Zobrazeno 1 - 10
of 859
pro vyhledávání: '"LI Fengting"'
Publikováno v:
Gongye shui chuli, Vol 44, Iss 5, Pp 52-63 (2024)
It is an important prerequisite for proper disposal and resource utilization of sludge to improve its dewaterability with conditioning pretreatment. Conditioning based on flocculation is the most reliable and widely used technology for improving slud
Externí odkaz:
https://doaj.org/article/56bfe4c4dfe7436b9ba098d4ef419397
Publikováno v:
电力工程技术, Vol 42, Iss 4, Pp 84-93 (2023)
Flexible DC technology has revolutionary significance in flexibly solving the problem of high proportion of new energy consumption. Due to the vulnerability of high-ratio power electronic equipment and the difficulty in extracting fault information,
Externí odkaz:
https://doaj.org/article/e876cbf7941b49bd8d527731d65ab2bf
Publikováno v:
电力工程技术, Vol 42, Iss 1, Pp 98-106 (2023)
Aiming at the transient overvoltage problem of high proportion new energy multi direct current (DC) transmission system caused by DC blocking fault, the interaction mechanism between multiple DC lines is analyzed firstly and the multi-outfeed voltage
Externí odkaz:
https://doaj.org/article/2fa87989305c4793a6bb02fd8f718761
Publikováno v:
电力工程技术, Vol 41, Iss 6, Pp 82-90 (2022)
The amplitude of AC line current at the inverter side is affected by DC commutation failure and fluctuates for a short time after single-phase trip.The fluctuation range increases with the increase of the number of DC commutation failures,resulting i
Externí odkaz:
https://doaj.org/article/1797d198d7c54d27a42c216586bf783d
Publikováno v:
电力工程技术, Vol 41, Iss 5, Pp 67-75 (2022)
With the increasing installed capacity of renewable energy,the problem of wind and solar power abandonment in systems with high proportion of renewable energy is serious. It is of great significance to carry out the research on the problem of renewab
Externí odkaz:
https://doaj.org/article/29d722661cc84bba91eba063f7fcc501
Publikováno v:
Frontiers in Earth Science, Vol 10 (2023)
Inversion of gravity data is one the important steps in the interpretation of practical data. The detection of sharp boundaries between anomalous bodies and host rocks is an interesting point in the geological frameworks. The gravity inversion with s
Externí odkaz:
https://doaj.org/article/4efda1d39d874e7e87567016c3384310
Publikováno v:
电力工程技术, Vol 41, Iss 2, Pp 37-44 (2022)
Constant extinction angle control based on prediction is a basic control strategy of inverter in line-commutated converter high-voltage direct current (HVDC) system. However,system commutation failure suppression ability and system recovery are deter
Externí odkaz:
https://doaj.org/article/85954570974d4ca792b604bba0f4bf77
Publikováno v:
电力工程技术, Vol 41, Iss 2, Pp 2-9 (2022)
Aiming at the problem of subsequent commutation failure during the fault recovery period after the first commutation failure of high voltage direct current system,the recovery process is divided into the first commutation failure (stage 1),the beginn
Externí odkaz:
https://doaj.org/article/5f6dca5653b64b5c9b7aac302a32f639
Publikováno v:
电力工程技术, Vol 41, Iss 1, Pp 192-200 (2022)
If commutation failure does not occur when single-phase high resistance grounded in single-circuit AC line of inverter,then single-phase circuit breaker tripping may lead to commutation failure. Firstly,the expression of converter bus voltage after s
Externí odkaz:
https://doaj.org/article/3f4a8e17546c4bca8c49474d204e5fb3
Autor:
Tao, Renfeng1,2 (AUTHOR) 201908005@fynu.edu.cn, Li, Fengting1 (AUTHOR), Li, Yangqing3 (AUTHOR) hdlyq@163.com
Publikováno v:
Energies (19961073). Jul2024, Vol. 17 Issue 13, p3270. 21p.