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 …

24 Oct 2018

253 – Analysis of an Induction Generator

OverviewInduction machines are based on the double field revolving theory. An induction machine also operates using the principle of slip. Slip is defined as the difference between synchronous speed …

15 May 2018

218 – High Frequency Induction Hardening Analysis Accounting for Deformation

OverviewGears are created in such a way that the surfaces of their teeth are hard in order to resist the wear and tear that occurs when they come into contact with the teeth of other gears. However, …

13 Mar 2018

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…

8 Mar 2018

165 – Creating an Efficiency Map for an IPM Motor

OverviewFig. 1 shows the Speed-Torque curve, and fig. 2 shows the efficiency map.As seen in fig. 1, in the low speed region the torque becomes constant. This is due to the current controls. The torqu…

113 – Power Transmission Analysis of a Wireless Power Transfer System with Opposing Cores

OverviewA wireless power transfer system is a device which uses electromagnetic induction to provide electric power without physical contact. They can be used for various applications, such as supply…

14 Apr 2009

103 – Efficiency Analysis of a Permanent Magnet Synchronous Motor

OverviewA permanent magnet synchronous motor rotates by converting electric energy to mechanical energy.The important thing when converting energy is efficiency indicated by the power factor for the …

86 – Power Transmission Analysis of a Wireless Power Transfer System

OverviewA wireless power transfer system is a device which uses electromagnetic induction to provide electric power without physical contact. They can be used for various applications, such as moving…

30 Jan 2008