National Natural Science Foundation of China,Grant/Award Numbers:51922062,52241701。
The occurrence of breaking overvoltage in a DC circuit breaker(DCCB)poses a potential threat to the safe operation of a DC grid.Based on the structure of the�10 kV three-terminal DC distribution network,this paper set...
supported by the National Key R&D Program of China(2022YFB2403100).
Bipolar blocking and commutation failure in the renewable energy transmission system through ultra-high voltage direct current will produce significant temporary overvoltage.This paper analyzes the physical process of...
the National Natural Science Foundation of China(22325902 and 51671107);Haihe Laboratory of Sustainable Chemical Transformations.
Rechargeable lithium-oxygen(Li-O_(2))batteries have attracted wide attention due to their high energy density.However,the sluggish cathode kinetics results in high overvoltage and poor cycling performance.Ruthenium(Ru...
supported in part by the National Natural Science Foundation of China under Grant 52307141, Grant 52237005 and Grant 52177117;in part by Sichuan Science and Technology Program 2021JDTD0016。
High-voltage direct current(HVDC) transmission is a crucial way to solve the reverse distribution of clean energy and loads. The line commutated converter-based HVDC(LCCHVDC) has become a vital structure for HVDC due ...
National Natural Science Foundation of China,Grant/Award Numbers:52277166,51922090,51837009。
When a high-speed train approaches the insulated phase-splitting section embedded between neighbouring power supply arms,the vacuum circuit breaker(VCB)installed on trains must be disconnected to maintain the traction...
Purpose–Auxiliary power system is an indispensable part of the train;the auxiliary systems of both electric locomotives and EMUs mainly are powered by one of the two ways,which are either from auxiliary windings of t...
The series line-commutated converter(LCC)and modular multilevel converter(MMC)hybrid high-voltage direct current(HVDC)system provides a more economical and flexible alternative for ultra-HVDC(UHVDC)transmission,which ...
supported in part by the National Key Research and Development Program of China(No.2017YFE0300104);in part by National Natural Science Foundation of China(No.51821005)。
The China Fusion Engineering Test Reactor plans to build a 200 k V/25 A acceleration grid power supply(AGPS)for the negative-ion-based neutral beam injector prototype system.The AGPS uses a rectifier-inverter-isolated...
Natural Science Foundation of Hunan Province,Grant/Award Number:S2019JJQNJJ0386;National Natural Science Foundation of China,Grant/Award Number:52077068。
The multiple reignitions of vacuum circuit braker(VCB)while switching off the shunt reactor in an offshore wind farm(OWF)would produce a high overvoltage.The post-arc process of ion movement in the vacuum interrupter ...
The increasing applications of net-zero energy buildings (NZEBs) will lead to more frequent and larger energy interactions with the connected power grid, thereby being able to result in severe grid overvoltage risks. ...