Results 31 to 40 of about 6,324,147 (316)

Transformation of conventional transformers for enhanced DC mitigation in AC power networks with advanced grid support

e-Prime: Advances in Electrical Engineering, Electronics and Energy, 2023
The flow of quasi-DC or DC in AC networks may trigger half-cycle saturation of electrical grid transformers that could lead to their internal heating or grid collapse.
Moazzam Nazir, Klaehn Burkes, Johan H. Enslin   +2 more
doaj   +1 more source

Real Time Simulation of Power Electronics Medium Voltage DC-Grid Simulator

Energies, 2021
Power electronics medium-voltage (MV) systems must comply with the requirements defined in grid codes. These systems’ compatibility with the standards can be validated by specialized testing equipment: grid simulators.
Piotr Sobanski, Milosz Miskiewicz, Grzegorz Bujak, Marcin Szlosek, Nikolaos Oikonomou, Kai Pietilaeinen   +5 more
doaj   +1 more source

The Alternate Arm Converter: A New Hybrid Multilevel Converter With DC-Fault Blocking Capability [PDF]

, 2013
This paper explains the working principles, supported by simulation results, of a new converter topology intended for HVDC applications, called the alternate arm converter (AAC).
Merlin, Michael MC, Green, Tim C, Critchley, Roger, Crookes, Will, Hassan, Fainan, Mitcheson, Paul D, Trainer, David R   +6 more
core   +1 more source

Grid-Connected Adaptive Analysis and Control of the DC Wind Turbine Under the Grid-Side Transient Faults

IEEE Access, 2023
The grid-side transient fault ride-through problem seriously affects the stable operation of the grid-connected wind turbine. At present, the grid-connected adaptability analysis of DC wind turbine (DCWT) under the grid-side transient faults is still a ...
Zhanlong Li, Haiyang Han, Haiyun Wang, Qita Feng   +3 more
doaj   +1 more source

An improved decentralized control strategy for a PV hybrid energy storage system in an LVDC microgrid

Frontiers in Energy Research
This paper introduces an improved decentralized control strategy for a photovoltaic (PV) hybrid energy storage (HES) system (HESS) in a DC microgrid. The power sharing method of the HES system is discussed in depth.
Jianbiao Li, Jianbiao Li, Yong Chen, Yong Chen, Yue Wu, Xu Cheng, Xu Cheng, Ruixiong Yang, Ruixiong Yang   +8 more
doaj   +1 more source

A Simplified Control Method for Tie-Line Power of DC Micro-Grid

Energies, 2018
Compared with the AC micro-grid, the DC micro-grid has low energy loss and no issues of frequency stability, which makes it more accessible for distributed energy. Thus, the DC micro-grid has good potential for development.
Yanbo Che, Jinhuan Zhou, Tingjun Lin, Wenxun Li, Jianmei Xu   +4 more
doaj   +1 more source

The Optimal Acoustic Measurement Point Selection for UHV Reactors in Substations Based on Equivalent Impedance and Information Entropy Theory

IEEE Access
The operation of an Ultra-High Voltage (UHV) shunt reactor generates significant acoustic signals containing crucial information. To accurately assess the various acoustic parameters of ultra-high voltage shunt reactors, it is crucial to establish an ...
Yingwen Li, Zhen Wei, Huilian Liao, Lin Li, Peizhong Zhang, Jingyun Zhao   +5 more
doaj   +1 more source

Electric Vehicle to Power Grid Integration Using Three-Phase Three-Level AC/DC Converter and PI-Fuzzy Controller

, 2016
This paper presents the control and simulation of an electric vehicle (EV) charging station using a three-level converter on the grid-side as well as on the EV-side.
Khairy Sayed, H. Gabbar
semanticscholar   +1 more source

Scheme Design and Engineering Implementation of DC Grid-Connection and Accommodation of Photovoltaic Power

Zhongguo dianli, 2019
With the development of flexible DC technology, the construction of source-grid -load in distribution network is greatly enriched, and the new-type grid models become possible such as centralized photovoltaic DC grid-connection and DC power supply for ...
Zhaoxiang YANG, Hongjian LI, Lei CHEN, Xiangyu CHEN   +3 more
doaj   +1 more source

A Three-Level dc-dc Converter for Bipolar dc Power Grids: Analysis and Experimental Validation [PDF]

IECON 2020 The 46th Annual Conference of the IEEE Industrial Electronics Society, 2020
The concept of bipolar dc power grids has emerged, mainly due to the improvements in efficiency and offered flexibility when compared with unipolar architectures. Though, concerns of asymmetrical loads affecting voltage unbalances is the key challenge to overcome.
Vitor Monteiro, Tiago J. C. Sousa, Delfim Pedrosa, Sérgio Coelho, João Luiz Afonso   +4 more
openaire   +3 more sources