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Design And Analysis Of Modular Axial Flux Switched Reluctance Motor, Rochak Shiwakoti
Design And Analysis Of Modular Axial Flux Switched Reluctance Motor, Rochak Shiwakoti
University of New Orleans Theses and Dissertations
This thesis presents a new modular structure of the axial flux Switched Reluctance Motor (SRM). The design consists of four stator disks with each adjacent disk rotated 30 degrees apart and four rotor disks connected to a common shaft. The proposed design aims to reduce the unwanted radial force, mitigate the torque ripple, and improve the efficiency. The modular structure distributes the radial force and torque strokes along the axial length of the motor, potentially damping the torque pulsation. In addition, the modular structure would deliver the rating power at a lower current level, reducing the overall ohmic loss. Moreover, …
Directional Comparison Bus Protection Using Superimposed Partial Operating Current Characteristics, Bishwas Baral
Directional Comparison Bus Protection Using Superimposed Partial Operating Current Characteristics, Bishwas Baral
University of New Orleans Theses and Dissertations
Various directional comparison bus protection methods including widely used superimposed directional element method need to have both voltages and currents from all feeders connected to the zone of protection to find the direction of current for detecting a bus fault or a line fault. The purpose of the thesis is to present a new technique for directional comparison bus protection to discriminate a bus fault from line fault and normal condition. The new technique, which is implementing superimposed directional element method to modify partial operating current characteristics (POC) method to superimposed POC (SPOC) method, does not use voltages from feeders, …