National Natural Science Foundation of China,Grant/Award Number:52307199;Natural Science Foundation of Hebei Province of China,Grant/Award Number:E2022202065;S&T Program of Hebei,Grant/Award Number:21567605H。
Multi-terminal flexible high-voltage direct current(HVDC)transmission and DC grid technology are developing rapidly.The hybrid DC circuit breaker(HCB)has broad application prospects in the field of HVDC transmission a...
Leakage currents accelerate surface degradation of metal contacts via small scale arcing across lubricating films,but recent observations suggest that metallic nanoparticle additives in lubricants may be useful to imp...
financially through the Fulbright Postdoctoral-Vice Chancellor’s Postdoctoral Research Fellowship.
Silicone rubber composite is a priority electrical insulating material used in high-voltage outdoor insulation applications.Low electrical tracking/erosion and poor flame resistance performance of silicone rubber once...
supported by National Natural Science Foundation of China(No.U1966602);the Excellent Young Scientists Fund of China(No.51922090).
For high-voltage direct current(HVDC)power grid transmission with higher voltages,the energyconsuming branch of the DC circuit breaker is required to dissipate huge energies of more than megajoules in a short time in ...
Silicone rubber(SiR)composite material is a modern-day insulator for high voltage outdoor applications.The imperfection attributed to SiR is its weak resistance to tracking and erosion when exposed to an outdoor pollu...
Medium voltage switchgear is widely used in distribution network. It plays the role of power distribution, measurement, control and protection circuit in residents, factories and public service facilities. However, du...
supported by National Natural Science Foundation of China(Nos.51177005 and 51477004)
The nozzle ablation process is described as two phases of heat and ablation in the interruption for an SF6 circuit breaker in this paper. Their mathematical models are established with the Fourier heat conduction diff...
Internal arcs cause a rapid increase in pressure in electrical installations. The type of insulation gas has influence on pressure development. Typically SF6 is used incompact metal-clad switchgear, however, it has a ...
supported by Special Research Fund for Doctoral Program of Education Ministry of China (No. 20092102110001);Natural Science Foundation of Liaoning Province of China (No. 201102169);National Natural Science Foundation of China (No. 51277123)
In the computational process of very fast transient over-voltage (VFTO), it is essen-tial to find an accurate model for a gas insulated substation. The arcing model of the disconnector is particularly important. The...