Results 11 to 20 of about 1,214,165 (308)

Winding MMF and PM MMF Analysis of Axial-Flux Machine with Multi-Phase and Multi-Layer Winding

Energies, 2021
According to star graph and winding distribution, winding MMFs of three kinds of 12-slot/10-pole multi-phase and multi-layer winding layout are analyzed by the improved winding function method.
Qixu Chen, Guoli Li, Wenping Cao, Zhe Qian, Qunjing Wang   +4 more
doaj   +1 more source

A quantitative research on the level of disturbance to secondary signal ports of electronic voltage transformers under the operation of gas‐insulated switchgear

High Voltage, 2022
The collectors of electronic transformers has the problem of electromagnetic incompatibility under the operation of disconnecting switches, which limits their wide application in smart grids.
Qi Wang, Chao Fu, Fanwu Chu, Yue Tong, Xiaozhou Wang, Guoxiong Ye, Xiong Wu   +6 more
doaj   +1 more source

Telephone Interference From Solar PV Switching

IEEE Open Access Journal of Power and Energy, 2023
The emergence of solar Photovoltaic (PV) generation has been one of the biggest changes in the Power Grid in the past decade. Such generation plants are generally inverter based and these devices are known sources of harmonics of the fundamental ...
Gaurav Singh, Thomas Cooke, Jason Johns, Luis Vega, Ariel Valdez, Gloria Bull   +5 more
doaj   +1 more source

Preliminary Evaluation of the Impact of Sustained Overvoltage on Low Voltage Electronics-Based Equipment

Energies, 2022
Low voltage devices connected to public electricity supply networks can be subjected to a wide range of voltage quality, including sustained overvoltage.
Jason David, Philip Ciufo, Sean Elphick, Duane Robinson   +3 more
doaj   +1 more source

Development of a Fast Thermal Model for Calculating the Temperature of the Interior PMSM

Energies, 2021
A 40 kW–4000 rpm interior permanent magnet synchronous machine (IPMSM) applied to an electric vehicle (EV) is introduced as the study object in this paper.
Qixu Chen, Dechen Wu, Guoli Li, Wenping Cao, Zhe Qian, Qunjing Wang   +5 more
doaj   +1 more source

Research on the multi-timescale optimal voltage control method for distribution network based on a DQN-DDPG algorithm

Frontiers in Energy Research, 2023
A large number of distributed generators (GDs) such as photovoltaic panels (PVs) and energy storage (ES) systems are connected to distribution networks (DNs), and these high permeability GDs can cause voltage over-limit problems.
Ming Ma, Ming Ma, Wanlin Du, Ling Wang, Cangbi Ding, Siqi Liu   +5 more
doaj   +1 more source

Control Strategy for MMC Based on Super-Capacitor Energy Storage

Zhongguo dianli, 2020
In order to resolve the problems of the rapid variation of power system’s active power caused by grid-integrated renewable energy and pulsed loads, which will threaten the stability of adjacent generator units and power systems, a distributed energy ...
Lei LI, TAO Jun, Mingxing ZHU, Yuan FAN
doaj   +1 more source

Hosting Capacity Assessment Strategies and Reinforcement Learning Methods for Coordinated Voltage Control in Electricity Distribution Networks: A Review

Energies, 2023
Increasing connection rates of rooftop photovoltaic (PV) systems to electricity distribution networks has become a major concern for the distribution network service providers (DNSPs) due to the inability of existing network infrastructure to accommodate
Jude Suchithra, Duane Robinson, Amin Rajabi   +2 more
doaj   +1 more source

Safe Operation Area of Energy-Storage-Free Dynamic Voltage Restorer

Zhongguo dianli, 2022
Energy-storage-free dynamic voltage restorer (DVR) is a common device used to solve voltage sag problems in engineering, but its actual operation is limited by the parameters of application scenarios.
Mingxing ZHU, Xuan LU, Huaying ZHANG, Qing WANG   +3 more
doaj   +1 more source

Measurement Based Linear and Nonlinear Time Invariant Representations for High Voltage Inductive Transformer Frequency Response up to 10 kHz

IEEE Access
This paper presents the details of the development, evaluation process, and results of linear and nonlinear time-invariant models used to represent the frequency response of inductive high-voltage instrument transformers.
Imanka Dewayalage, Duane A. Robinson, Sean Elphick, Sarath Perera   +3 more
doaj   +1 more source