Zobrazeno 1 - 10
of 401
pro vyhledávání: '"LI Baohong"'
Publikováno v:
电力工程技术, Vol 43, Iss 4, Pp 26-35 (2024)
At present, new energy is introduced into the power system in large quantities. In order to make it replace the traditional hydropower and gas units as the black start power supply, segmentation restoration strategy of power grid based on the combine
Externí odkaz:
https://doaj.org/article/992563ee147f44d88cd813af97260529
Publikováno v:
电力工程技术, Vol 42, Iss 1, Pp 209-217 (2023)
The flexible direct current (DC) grid based on modular multilevel converter (MMC) has a high current peak value and a very fast rising speed during a DC short-circuit fault. In order to limit the impact of fault current on the system in a short perio
Externí odkaz:
https://doaj.org/article/ed5b445494df48a8903f5b14d30ca26e
Publikováno v:
电力工程技术, Vol 41, Iss 6, Pp 101-108 (2022)
The fault characteristics of direct current (DC) grids can be analyzed by addressing the grid damping characteristics. However,the frequency-dependent characteristics of the transmission line parameters are usually ignored in the conventional grid im
Externí odkaz:
https://doaj.org/article/1923e5e263df499d81740d7c8e1883b7
Publikováno v:
电力工程技术, Vol 41, Iss 5, Pp 94-102 (2022)
The line fault of the modular multilevel converter based high voltage direct current (MMC-HVDC) grid seriously threatens the safe and stable operation of the power system,and the MMC-HVDC grid topology has a significant impact on the fault current. T
Externí odkaz:
https://doaj.org/article/9c65e7fdc2c94444b953ac869760457e
Publikováno v:
电力工程技术, Vol 41, Iss 2, Pp 60-66 (2022)
In this paper,the control characteristic of cascaded hybrid high voltage direct current (HVDC) system is studied. The influence mechanism of modular multilevel converter (MMC) inverters to the whole hybrid HVDC are investigated,and the complete volta
Externí odkaz:
https://doaj.org/article/78fb75d8f7924213b8eb168d1b1d2b12
Publikováno v:
电力工程技术, Vol 41, Iss 1, Pp 40-47 (2022)
After the AC system is short-circuited, voltage source converter-high voltage direct current (VSC-HVDC) can be equivalent to a current source with a certain amplitude and phase. In this paper, based on the equivalent model of VSC-HVDC when the receiv
Externí odkaz:
https://doaj.org/article/8276c35bba8745948720acb92a44a061
Publikováno v:
Shiyan dongwu yu bijiao yixue, Vol 41, Iss 6, Pp 486-492 (2021)
ObjectiveTo investigate the effects of carbon tetrachloride (CCl4) on cardiac function and morphology in rats with acute liver injury.MethodsRat models of acute liver injury were established by intraperitoneal injection with different concentrations
Externí odkaz:
https://doaj.org/article/9a2f953c3e334516889ef54a965d71ac
Autor:
Liu, Zening, Chen, Zichao, Zhang, Jing, Liu, Junqiu, Li, Baohong, Zhang, Zhenyong, Cai, Meichao, Zhang, Zhen
Publikováno v:
In Gene 20 October 2024 925
Publikováno v:
In International Journal of Adhesion and Adhesives September 2024 134
Publikováno v:
In Displays December 2024 85