Results 21 to 30 of about 2,043,803 (299)

Switch-Based Variable Length Stubs Network for PA Load Sensitivity Reduction

IEEE Access, 2019
In Fifth Generation (5G) Multiple-Input Multiple-Output (MIMO) transceivers, Power Amplifiers (PAs) driving antenna arrays experience varying loading conditions.
Cristiano F. Goncalves, Filipe M. Barradas, Pedro M. Cabral, Jose Carlos Pedro   +3 more
doaj   +1 more source

A Low Q Three-Phase Series Resonant Converter for PV Applications

Energies, 2023
In this paper, a soft-switched three-phase resonant converter with a low quality factor (Q) design is proposed for Photovoltaic (PV) energy harvesting systems with a very wide range of operating conditions.
Abirami Kalathy, Arpan Laha, Majid Pahlevani, Praveen Jain   +3 more
doaj   +1 more source

Characterization Setup for Device Level Dynamic Load Modulation Measurements

, 2009
A dynamic load modulation characterization method is presented. The method gives insight into the device operation under dynamic load modulation conditions. The presented method is based on an active injection load-pull system.
Mattias Thorsell, Fager, Christian, Andersson, Kristoffer, Kristoffer Andersson, Christian Fager, Thorsell, Mattias   +5 more
core   +2 more sources

Optimal PI controller based PSO optimization for PV inverter using SPWM techniques

Energy Reports, 2022
This paper deals with the inverter controller utilizing Sinusoidal Pulse Width Modulation (SPWM) to control the three-phase off-grid system’s modulation index.
Maher G.M. Abdolrasol, M.A. Hannan, S.M. Suhail Hussain, Taha Selim Ustun   +3 more
doaj   +1 more source

Research on the scheme for electrical vehicle aggregators participating in the frequency modulation auxiliary service market

Zhejiang dianli, 2023
A great number of electric vehicle （EV） charging piles can participate in the electricity spot market and auxiliary service market through load aggregation to comprehensively optimize operating costs.
LUAN Jie, LI Liang, LU Feng, ZHENG Songsong, LIU Haifeng, LI Yuan, HONG Min   +6 more
doaj   +1 more source

Load Mismatch Compensation of Load-Modulated Power Amplifiers: A Comprehensive Review

Energies
With the diversification, acceleration, and arraying of wireless communication systems, power amplifiers (PAs) face stricter demands in terms of RF operation bandwidth, high-efficiency power range, and load mismatch compensation.
Yufeng Zang, Weimin Shi, Jinting Liu, Tian Qi, Mingyu Li   +4 more
doaj   +1 more source

A Comprehensive Analysis of Bandwidth and Size for Four-Types of Series-Combined Transformer-Based Doherty Output Networks: Theory and Examples

IEEE Access
This paper presents theory-driven design guidelines for four types of series-combined transformer (SCT)-based Doherty output matching networks to maximize bandwidth (BW).
Seokchul Lee, John D. Cressler
doaj   +1 more source

Coordinate strategy of dual-pulse-width-modulation converter based on direct power control with load power feed-forward

Measurement + Control, 2020
The common dual-pulse-width-modulation converter adopts the independent method to control the rectifier and inverter, which has the defects including direct current voltage fluctuation, slow system response and so on.
Bo Fan, Zhumu Fu, Kai Michels, Jiangtao Fu   +3 more
doaj   +1 more source

Integrated Control Strategy for Electrolytic Aluminum Load Participation in Frequency Modulation

IEEE Access, 2021
The introduction of electrolytic aluminum load in a large-scale power system with complex power station structure is essential for load frequency control (LFC). In this paper, we propose a control strategy for electrolytic aluminum load to participate in
Xin Shen, Hongchun Shu, Zhengyun Fan, Xi Mo   +3 more
doaj   +1 more source

Behavioral modeling of RF PAs under wideband load modulation

, 2017
This work proposes a behavioral modeling approach suitable for power amplifier (PA) operation under dynamic load modulation. The model accounts for the PA nonlinear dynamic effects by means of 1st order kernel functions of the modified Volterra ...
Lukasik, Konstanty, Gibiino, Gian Piero, Schreurs, Dominique, Alberto Santarelli, Konstanty Lukasik, Barmuta, Pawel, Dominique Schreurs, Fabio Filicori, Filicori, Fabio, Pawel Barmuta, Gian Piero Gibiino, Santarelli, Alberto   +11 more
core   +1 more source