Results 1 to 10 of about 18,320,964 (237)

Torque Performance Improvement of Doubly Salient Electromagnetic Machine by Harmonic Current Injection With Optimized Magnetomotive Force Ratio

IEEE Access, 2021
The doubly salient electromagnetic machine (DSEM) has simple and reliable structure while suffering from the problem of torque ripple due to the salient pole structure.
Yongmei Wu, Shijia Yu, Xiangpei Gu, Chuang Liu   +3 more
doaj   +1 more source

Generalized High-Frequency Injection Framework for Sensorless Control of Synchronous Reluctance Machines

IEEE Open Journal of the Industrial Electronics Society, 2023
The high-frequency injection (HFI) method is commonly used for sensorless control of synchronous reluctance motors (SynRMs) at low speeds. Injecting a high-frequency (HF) signal in a predefined direction, referred to as the $d$-axis, and further ...
Dmytro Prystupa, Xiaoyan Huang, He Zhang, Vasyl Varvolik, Giampaolo Buticchi, Shuo Wang, Xiaochen Zhang, Jing Li, Chris Gerada   +8 more
doaj   +1 more source

Performance Prediction of Direct Torque-Controlled PMSM Drives Considering Different Pulse Selectors Using FEA-Based Model

IEEE Open Journal of Power Electronics, 2023
Despite the robustness and fast dynamic response, direct torque control (DTC) exhibits relatively large ripples in torque and flux during steady-state operation.
Ahmed Nasr, Chunyang Gu, Jing Li, Giampaolo Buticchi, Salman Ijaz, Chris Gerada, He Zhang   +6 more
doaj   +1 more source

Experimental Investigation of Heat Pipe Inclination Angle Effect on Temperature Nonuniformity in Electrical Machines

Energies, 2022
Heat pipes (HPs) are gaining increasing popularity in the propulsion motors of transportation electrification due to their remarkable thermal properties.
Xiaochen Zhang, Han Zhao, Jing Li, Fengyu Zhang, Yue Zhang, Hongyu Yan, Zhihao Niu, David Gerada, He Zhang   +8 more
doaj   +1 more source

Modeling Techniques and Stability Analysis Tools for Grid-Connected Converters

IEEE Open Journal of Power Electronics, 2022
Large-scale integration of renewable generation interfaced to the network through power electronic converters has led to drastic changes in power system dynamics. In islanded microgrids or weak grids, different control concepts for the synchronization of
Qilin Peng, Giampaolo Buticchi, Nadia Mei Lin Tan, Sandro Guenter, Jiajun Yang, Patrick Wheeler   +5 more
doaj   +1 more source

Control-Based Two-Layer Protection for Short-Circuit Fault at an LVDC Feeder Branch

Energies, 2022
Low-voltage dc distribution offers high efficiency for grid integration of dc-based technologies such as photovoltaic and battery storage systems and new loads such as charging stations for electric vehicles due to reduced number of conversion stages ...
Jiajun Yang, Sebastian Brueske, Giampaolo Buticchi, Chunyang Gu, Sandro Guenter, Pat Wheeler   +5 more
doaj   +1 more source

Performance Enhancement of Direct Torque-Controlled Permanent Magnet Synchronous Motor with a Flexible Switching Table

Energies, 2020
In this paper, a flexible switching table (FST) for direct torque control (DTC) of permanent magnet synchronous motors (PMSMs) was proposed to enhance the steady-state and dynamic performances of the drive system.
Ahmed Nasr, Chunyang Gu, Serhiy Bozhko, Chris Gerada   +3 more
doaj   +1 more source

Parameters Design and Optimization of SiC MOSFET Driving Circuit with Consideration of Comprehensive Loss and Voltage Stress

Micromachines, 2023
In conventional parameters design, the driving circuit is usually simplified as an RLC second-order circuit, and the switching characteristics are optimized by selecting parameters, but the influence of switching characteristics on the driving circuit is
Haihong Qin, Zhenhua Ba, Sixuan Xie, Zimo Zhang, Wenming Chen, Qian Xun   +5 more
doaj   +1 more source

A Scalable System Architecture for High-Performance Fault Tolerant Machine Drives

IEEE Open Journal of the Industrial Electronics Society, 2021
When targeting mission critical applications, the design of the electronic actuation systems needs to consider many requirements and constraints not typical in standard industrial applications.
Filippo Savi, Davide Barater, Giampaolo Buticchi, Chris Gerada, Pat Wheeler   +4 more
doaj   +1 more source

Overview and analysis of PM starter/generator for aircraft electrical power systems

CES Transactions on Electrical Machines and Systems, 2017
More Electrical Aircraft (MEA) which replaces the hydraulic and pneumatic power by electrical power leads to reducing emissions and fuel consumption. The MEA concept has led to a growing use of the starter/generator (S/G) system.
Zhuoran Zhang, Jian Huang, Yunyi Jiang, Weiwei Geng, Yanwu Xu   +4 more
doaj   +1 more source