Results 1 to 10 of about 79,309 (294)

Power Sharing and Voltage Vector Distribution Model of a Dual Inverter Open-End Winding Motor Drive System for Electric Vehicles [PDF]

Applied Sciences, 2018
A drive system with an open-end winding permanent magnet synchronous motor (OW-PMSM) fed by a dual inverter and powered by two independent power sources is suitable for electric vehicles.
Yi-Fan Jia, Liang Chu, Nan Xu, Yu-Kuan Li, Di Zhao, Xin Tang   +5 more
doaj   +3 more sources

Improvement of Voltage Quality in a Distribution System by a Novel Simplified Unit Vector Theory [PDF]

E3S Web of Conferences
Nowadays, electrical engineers are increasingly concerned about power quality due to the rising load demand and the utilization of non-linear loads by end users. Power must be supplied continuously and with excellent quality.
Abrol Monika, Pandeya Megha, Sharma Neeraj, Singh Kulhar Kuldeep   +3 more
doaj   +4 more sources

Modulation Techniques and Coordinated Voltage Vector Distribution: Effects on Efficiency in Dual-Inverter Topology-Based Electric Drives

Energies
The increasing popularity of electric drives employing an isolated dual-inverter (DI) topology is motivated by their superior DC-link voltage and power utilization, fault-tolerant operation, and potential for multilevel operation.
Jakub Kucera, Petr Zakopal, Filip Baum, Ondrej Lipcak   +3 more
doaj   +3 more sources

Power Flow Control Strategy Based on the Voltage Vector Distribution for a Dual Power Electric Vehicle With an Open-End Winding Motor Drive System

IEEE Access, 2018
A dual inverter feeding an open-end winding permanent magnet synchronous motor drive system can realize controllable power sharing or power flow between two independent power sources without a dc/dc converter.
Yi-Fan Jia, Nan Xu, Liang Chu, Li-Feng Zhang, Di Zhao, Yu-Kuan Li, Zhi-Hua Yang   +6 more
doaj   +2 more sources

Harmonic Voltage Control in Distributed Generation Systems Using Optimal Switching Vector Strategy [PDF]

IEEE Systems Journal, 2022
With increased penetration of renewable power and the nonlinear loads in the distributed generation (DG) systems, increased power quality concerns are exhibited in the active distribution networks, especially the challenges associated with the current and voltage harmonics in the system.
Vedantham Lakshmi Srinivas, Bhim Singh 0001, Sukumar Mishra, Lie Xu 0001   +3 more
openaire   +3 more sources

Dual space vector PWM technique for a three-phase to five-phase quasi Z-source direct matrix converter

Automatika, 2022
This article proposes a dual space vector PWM control technique for a three-phase to five-phase quasi Z-source direct matrix converter (QZSDMC). The proposed circuit consists of a quasi-impedance source network along with a five-phase traditional matrix ...
S. Manivannan, N. Saravanakumar, K. N. Vijeyakumar   +2 more
doaj   +1 more source

Space Vector Pulse-Width Modulation Control Strategy for Four-Leg Inverters Under Single Line-to-Ground Faults in Islanded Microgrids

IEEE Access, 2022
In this paper, we propose a novel switching modulation scheme for three-phase four-leg inverters that enables the separation of the fault points occurring in AC distribution networks.
Chang-Gyun An, Bong-Yeon Choi, Hoon Lee, Tae-Gyu Kim, Kyung-Min Kang, Mina Kim, Yoon-Seong Lee, Junsin Yi, Chung-Yuen Won   +8 more
doaj   +1 more source

A Multi-vector Power Theory Framework and Reactive Current Compensation Strategy for Three-Phase Non-sinusoidal Distribution Networks

Zhongguo dianli, 2023
The increasing complexity of distribution-level source, network, load and storage have been deteriorating voltage imbalance and distortion issues. Therefore, the traditional power theories cannot meet the conversation law and would lead to the limitation
Jia'an SUN, Lin LI
doaj   +1 more source

Polar Voltage Space Vectors of the Six-Phase Two-Level VSI

Energies, 2022
The paper recommends polar voltage space vectors of the six-phase and two-level inverter as a useful mathematical tool for vector control of the inverter. The inverter model is described using three mathematical tools: analytic expressions, voltage state,
Jan Iwaszkiewicz, Adam Muc, Agata Bielecka   +2 more
doaj   +1 more source

Energy Loss Calculation of Low Voltage Distribution Area Based on Variational Mode Decomposition and Least Squares Support Vector Machine [PDF]

Mathematical Problems in Engineering, 2021
In order to improve the accuracy of theoretical energy loss calculation in low voltage distribution area (LV-area), this paper proposes a new prediction method based on variational mode decomposition (VMD) and particle swarm optimization (PSO) least squares support vector machine (LSSVM). Firstly, the main influencing factors of energy loss calculation
Keyan Liu, Dongli Jia, Fengzhan Zhao, Qicheng Zhang, Shuai Hao, Shuai Zhang   +5 more
openaire   +1 more source