235 – Reactor Core Stray Loss Analysis

OverviewWhen designing a high-frequency reactor which is a key component in a converter, inductance and loss, which are parameters required for voltage conversion, are important factors. Copper loss …

24 Oct 2018

203 – No-Load Test Analysis of Power Transformer

OverviewLarge-scale power transformers are expected to be highly-reliable as machinery that will support the industry infrastructure, but unfortunately, it is impossible to conduct tests connecting t…

142 – Press Fit Analysis of a Divided Core

OverviewSmaller size and higher output are being demanded of the motors used for applications such as air conditioning compressors. One production technique for achieving this is a higher lamination …

167 – Iron Loss Analysis of a Three Phase Induction Motor

OverviewAn induction motor is a motor in which the rotating magnetic field of the stator coils causes induced current to flow in an auxiliary conductor, which produces force in the rotational directi…

181 – Analysis of SR Motor Drive Characteristics

OverviewWith the skyrocketing prices of rare earth magnets, expectations have been rising for SR (switched reluctance) motors because they have a motor format that does not use permanent magnets. SR …

202 – Core Stray Loss Analysis of Power Transformer

OverviewStray loss is mainly caused by leakage flux from winding, but structures closer to the winding will tend to be affected easier by leakage flux. The ratio of stray loss relative to all losses …

238 – Hysteresis Loss Analysis in a Reactor with DC Bias

OverviewWhen designing a high-frequency reactor which is a key component in a converter, inductance and loss, which are parameters required for voltage conversion, are important factors.A reactor are…

14 Mar 2018

229 – Analysis of the Effect of PWM on the Iron Loss of an Induction Motor

OverviewAn induction motor is a motor in which the rotating magnetic field of the stator coils causes induced current to flow in an auxiliary conductor, which produces force in the rotational directi…

13 Mar 2018

228 – Thermal Analysis of an Induction Motor

An induction motors are widely used in everything from industrial machines to home appliances because they have a simple construction and are small, light, affordable, and maintenance-free. The rotat…

206 – Temperature Analysis of an Oil-Immersed Transformer Using a Coupled Magnetic Field and Thermal Fluid Analysis

OverviewLarge power transformers are used to transform high voltage power generated at a power station into power that can be transmitted. For the structure of the transformer, oil-immersed transform…

9 Mar 2018

200 – Iron Loss Analysis of IPM Motor using Hysteresis Model

OverviewRecently, PM motors are being applied in home appliances and electric automobiles, and the demand for compactness and high power is increasing. On the other hand, small and high-power motors …

194 – Analysis of High-Speed Rotation Motors Accounting for Eddy Current

OverviewPM synchronous motors are used in HEV drives, air conditioner compressors, and various other industries. Especially in case of PM synchronous motors for HEV drives, high-speed rotation is adv…

191 – Torque Analysis of Three-Phase Induction Motors Accounting for the Skew Using the Multi-slice Method

OverviewAn induction motor can utilize skew easily because the cage is constructed by metallic casting such as die casting. When skew is applied, it arranges the variations in the magnetic flux that …

185 – Analysis of Stray Loss in a Power Transformer

OverviewTransformers are made to be used long-term, so it has become an important design policy to control running costs from losses. These losses include copper loss in the coil and iron loss in the…

8 Mar 2018

177 – Torque Characteristic Analysis of a Three Phase Induction Motor

OverviewAn induction motor is a motor in which the rotating magnetic field of the stator coils causes induced current to flow in an auxiliary conductor, which exerts force on the rotor in the rotatio…

176 – Drive Characteristic Analysis of a Three-Phase Induction Motor

OverviewAn induction motor is a motor in which the rotating magnetic field of the stator coils causes induced current to flow in an auxiliary conductor, which exerts force on the rotor in the rotatio…