Results 11 to 20 of about 24,322,276 (145)

Multi-hierarchy control strategy in abc coordinate for modular multilevel matrix converter in fractional frequency transmission system

open access: yesThe Journal of Engineering, 2019
This paper proposes a multi-hierarchy control strategy in abc coordinate for modular multilevel matrix converter (M^3C) in fractional frequency transmission system (FFTS).
Zhujian Ou, Guangzhu Wang
doaj   +2 more sources

Small Signal Model of Modular Multilevel Matrix Converter for Fractional Frequency Transmission System [PDF]

open access: yesIEEE Access, 2019
Fractional frequency transmission is a promising technology for medium distance offshore wind power transmission. The key component in the fractional frequency transmission system (FFTS) is the modular multilevel matrix converter (M3C). It is regarded as
Jiajie Luo, Xiao-Ping Zhang, Ying Xue
doaj   +2 more sources

Dynamics of power systems with wind power generation and the fractional frequency transmission system [PDF]

open access: yes, 2016
Under pressure for low carbon emissions and environmental protection, large scale wind farms are constructed and integrated into power systems to meet energy demands.
Li, Jing
core   +6 more sources

Modelling and stability analysing of fractional frequency offshore wind power system with modular multilevel matrix converter [PDF]

open access: yes, 2023
Offshore wind energy contributes significantly to the reduction of carbon emissions and the dependability on fossil fuels. Current transmission systems have been challenged by the growth trend of offshore wind power system establishments.
Lin, Kai
core   +5 more sources

Harmonic analysis of modular multilevel matrix converter for fractional frequency transmission system [PDF]

open access: yes, 2019
Fractional Frequency Transmission is a competitive technology for offshore wind power transmission. Modular Multilevel Matrix Converter (M3C) plays a key role in a Fractional Frequency Transmission System (FFTS) as the frequency changer.
Zhang, Xiao-Ping; id_orcid   +8 more
core   +1 more source

Economic analysis of fractional frequency transmission system for offshore wind farm based on levelized cost of electricity

open access: yesZhejiang dianli
In the context of large-scale and medium-and-long distance offshore wind power development, a comprehensive economic comparison has been made between fractional frequency transmission system (FFTS) and other transmission systems.
QI Lei   +6 more
doaj   +1 more source

Effects of practical impairments on cooperative distributed antennas combined with fractional frequency reuse [PDF]

open access: yes, 2012
Cooperative Multiple Point (CoMP) transmission aided Distributed Antenna Systems (DAS) are proposed for increasing the received Signal-to-Interference-plus-Noise-Ratio (SINR) in the cell-edge area of a cellular system employing Fractional Frequency Reuse
Li, Guangjun   +9 more
core   +1 more source

Radar matched filtering using the fractional fourier transform [PDF]

open access: yes, 2010
-A matched filter is the optimal linear filter for maximizing the signal to noise ratio (SNR) in the presence of additive noise. Matched filters are commonly used in radar systems where the transmitted signal is known and may be used as a replica to be ...
Clemente, Carmine   +2 more
core   +4 more sources

Feasibility study of fractional frequency transmission system applied to power system / Muhammad Adha Mohd Mansori [PDF]

open access: yes, 2014
Transmission lines play a crucial role in power transfer system. A good transmission line system is a transmission line with high power efficiency with very minimum losses.
Mohd Mansori, Muhammad Adha
core  

Achieving High ON State Current through Ferroelectric Polarization‐Dependent Interfacial Resistance Switching in Undoped Orthorhombic HfO2 Films

open access: yesAdvanced Functional Materials, EarlyView.
Ferroelectric tunnel junction devices based on epitaxial undoped ferroelectric HfO2 films demonstrate stable switching endurance of over 106 switching cycles, low write voltages of ±3 V, 16 measured resistance states, and neuromorphic capability.
Markus Hellenbrand   +13 more
wiley   +1 more source

Home - About - Disclaimer - Privacy