Zobrazeno 1 - 10
of 639
pro vyhledávání: '"Pilot protection"'
Autor:
Yingyu Liang, Xiaoyang Yang
Publikováno v:
Results in Engineering, Vol 24, Iss , Pp 103370- (2024)
In light of the challenges faced by existing protection methods when battery energy storage station (BESS) and various nonideal conditions emerge, enhanced Kullback–Leibler divergence-based time-domain pilot protection is put forward in this articl
Externí odkaz:
https://doaj.org/article/510a522b3180408eb28607cd1008dda6
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 162, Iss , Pp 110263- (2024)
To address the problems of poor speed performance and the large influence of the distributed capacitance of traditional pilot differential protection, a pilot protection scheme based on the characteristics of the transient voltage waveform is propose
Externí odkaz:
https://doaj.org/article/65acf7cdf6bd479b849850ecce2d4ebd
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 161, Iss , Pp 110186- (2024)
The All-DC wind power generation system can effectively solve the harmonic resonance problem caused by large-scale wind power AC collection and transmission, gradually becoming a hot topic in future research. However, there are few studies on the rel
Externí odkaz:
https://doaj.org/article/e5d8cfeacf994d5ebb7cfc4efff5ec42
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 161, Iss , Pp 110184- (2024)
The half-wavelength transmission system is a viable technology for long-distance and large-capacity power transmission. It can safely and efficiently transmit a large amount of clean energy to remote load centers. However, the traditional traveling w
Externí odkaz:
https://doaj.org/article/5582a9460ad441e0b7f33fb4ef106644
Publikováno v:
IET Generation, Transmission & Distribution, Vol 18, Iss 7, Pp 1404-1420 (2024)
Abstract Affected by inverter station commutation failure and fast control, line fault characteristics are obviously different from traditional AC transmission line fault characteristics. The existing protection methods for AC line connected to line
Externí odkaz:
https://doaj.org/article/89c468d310c94297bbf29dfb2cde1d37
Publikováno v:
IET Generation, Transmission & Distribution, Vol 18, Iss 7, Pp 1466-1477 (2024)
Abstract Reliable and fast identification of high‐voltage direct current (HVDC) transmission line faults is important to the safety of power system. In traditional DC transmission line protection, differential protection is invulnerable to high fau
Externí odkaz:
https://doaj.org/article/cf0c0c77a5794059aea00590d71238f5
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 160, Iss , Pp 110098- (2024)
The pilot directional protection based on amplitude comparison of the traveling wave (TW) has good performance in flexible DC transmission systems. However, this type of protection may fail to detect internal line faults correctly, as the amplitude o
Externí odkaz:
https://doaj.org/article/a23f5e4d2ec4482090ed65e8aefd1bda
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 158, Iss , Pp 109957- (2024)
Conventional protection schemes for wind farm-flexible flexible direct current (DC) system transmission lines are susceptible to malfunctions in external fault scenarios and exhibit limited immunity to fault resistance in internal fault scenarios. In
Externí odkaz:
https://doaj.org/article/41aeaea323544dbd8d7cb6253f46b13f
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 158, Iss , Pp 109983- (2024)
To create HWTL characteristics, the electrical distance of AC transmission lines is compensated to half the power frequency wavelength by utilizing tuned circuits. The LCL-tuned circuit exhibits low-pass filtering characteristics, blocking the transm
Externí odkaz:
https://doaj.org/article/f2d0a5775dc149fc8e31de6e6126c3dc
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 10, Iss 3, Pp 891-902 (2024)
A hybrid UHVDC transmission system applying LCC as the rectifier and MMC as the inverter combines the advantages of both converter types, which makes this protection scheme more complicated. A new pilot protection scheme for a three-terminal hybrid D
Externí odkaz:
https://doaj.org/article/c5627abdb42744fd8dcd0718218ded77