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…

221 – Confirmation of the Influence in the Reduction of High-Frequency Resistance of a Magnetically Plated Wire Choke Coil

OverviewA choke coil is an electronic component aimed at filtering high frequency current. The current generated inside a choke coil has a distribution in a single wire, and among the wires, due to c…

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

237 – AC Loss Analysis of an IPM Motor

OverviewPrimary power loss drivers in PM machines are iron, magnets and the winding. The main focus of this analysis is the winding losses, particularly those which occur in the end winding. The flux…

13 Mar 2018

232 – AC Loss Analysis of a Reactor

OverviewIn designing a high-frequency reactor that is a key component of the converter, inductance and loss, which are parameters required for voltage conversion, are important factors.An airgap has …

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…

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…

212 – AC Loss Analysis of a Claw Pole Alternator

OverviewElectric Machines are affected primarily by 3 types of losses. Iron losses in steel lamination sheets, joule losses in the conducting components and joule losses in coils.When we primarily fo…

211 – IPM Motor Wire Joule Loss Analysis

OverviewThe square wires and flat wires of segment coils and edgewise coils, etc., are being used for the purpose of improving lamination factors, the reduction of end parts, minimization, improvemen…

213 – Circuit/Control Simulation of a Wound-Field Synchronous Motor

OverviewTraditionally, motor control design and motor design are often independent processes, with cooperative design being difficult. Meanwhile, for advanced motor control design, a plant model that…

9 Mar 2018

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…