supported by National Key R&D Program of China(No.2022YFB4202304)。
Grid-following voltage source converter(GFLVSC)and grid-forming voltage source converter(GFM-VSC)have different dynamic characteristics for active power-frequency and reactive power-voltage supports of the power grid....
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 in part by the National Key Research and Development Program of China(No.2022YFB2402700);in part by the Science and Technology Project of State Grid Corporation of China(No.52272222001J).
With the rapid increase in the installed capacity of renewable energy in modern power systems,the stable operation of power systems with considerable power electronic equipment requires further investigation.In conver...
In line commutated converter based high-voltage direct current(LCC-HVDC)transmission systems,the transformer saturation can induce harmonic instability,which poses a serious threat to the safe operation of the power s...
supported in part by National Natural Science Foundation of China(No.52177193);in part by China Scholarship Council(CSC)State Scholarship Fund International Clean Energy Talent Project(No.[2019]157)。
Two-level totem-pole power factor correction(PFC)converters in critical conduction mode(CRM)suffer from the wide regulation range of switching frequency.Besides,in highfrequency applications,the number of switching ti...
supported by the National Natural Science Foundation of China(No.U2066602)。
This letter studies large-disturbance stability of the power system with a synchronous generator(SG)and a converter-interfaced generation(CIG)connected to infinite bus.The power system is multi-timescale and first sim...
supported in part by Natural Sciences and Engineering Research Council(NSERC)of Canada,MITACS,Manitoba HVDC Research Center。
Power converters and their interfacing networks are often treated as modular state-space blocks for small-signal stability studies in microgrids;they are interconnected by matching the input and output states of the n...
supported in part by the National Natural Science Foundation of China(No.U2166602);in part by the Major Special Project of Hunan Province(No.2020GK1010);in part by the Innovation Young Talents Program of Changsha Science and Technology Bureau(No.kq2107005).
Line commutated converter based high-voltage direct-current(LCC-HVDC)transmissions are prone to harmonic oscillation under weak grids.Impedance modeling is an effective method for assessing interaction stability.First...
supported by the National Key Research and Development Program of China (No.2021YFB2400900);the Joint Funds of National Natural Science Foundation of China (No.U2166602);the National Natural Science Foundation of China (No.52207200);the Major Special Project of Hunan Province (No.2020GK1010)。
Earlier studies have reported some calculation methods for commutation failure fault level(CFFL) in line-commutated-converter based high-voltage direct current(LCCHVDC) system under single-line-to-ground(SLG) faults. ...