Results 41 to 50 of about 128,171 (294)

Stability Analysis of Multi-Inverters Grid-Connected System Using Improved Current Source Impedance Ratio Criterion

Elektronika ir Elektrotechnika, 2019
Stability analysis of multi-inverters grid-connected system in electric vehicles power station is presented in this paper. An equivalent circuit model of the multi-inverters grid-connected system is built based on electrical network theory.
Hu Guozhen, Mao Ling, Liu Jun, Zhang Lei, Fang Zhi Jian   +4 more
doaj   +1 more source

Modeling and grid impedance variation analysis of parallel connected grid connected inverter based on impedance based harmonic analysis [PDF]

IECON 2014 - 40th Annual Conference of the IEEE Industrial Electronics Society, 2014
This paper addresses the harmonic compensation error problem existing with parallel connected inverter in the same grid interface conditions by means of impedance-based analysis and modeling. Unlike the single grid connected inverter, it is found that multiple parallel connected inverters and grid impedance can make influence to each other if they each
JunBum Kwon, Xiongfei Wang, Claus Leth Bak, Frede Blaabjerg   +3 more
openaire   +1 more source

Multi-terminal HVDC grids with inertia mimicry capability [PDF]

, 2016
The high-voltage multi-terminal dc (MTDC) systems are foreseen to experience an important development in the next years. Currently, they have appeared to be a prevailing technical and economical solution for harvesting offshore wind energy. In this study,
Gharehpetian, Gevorg B., Luna Alloza, Álvaro, Rodríguez Cortés, Pedro, Rouzbehi, Kumars, Zhang, Weiyi   +4 more
core   +2 more sources

Impedance remodeling control strategy of grid-connected inverter with inertia-damping phase-locked loop under extremely weak grid

International Journal of Electrical Power & Energy Systems
The operation of the grid-connected inverter (GCI) in weak grid conditions presents a risk of instability due to the presence of high grid impedance and the negative impedance effect of the phase-locked loop (PLL).
Youjun Zhu, Jinbin Zhao, Zhiwei Zeng, Ling Mao, Keqing Qu   +4 more
doaj   +1 more source

Comparing D-Bar and Common Regularization-Based Methods for Electrical Impedance Tomography [PDF]

, 2019
Objective: To compare D-bar difference reconstruction with regularized linear reconstruction in electrical impedance tomography. Approach: A standard regularized linear approach using a Laplacian penalty and the GREIT method for comparison to the D-bar ...
Adler, A., Hamilton, Sarah J., Lionheart, W.R.B.   +2 more
core   +2 more sources

Adaptive fuzzy-based stability control and series impedance correction for the grid-tied inverter

Mathematical Biosciences and Engineering, 2023
The regenerative braking in the tram allows the energy to be returned to the power grid through a power inverter. Since the inverter location between the tram and the power grid is not fixed, resulting in a wide variety of impedance networks at grid ...
Sue Wang , Chaohong Zhou, Saleem Riaz, Xuanchen Guo, Haider Zaman, Alsharef Mohammad, Ahmad Aziz Al-Ahmadi , Yasser Mohammed Alharbi , NasimUllah   +8 more
doaj   +1 more source

A synthetic benzoxazine dimer derivative targets c‐Myc to inhibit colorectal cancer progression

Molecular Oncology, EarlyView.
Benzoxazine dimer derivatives bind to the bHLH‐LZ region of c‐Myc, disrupting c‐Myc/MAX complexes, which are evaluated from SAR analysis. This increases ubiquitination and reduces cellular c‐Myc. Impairing DNA repair mechanisms is shown through proteomic analysis.
Nicharat Sriratanasak, Bodee Nutho, Worawat Wattanathana, Narumon Phaonakrop, Bunnatut Panasawatwong, Katharina Erlenbach‐Wuensch, Sittiruk Roytrakul, Regine Schneider‐Stock, Pithi Chanvorachote   +8 more
wiley   +1 more source

Improved Fractional-order Damping Method for Voltage-controlled DFIG System Under Weak Grid

Journal of Modern Power Systems and Clean Energy, 2022
When a doubly-fed induction generator (DFIG) is connected to a weak grid, the coupling between the grid and the DFIG itself will increase, which will cause stability problems. It is difficult to maintain the tracking accuracy and ro-bustness of the phase-
Zhen Xie, Xiang Gao, Shuying Yang, Xing Zhang   +3 more
doaj   +1 more source

Exploiting metabolic adaptations to overcome dabrafenib treatment resistance in melanoma cells

Molecular Oncology, EarlyView.
We show that dabrafenib‐resistant melanoma cells undergo mitochondrial remodeling, leading to elevated respiration and ROS production balanced by stronger antioxidant defenses. This altered redox state promotes survival despite mitochondrial damage but renders resistant cells highly vulnerable to ROS‐inducing compounds such as PEITC, highlighting redox
Silvia Eller, Susanne Ebner, Carmen Haselrieder, Julia K. Günther, Astrid Drasche, Sophie Strich, Chiara Volani, Andrea Medici, Aleksandar Nikolajevic, Alex Deltedesco, Johannes E. Sigmund, Michael J. Blumer, Martin Hermann, Johanna Vanacker, Gerald Brandacher, Eduard Stefan, Omar Torres‐Quesada, Jakob Troppmair   +17 more
wiley   +1 more source

Impedance-Phase and Magnitude Control Method to Improve Stability of Grid-Connected Inverters in Weak Grid

CSEE Journal of Power and Energy Systems
Grid impedance and phase-locked loop (PLL) are critical factors for the stability of the grid-connected inverters (GCIs) in a weak grid. They are the positive feedback control loops formed by PLL in the GCI with grid impedance.
Chunming Tu, Jiayuan Gao, Fan Xiao, Qi Guo, Fei Jiang   +4 more
doaj   +1 more source