Imbalanced Force Suppression Due to Static Eccentricity by Using Triple Three-phase Winding Motor

Static Eccentricity Fault Diagnosis in an Accelerating No-load Three-phase Saturated Squirrel-cage Induction Motor

A no-load induction motor under static eccentricity is modeled using time stepping finite element (TSFE) method; current, torque, and speed signals of the motor are obtained by finite element method (FEM) and used for static eccentricity fault diagnosis and analysis. The frequency spectrum analysis of the stator current around fundamental frequency component is used to predict the static eccent...

Detection of the stator winding fault in three phase induction motor using Fuzzy Logic

Improvement of Electromagnetic Forces in a Single-Phase Induction Motor by Providing a New Winding Distribution

Single-phase induction motors have a wide range of domestic and industrial applications. These motors have a squirrel cage rotor and their stator usually has two windings: main and auxiliary. The use of auxiliary winding in the structure of single-phase induction motors creates two unbalance and asymmetric phases. This causes to increase the spatial harmonics of the field in the air gap, and al...

Stator Winding Fault Diagnosis of Three-phase Induction Motor by Park’s Vector Approach

Through this paper issue of on-line detection of short winding fault in three-phase induction motors is presented, and a technique, based on the computer-aided monitoring of the stator current Park’s Vector, is proposed. The park's vector model is realized by employing Virtual instrumentation. The Virtual Instrumentation is acquired by programming in Lab-view software. Laboratory analysis was p...

overvoltage caused by winding terminal arrangement of three phase transformer

usually both ends of a transformer winding are at the same side of the magnetic core. with this arrangement there are automaticaly the same number of the turns for each winding in both core windows next to the middle leg of a three phase three leg core type transformer. contrary to this arrangement it is possible to put the two ends of a winding at the different sides of the core. in this case ...