Results 41 to 50 of about 13,146,348 (192)

Review on the Evaluation and Improvement Measures of the Carrying Capacity of Distributed Power Supply and Electric Vehicles Connected to the Grid

Energies
With the increasing number of distributed power sources such as photovoltaic power and wind power and electric vehicles connected to the grid, the structure and operation state of the traditional distribution network have undergone great changes ...
Guifu Yan, Qing Wang, Huaying Zhang, Liye Wang, Lifang Wang, Chenglin Liao   +5 more
doaj   +1 more source

Improving the quality of voltage in the system of traction power supply of direct current [PDF]

Archives of Transport, 2015
Purpose of the work is improved approaches to ensure the required quality parameters of voltage in the traction network based on modern technologies and equipment in the application of power distribution system. Actuality.
Viktor G. Sychenko, Dmitry O. Bosiy, Eugene M. Kosarev   +2 more
doaj   +1 more source

A Scene Knowledge Integrating Network for Transmission Line Multi-Fitting Detection

Sensors
Aiming at the severe occlusion problem and the tiny-scale object problem in the multi-fitting detection task, the Scene Knowledge Integrating Network (SKIN), including the scene filter module (SFM) and scene structure information module (SSIM) is ...
Xinhang Chen, Xinsheng Xu, Jing Xu, Wenjie Zheng, Qianming Wang   +4 more
doaj   +1 more source

Power Supply Design Considerations for 400Hz Aircraft Applications

, 2020
In this study a 5kW power supply for aircraft applications has been designed. Boost type power factor correction topology Delta rectifier complies with military standards of conducted emissions and is selected as a front-end rectifier for 400 Hz mains ...
Kyyrä, Jorma, Mäkelä, Juha, Ahmad, Bilal   +2 more
core   +1 more source

Review of through-type power supply system for electrified railways

机车电传动, 2022
With the gradual expansion of the scale of China electrified railways, electrical phase separation and power quality problems have become the main shackles restricting the further development of China electrified railways. The through-type traction power
WANG Xin, TU Chunming, GUO Qi, XIAO Fan, LI Junhao   +4 more
doaj  

DC Active Damper Control Strategy Based on Resonance Suppression Effectiveness Evaluation Method

Energies
With the complication of the power system, features of the resonance interaction behave diversely and pose a threat to the effectiveness of the resonance suppression strategies.
Huaying Zhang, Yingxin Wang, Xinyi Zhu, Yonghai Xu, Shun Tao   +4 more
doaj   +1 more source

Investigating the input power quality of multi-pulse AC-DC power converter fed induction motor drives

Heliyon, 2022
Optimization of supply current total harmonic distortion (THD) of multi-pulse AC-DC power converter fed induction motor drive (IMD) is always a challenging issue. Higher amount of supply current THD degrades the input power quality of IMD.
Nazmul Islam Nahin, Mahdee Nafis, Shuvra Prokash Biswas, Md. Kamal Hosain, Pranta Das, Safa Haq   +5 more
doaj   +1 more source

Automated metering and power quality systems in power supply systems

Bulletin of the National Technical University "KhPI". Series: Energy: Reliability and Energy Efficiency, 2021
The article shows that the data of the collected by the automated commercial electricity metering systems are an ensemble of daily realizations of random processes of power consumption of the power supply system. The main purpose of using automated systems of commercial and technical electricity metering is to reduce power consumption.
Dmytro Gapon, Oleg Gryb, Igor Karpaliuk, Natalia Rudevich   +3 more
openaire   +1 more source

Voltage Hierarchical Control Strategy of Active Distribution Network Based on Deep Reinforcement Learning

发电技术
ObjectivesThe randomness and volatility of distributed power generation poses significant challenges for the voltage control in active distribution network (AND).
DU Wanlin, WANG Ling, LUO Wei, ZHU Yuanzhe, LÜ Hong, MA Xiaonan, ZHOU Xia   +6 more
doaj   +1 more source

Comparing the Potential of Near- and Mid-Infrared Spectroscopy in Determining the Freshness of Strawberry Powder from Freshly Available and Stored Strawberry

Journal of Analytical Methods in Chemistry, 2019
The quality of strawberry powder depends on the freshness of the fruit that produces the powder. Therefore, identifying whether the strawberry powder is made from freshly available, short-term stored, or long-term stored strawberries is important to ...
Da Wang, Wenwen Wei, Yanhua Lai, Xiangzheng Yang, Shaojia Li, Lianwen Jia, Di Wu   +6 more
doaj   +1 more source