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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[JAC219] Axial Gap Type Motor Cogging Torque Analysis
In this example, presents an example of cogging torque analysis of an axial gap type motor.
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[JAC293] Axial Gap Motor Geometry Optimization Using Surrogate Models
In this example, the dimensions of an axial gap motor are optimized by using surrogate models, then the Pareto curves and the effect of reduction in calculation times when using s…
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[JAC015] Cogging Torque Analysis of an SPM Motor with a Step Skewed Magnet
This Application Note presents the use of magnetic field analysis to evaluate the magnetic flux density distribution and cogging torque in each part of an SPM motor with a step sk…
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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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[JAC300] Electromagnetic Excitation Force Analysis of an SPM Motor with Step Skew
This case study runs a magnetic field analysis of an SPM motor with step skew to obtain the electromagnetic force acting on the teeth of the stator core to verify the electromagne…
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[JAC290] Design Exploration of IPM Motors, Including Evaluating Part Temperature, Stress, and the Presence of Electric Breakdown
In this example, the part temperature and stress are evaluated at the same time for the motor design plan, and a design plan that meets the requirements is explored.
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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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[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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[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…
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[JAC122] Inductance Analysis of an IPM Motor -d/q-axis Inductance Obtained by Actual Measurement-
This Application Note presents an analysis that obtains d/q-axis inductance in an IPM motor while assuming actual measurements in a stationary rotor.
