WiredSydney

Matthew Meowl 8. October 2022

WiredSydney- In 2017 we submitted our scientific work for publishing at International Conference on Electrical Machines and Systems (ICEM) proceedings. After a successful review process, we received an invitation to attend the conference as a presenter. The conference took place in Sydney, Australia.

WiredSydney- sydney opera house australia — Photo by Mudassir Ali on Pexels.com

WiredSydney - australian flags placed on sydney harbor bridge arch in twilight — Photo by Mudassir Ali on Pexels.com

Based on our scientific contribution from previous years, we were also nominated to lead one of the parallel technical tracks as session chairs. Our scientific publication was in the field of low voltage, high power electric motor design for traction applications. Generally, we were focusing on a reduced voltage level for a safe solution in passenger car applications. Furthermore, one of our additional goals was to get rid of rear earth materials. The reasons therefore is, that they are considered to be not environmentally friendly and expensive. We have successfully achieved this goal.

To find out more and get our professional help and consulting in electric motor designs, just contact us.

As session chairs, we got an opportunity to get to know experts from all over the world. Moreover, we got in touch with the latest research topics in this field.

All in all, it was a great experience and we are looking forward to presenting our latest work at one of the upcoming events.

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Categories: News

Flux Barrier Design Method for Torque Ripple Reduction in Synchronous Reluctance Machines

Abstract—The current publication introduces the flux barrier design method and the concrete design of the synchronous reluctance machine with the reduced torque pulsations. The reviewed method provides the accelerated approach for designing of rotor flux barriers, based on Fast Fourier transforms and simple mathematical expressions. The proposed method has been utilized in the rotor design of synchronous reluctance machine and has shown desired results in reduced torque ripple. The innovative nonsymmetrical geometries for rotor flux barriers created on the basis of proposed flux barrier design method have been implemented and proved as beneficial. Keywords—Flux barriers; torque ripple reduction; FEM; synchronous reluctance machines.

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Vladimir Weiss 27. November 2022

HIGH POWER EFFICIENCY DESIGN APPROACH OF AN LLC RESONANT CONVERTER FOR UPS BATTERY CHARGER APPLICATION AND BATTERY CHARGE – DISCHARGE REGRESSION MODEL

Author: Waqas Javaid

waqas javaid 28. June 2025

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Design and LTSpice Simulation of a High-Efficiency Bidirectional Single-Phase EV Charger for Vehicle-to-Grid (V2G) Applications

Author: Waqas Javaid

Introduction:

In this project, a groundbreaking single-phase bidirectional current-source AC/DC converter tailored for Vehicle-to-Grid (V2G) applications is unveiled. The converter is ingeniously designed; comprising a line frequency commutated unfolding bridge and an interleaved buck-boost stage. Notably, the semiconductor losses within the line frequency commutated unfolding bridge contribute to the converter’s commendable efficiency. The interleaved buck-boost stage further enhances performance with its dual capabilities of buck and boost operating modes, facilitating seamless operation across a broad battery voltage range [2]. The interleaved structure of this stage significantly reduces battery current ripple. Beyond these advantages, the converter ensures sinusoidal input current, bidirectional power flow, and the capability for reactive power compensation. This project delves into the intricate topology and operational principles of this innovative converter, shedding light on its potential impact in the realm of V2G applications.

waqas javaid 6. June 2025

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Standstill Frequency Response Test for Obtaining Parameters of Six Phase Double Delta Salient-Pole Synchronous Machine on Example of Claw-Pole Alternator

The current publication introduces an approach for obtaining parameters of a six phase double delta salient-pole synchronous machine, based on the standstill frequency response test. The described approach was verified by measurements on a automotive claw-pole alternator, done in a laboratory on a test bench.

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