An Active Ground Fault Location Method for Low-Voltage DC Lines Based on DFFT
Zhongguo dianli, 2023 For the problem of locating ground faults in low-voltage DC cable lines containing power electronic transformers, a single-ended volume fault location method using power electronic transformers with active injection is proposed for rapid fault detection ...
Fulu CAO +4 more
doaj +1 more source
Influence of grid configuration on current conducting behaviour in PV installations [PDF]
, 2011 On the roof of an industrial site a 385 kWp PhotoVoltaic installation is operational. When production of this system reaches 60% of the installed power, the circuit breaker trips.
Debruyne, Colin +3 more
core +2 more sources
Dual-timescale control for power electronic zigzag transformer
CES Transactions on Electrical Machines and Systems, 2017 Power electronic zigzag transformer is an attractive solution for the flexible interconnection of smart distribution networks. It is constituted by slow-response and low-precision thyristor converters and fast-response and high-accuracy voltage source ...
Chunpeng Zhang, Zhengming Zhao
doaj +1 more source
State feedback linearized model for phase-controlled series-parallel resonant converters [PDF]
, 2011 This paper proposes a linearized large-signal state space model for phase-controlled series-parallel resonant converter. The model combines multiple-frequency and average state-space modeling techniques to generate a universal model with DC state ...
Aboushady, A.A. +3 more
core +2 more sources
Research on lightning stroke model and characteristics of electronic transformer
MATEC Web of Conferences, 2018 In order to improve the reliability of power supply, a large number of electronic voltage and current transformers are used in digital substations. In this paper, the mathematical model of the electronic transformer is analyzed firstly, and its circuit ...
Li Mu +3 more
doaj +1 more source
The application of power electronic transformer in distribution power system [PDF]
Proceedings of the 4th International Conference on Information Technology and Management Innovation, 2015 KEYWORD: Power electronic transformer; High-frequency transformer; Power quality; The power supply reliability. ABSTRACT: Transformer for electric energy conversion of the most basic components in power system, is also one of the most widely used electrical equipment, its operation stability, the quality of power supply and technical and economic ...
G.Y. Qiu, J.Y. Bian
openaire +1 more source
High Frequency Transformers for Solid-State Transformer Applications
Applied Sciences, 2023 This paper focuses on the study of the high frequency transformer incorporated in solid- state transformers, specifically on the development of the steps that enable the design of an optimized high frequency transformer and its equivalent model based on ...
Nuno Santos +5 more
doaj +1 more source
Solid-State Transformers for Interfacing Solar Panels to the Power Grid: An Optimum Design Methodology of a High Frequency Transformer for dc-dc Converter Applications [PDF]
, 2016 Nowadays the use of power electronic interfaces to integrate distributed generation with the power grid is becoming relevant due to the increased penetration of renewable energy sources like solar, and the continued ...
George, Kenny
core +2 more sources
Ancillary Services in Hybrid AC/DC Low Voltage Distribution Networks [PDF]
, 2019 In the last decade, distribution systems are experiencing a drastic transformation with the advent of new technologies. In fact, distribution networks are no longer passive systems, considering the current integration rates of new agents such as ...
Barragán Villarejo, Manuel +4 more
core +1 more source
Structural biology of ferritin nanocages
FEBS Letters, EarlyView.Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley +1 more source