Magnetic Field
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[JAC221] Confirmation of the Influence from the Reduction of High-Frequency Resistance of a Magnetically Plated Wire Choke Coil
In this example, high frequency resistance values are obtained from choke coil copper loss analysis results using JMAG’s layer coating mesh function, and the effectiveness of redu…
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[JAC142] Press Fit Analysis of a Divided Core
This Application Note presents how to use the Press Fit condition to model an analysis of the stress from fitting a core to a frame, and then obtain the iron loss density of an IP…
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[JAC181] Analysis of SR Motor Drive Characteristics
This example presents how to confirm drive characteristics such as torque, loss, and efficiency in a motor when its switch timing changes for each rotation speed.
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[JAC202] Core Stray Loss Analysis of Power Transformer
This document introduces runs analysis by modeling the short-circuit test that is conducted when evaluating stray loss and obtains stray loss distribution in the core close to the…
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[JAC020] Sound Pressure Analysis of an SPM Motor
This Application Note shows an example of an evaluation of a reactor’s sound pressure, when acquiring electromagnetic force generated by a stator core for a SPM motor and linking …
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[JAC195] Torque characteristics analysis of three-phase induction motors using 3D correction function
This document introduces introduces a case study which obtains inductance correction values, and then obtains N-T characteristics (revolution speed-torque characteristics) using t…
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[JAC167] Iron Loss Analysis of a Three Phase Induction Motor
This Application Note presents an example of how to find the iron loss in the stator core and rotor core at a rotation speed of 3,300 r/min.
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[L-MB-33]Supporting Motor Drive Development with a JMAG-MATLAB/Simulink Coupling
Together with Mathworks, the company that develops MATLAB/Simulink (hereafter referred to as "Simulink"), JMAG strongly supports model-based development (hereafter referred to as …
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[L-MO-29] Creating Efficiency Maps with JMAG (FEA)
JMAG now offers a tool which uses finite element analysis (FEA) calculations to output an efficiency map. The advantage of using FEA to calculate an efficiency map is accuracy. In…
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[L-MB-32] Simulating Responsiveness of Electric Machinery During Control with High Accuracy Using a Direct Coupling Analysis
For machines requiring high-speed responsiveness for controllers such as solenoid valves and injectors, level of accuracy required in simulation have increased following the advan…
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[L-MB-28] The Incorporation of JMAG into Model Based Design
The JMAG-provided plant model (JMAG-RT) simulates the characteristics of an actual machine with high-fidelity information, acquired by means of FEA, and realizes a highly reliable…
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[L-MU-93] JMAG/Adams/Simulink Coupled Vehicle Drive Simulation
Generally, it is said that drive motors used in electric cars have less vibration than engines, however, vibration caused by torque ripple may be transmitted to the entire vehicle…
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[L-MU-92] JMAG/Particleworks Coupled Motor Cooling Analysis
Motor temperature control is an important issue. Due to temperature rise, demagnetization occurs in PM motor magnets leading to a loss of high efficiency.
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[W-MB-63] Method for Determining the Optimum Resolution of JMAG-RT Model
In this paper, we present a method to increase the resolution of a JMAG-RT model iteratively while performing system simulation.
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[L-MO-89]JMAG-Express Motor Design Tool
JMAG-Express is a motor design tool that instantly calculates unique motor characteristics in order to output design specifications to meet design requirements. As it uses the fin…
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[L-MO-77] Motor Concept Design with JMAG-Express and JMAG-RT Viewer
Within upstream system designs in a development process, elements that satisfy motor requirements are all roughly determined. This includes the rotor type, the number of poles, th…