Results 41 to 50 of about 10,904 (158)

Subjective and Objective Quality Evaluation Study of BPL-PLC Wired Medium

Elektronika ir Elektrotechnika, 2020
This paper presents results of research on the effectiveness of bi-directional voice transmission in a 6 kV mine cable network using BPL-PLC (Broadband over Power Line - Power Line Communication) technology. It concerns both emergency cable state (supply
Grzegorz Debita, Przemyslaw Falkowski-Gilski, Marcin Habrych, Bogdan Miedzinski, Bartosz Polnik, Jan Wandzio, Przemyslaw Jedlikowski   +6 more
doaj   +1 more source

High-Performance Wireless Power and Data Transmission System for Medical Implant Devices Using ASK Modulation

Energies
Wireless power and data transmission (WPDT) solutions for medical implants are highly desired. However, achieving a high-power transmission efficiency and data rate simultaneously over an inductive link remains a significant challenge.
Haoqi Zhu, Mustafa Tahir, Xu Wu, Sideng Hu   +3 more
doaj   +1 more source

Analysis of consumption characteristics in low voltage networks focused on reactive power [PDF]

EPJ Web of Conferences
In recent years, a change has been observed in the direction of reactive power flow between transmission and distribution systems. This trend has been reported in several European countries, including Slovakia.
Stanko Pavel, Regula Michal, Krcho Jakub
doaj   +1 more source

Mu-Negative Metamaterials Seen as Band-Limited Non-Foster Impedances in Inductive Power Transmission Systems

Journal of Microwaves, Optoelectronics and Electromagnetic Applications, 2019
In the last decade, various works have demonstrated that a class of artificial material called metamaterials (MTM) can synthesize mu-negative (MNG) media capable of evanescent-wave focusing which largely enhances the magnetic coupling between coils ...
Jorge V. de Almeida, Gláucio L. Siqueira, Marbey M. Mosso, Carlos A. F. Sartori   +3 more
doaj   +1 more source

Devised Technology for Wireless Power Transmission

Journal of Mechanical Engineering
Wireless charging of gadgets is one of the new emerging technologies in the world at the moment. The most common method used at the moment is wireless power transfer by inductive coupling.
Muhanned Al-Rawi
doaj   +1 more source

A comprehensive review of wireless power transfer methods, applications, and challenges

Engineering Reports
Wireless power transfer (WPT) is a promising technology that has the potential to revolutionize the present methods of power transmission. This paper aims to provide an overview of WPT, including its history, a comparative review of methods, and a review
Md Mahidur Rahman, Md Shahariar Islam Shanto, Nayan Sarker, Tithi Rani, Liton Chandra Paul   +4 more
doaj   +1 more source

Research on Design of Plate-type Electromagnetic Coupler in Underwater Inductive Power Transmission

MATEC Web of Conferences, 2015
Magnetic coupler has a good application in the field of underwater sensor. Magnetic coupler at work, interference by underwater complex situation, stability and efficiency of charging device of the gap is larger fluctuations.
Qu Li-yan, Sun Dao-he
doaj   +1 more source

Investigation of current balance methodologies for inductive power transfer coupler with multiple branches

IET Power Electronics
In the inductive power transfer (IPT) system, using multiple coil branches instead of a whole large coil can effectively solve the thickness problem and save space.
Mengna Luo, Zhicong Huang
doaj   +1 more source

A fixed‐frequency control method for wireless power transmission battery chargers using a dual‐function compensator

IET Power Electronics
High efficiency and unity power factor (PF) are the most important requirements of a wireless charger system simultaneous with the output voltage regulation. Achieving all above‐mentioned criteria in a wide range of the load is challenging in the system.
Sina Bajelvand, Amir Babaki, Alireza Jafari‐Natanzi, Ali Yazdian Varjani, Sadegh Vaez‐Zadeh   +4 more
doaj   +1 more source

Reactive power adjustable ability of HVDC under steady state condition

电力工程技术
The high voltage direct current (HVDC) converter has a certain dynamic reactive power regulation ability. Making full use of the reactive power regulation ability of the converter station can significantly improve the stability of the HVDC. In this paper,
GUAN Xiaoyu, WANG Juanjuan, HE Qihao
doaj   +1 more source