …
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[JAC138] Vibration Analysis of an SR Motor
This Application Note presents an example of how to obtain the electromagnetic force generated in the stator core of an SR motor and evaluate the sound pressure by linking it to t…
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[JAC296] Torque Characteristic Analysis of an IPM Motor Accounting for Temperature Distribution and Changes in Temperature
In this example, magnetic field and thermal coupled analysis is run, and changes in torque due to part temperatures and magnet demagnetization are checked.
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[JAC295] Inverter Changeover Control for an Open-end Winding Motor
This case study runs a circuit simulation of an open-end winding motor drive system that switches from using a single inverter to dual inverters during operation in order to mitig…
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[JAC207] Transfer Torque and Efficiency Analysis of Magnetic Gear
In this example, the transfer torque and transfer efficiency are obtained with magnetic field analysis for the flux modulated type magnetic gear using permanent magnets for the in…
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[JAC289] Efficiency Map Creation for Wound-Field Synchronous Motors
In this example, efficiency maps for a wound-field synchronous motor are created to check the combinations of currents that result in maximum efficiency. In addition, the loss bre…
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[JAC148] Loss Analysis of a Power Transformer (Flyback Converter)
A magnetic field analysis simulation based on the finite element method (FEM) can precisely evaluate the complex loss distributions of the coil and core, so it is optimal for an a…
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[JAC222] Irreversible Thermal Demagnetization Analysis of Incompletely Magnetized Magnets
In this example, analysis is performed while varying the temperature of magnetized magnets, and then the influence on the torque waveform and magnetic flux density distribution is…
