supported in part by the National Key Research and Development Program of China under Grant 2020YFB1506800;in part by the China Postdoctoral Science Foundation under Grant 2021M692378;in part by the National Natural Science Foundation of China under Grant 51977142.
Due to dynamic interaction between converters, design of control parameters of multi-converters medium-voltage DC (MVDC) power system is much more complicated than of a single-converter situation. Open-loop and closed...
The global adoption of Electric Vehicles(EVs)is on the rise due to their advanced features,with projections indicating they will soon dominate the private vehicle market.However,improper management of EV charging can ...
supported by the EPSRC project‘Sustainable Urban Power Supply through Intelligent Control and Enhanced Restoration of AC/DC Networks'under Grant EP/T021985/1.
This paper presents a quantitative assessment of the transient stability of grid-forming converters,considering current limitations,inertia,and damping effects.The contributions are summarized in two main aspects:Firs...
INVERTER-BASED distributed generation(DG)and renewable energy sources(RESs)are recognized as key elements to address the challenge of economically harvesting energy while,at the same time,achieving net-zero targets.Ho...
supported by Guangdong Basic and Applied Basic Research Foundation(No.2022A1515240030);Shenzhen Innovation&Entrepreneurship Program(No.JSGG20211029095544001)。
With the increase of the renewable energy generator capacity,the requirements of the power system for grid-connected converters are evolving,which leads to diverse control schemes and increased complexity of systemati...
supported by the National Defense Basic Scientific Research Program of China(No.JCKY2021606B014)。
The gradual penetration of grid-forming(GFM)converters into new power systems with renewable energy sources may result in the emergence of small-signal instability issues.These issues can be elucidated using sequence ...
supported by the Science and Technology Project of State Grid Zhejiang Electric Power Co.,Ltd.(No.5211DS24000D)。
Oscillations caused by small-signal instability have been widely observed in AC grids with grid-following(GFL)and grid-forming(GFM)converters.The generalized short-circuit ratio is commonly used to assess the strength...
supported in part by the National Natural Science Foundation of China(No.52377186);the Natural Science Foundation of Guangdong Province(No.2024A1515012428);the Science and Technology Planning Project of Guangdong Province,China(No.2023A1111120023);the Basic and Applied Basic Research Foundation of Guangdong Province(No.2022A1515240026)。
The increasing adoption of grid-forming converters(GFMCs)stems from their capacity to furnish voltage and frequency support for power grids.Nevertheless,GFMCs employing the current reference saturation limiting method...
supported by the National Key Research and Development Plan,Grant/Award Number:2018YFB1503005.
A modular system of cascaded converters based on model predictive control(MPC)is proposed to meet the application requirements ofmultiple voltage levels and electrical isolation in renewable energy generation systems....
The coordinated control of parallel three-phase fourwire converters in autonomous AC microgrids is investigated in this paper.First,based on droop control,virtual impedance is inserted in positive-,negative-and zero-s...