Modular multilevel converter-based high-voltage direct current(MMC-HVDC)technology is advancing rapidly in modern power systems,striving for higher voltage levels and greater power transmission capacity.Real-time simu...
National Natural Science Foundation of China,Grant/Award Number:52037003;Key Science and Technology Special Plan Project of Yunnan,Grant/Award Number:202002AF080001。
Line-commuted converter(LCC)-voltage source converter(VSC)hybrid high voltage direct current(HVDC)transmission system is an innovative technology,the existing LCC and VSC protection require setting,and it is difficult...
National Key R&D Program of China,Grant/Award Number:2021YFB2401705。
Because DC conductivities of oil-paper materials can be easily affected by electric field and temperature,the electrical properties under electro-thermal coupling of oil-paper materials should be considered when optim...
National Natural Science Foundation of China,Grant/Award Number:52077012;the Science and Technology Project of China Southern Power Grid,Grant/Award Number:CGYKJXM20190190;China Southern Power Grid。
The winding current harmonic content of converter transformer in operation is rich.However,affected by harmonics,the radial vibration characteristics are quite different from the power transformer,structural loosening...
National Natural Science Foundation of China,Grant/Award Number:51977073;China Postdoctoral Science Foundation,Grant/Award Number:2020M680484;Fundamental Research Funds for the Central Universities,Grant/Award Number:2021MS003。
The standardised design and operational reliability enhancement of the flexible DC converter valve are impending with the construction of high shares of renewables and power electronics power system.A power frequency ...
National Natural Science Foundation of China,Grant/Award Number:51907144;Fundamental Research Funds for the Central Universities,Grant/Award Number:2042019kf0004。
High-voltage withstand tests are essential for electric equipment like power transformers,electric cable lines,gas insulated switchgears etc.The partial discharge(PD)measurement for such equipment under applied high v...
supported by the Science and Technology Project of State Grid Corporation of China(SGLND K00KJJS1900250);the National Natural Science Foundation of China(51807045);the National Key Research and Development Program of China(2017YFB0902702).
Ultra high voltage(UHV)converter transformer valve‐side bushings are the key equipment indirect current(DC)transmission projects,and are subjected to high voltage and large current with large number of harmonics simu...
A high voltage direct current(HVDC)grid is a network that contains multiple AC/DC and DC/DC converters interconnected with DC lines radially and in meshes.It is considered to be one of the best solutions for renewable...
the National Natural Science Foundation of China,grant no.51777085.
DC-DC modular multilevel converter(DC-DC MMC)is an attractive candidate for high-voltage DC(HVDC)interconnections since it can provide the required voltage matching,galvanic isolation and flexible power control abilit...
supported by a grant overseen by the French National Research Agency(ANR)as part of the‘Investissements d'Avenir’Program(ANE-ITE-002-01).
High-voltage direct current(HVDC)is more and more often implemented for long distance electrical energy transmission,especially for off-shore wind farms.In this study,a full DC off-shore wind farm,which requires a hig...