Results 41 to 50 of about 514,782 (282)

High step‐up direct ac‐ac boost converter with optimal component counts based on SEPIC

IET Power Electronics
This paper introduces a new direct step‐up ac‐ac converter designed based on the SEPIC. It provides a higher step‐up conversion ratio than other counterparts with valuable features like high efficiency, reasonable input and output total harmonic ...
Alireza Lahooti Eshkevari, Iman Abdoli, Mostafa Karimi Hajiabadi, Ali Mosallanejad   +3 more
doaj   +1 more source

A Single-Phase AC-AC Power Electronic Transformer Without Bulky Energy Storage Elements

Energies
Compared with the line-frequency transformer (LFT), the emerging power electronic transformers (PETs) have gained wide concerns due to the significant merits of higher power density, higher reliability, more flexibility, and multiple functions.
Hui Wang, Shuyang Xie, Liang Yuan
doaj   +1 more source

Stability boundary analysis in single-phase grid-connected inverters with PLL by LTP theory [PDF]

, 2017
Stability analysis of power converters in AC net¬works is complex due to the non-linear nature of the conversion systems. Whereas interactions of converters in DC networks can be studied by linearising about the operating point, the extension of the same
Costabeber, Alessando, Cox, Stephen M., Formentini, Andrea, Salis, Valerio, Zanchetta, Pericle   +4 more
core   +2 more sources

Aggressive prostate cancer is associated with pericyte dysfunction

Molecular Oncology, EarlyView.
Tumor‐produced TGF‐β drives pericyte dysfunction in prostate cancer. This dysfunction is characterized by downregulation of some canonical pericyte markers (i.e., DES, CSPG4, and ACTA2) while maintaining the expression of others (i.e., PDGFRB, NOTCH3, and RGS5).
Anabel Martinez‐Romero, Ane Martinez‐Larrinaga, Joaquim Grego‐Bessa, Saioa Garcia‐Longarte, Hielke van Splunder, Ianire Astobiza, Amaia Ercilla, Laura Bozal‐Basterra, Isabel Mendizabal, Pilar Villacampa, Arkaitz Carracedo, Mariona Graupera   +11 more
wiley   +1 more source

A new double mode control strategy for power router with very wide DC voltage range

IET Power Electronics, 2023
In household applications, the power router is a cost‐effective device for AC/DC power conversion. To make it compatible with various types of DC loads without introducing extra power conversion stages, it is important that the power router can work in ...
Jingjing Huang, Zhao Dong, Geng Li, Jinyu Wang, Jingyu Yao, Aimin Zhang   +5 more
doaj   +1 more source

Efficient Dual Output Regulating Rectifier and Adiabatic Charge Pump for Biomedical Applications Employing Wireless Power Transfer

Journal of Low Power Electronics and Applications, 2023
A power management unit (PMU) is an essential block for diversified multi-functional low-power Internet of Things (IoT) and biomedical electronics. This paper includes a theoretical analysis of a high current, single-stage ac-dc, reconfigurable, dual ...
Noora Almarri, Peter Langlois, Dai Jiang, Andreas Demosthenous   +3 more
doaj   +1 more source

Direct Power Control of Matrix Converter Based Unified Power Flow Controllers [PDF]

, 2009
This paper presents the Direct Power Control of Three-Phase Matrix Converters (DPC-MC) operating as Unified Power Flow Controllers (UPFC). Since matrix converters allow direct AC/AC power conversion without intermediate energy storage link, the resulting
Monteiro, Joaquim, Palma, João Carlos Pires da, Pinto, S. F., Silva, J. Fernando   +3 more
core   +1 more source

Transcriptional network analysis of PTEN‐protein‐deficient prostate tumors reveals robust stromal reprogramming and signs of senescent paracrine communication

Molecular Oncology, EarlyView.
Combining PTEN protein assessment and transcriptomic profiling of prostate tumors, we uncovered a network enriched in senescence and extracellular matrix (ECM) programs associated with PTEN loss and conserved in a mouse model. We show that PTEN‐deficient cells trigger paracrine remodeling of the surrounding stroma and this information could help ...
Ivana Rondon‐Lorefice, Jose I. Lopez, Aitziber Ugalde‐Olano, Maite Zufiaurre, Ianire Astobiza, Natalia Martin‐Martin, Laura Bozal‐Basterra, Saioa Garcia‐Longarte, Amaia Zabala‐Letona, Sofia Rey, Aida Santos‐Martin, Miguel Unda, Ana Loizaga‐Iriarte, Mariona Graupera, Paolo Nuciforo, Arkaitz Carracedo, Isabel Mendizabal   +16 more
wiley   +1 more source

Design and analysis of solitary AC–AC converter using reduced components for efficient power generation system

Scientific Reports
Considering different applications that require varied power and voltage conversion levels between AC grids and AC loads, AC–AC power conversion between AC grids has become an inevitable technology of energy management systems.
K. Nandakumar, V. Mohan, Faisal Alsaif, S. Senthilkumar   +3 more
doaj   +1 more source

Practicability Research on “Phase-Hopping” AC–AC Frequency Conversion Technology

IEEE Access, 2020
The “Phase-Hopping” AC-AC frequency conversion technology proposed on the basis of traditional technology has the advantages of no circulating current, no dead zone and output frequency that can be improved to close to the power frequency ...
Xu Zhengwang, Ke Kun, Jiang Guozhuang
doaj   +1 more source