Zobrazeno 1 - 10
of 592
pro vyhledávání: '"line-commutated converter"'
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 159, Iss , Pp 110057- (2024)
The hybrid high-voltage direct current (HVdc) transmission that combines line-commutated converters (LCCs) at the sending end and modular multilevel converters (MMCs) at the receiving end is a promising choice for integrating bulk renewable power tra
Externí odkaz:
https://doaj.org/article/9356613168f648d8be78122940ec09f4
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 10, Iss 2, Pp 617-628 (2024)
Line-commutated converter (LCC)-based high-voltage DC (HVDC) systems have been integrated with bulk AC power grids for interregional transmission of renewable power. The nonlinear LCC model brings additional nonconvexity to optimal power flow (OPF) o
Externí odkaz:
https://doaj.org/article/1e46f3d902794f24b820280fbaf2fcae
Autor:
Yifeng Liu, Xiaoping Zhou, Quan Chen, Hanhang Yin, Lerong Hong, Hao Tian, Ying Chen, Siyuan Li
Publikováno v:
Journal of Modern Power Systems and Clean Energy, Vol 12, Iss 1, Pp 287-298 (2024)
Line commutated converter based high-voltage direct-current (LCC-HVDC) transmissions are prone to harmonic oscillation under weak grids. Impedance modeling is an effective method for assessing interaction stability. Firstly, this paper proposes an im
Externí odkaz:
https://doaj.org/article/4ad07e0187a942d58712b1e37bf86af1
Autor:
Liwen Zheng, Shiying Ma
Publikováno v:
Journal of Modern Power Systems and Clean Energy, Vol 12, Iss 1, Pp 299-312 (2024)
With the rapid development of renewable energy, wind-thermal-bundled power transmission by line-commutated converter based high-voltage direct current (LCC-HVDC) systems has been widely developed. The dynamic interaction mechanisms among permanent ma
Externí odkaz:
https://doaj.org/article/20f22f4b7a92431690be3d019d3fe0b4
Publikováno v:
Protection and Control of Modern Power Systems, Vol 8, Iss 1, Pp 1-11 (2023)
Abstract Subsequent commutation failure (SCF) can be easily generated during the first commutation failure (CF) recovery process in a line-commutated converter-based high voltage direct-current system. SCF poses a significant threat to the safe and s
Externí odkaz:
https://doaj.org/article/dbe687798ba14768a4c4da85b754b796
Publikováno v:
IET Generation, Transmission & Distribution, Vol 17, Iss 16, Pp 3718-3738 (2023)
Abstract A fault properties identification scheme for a hybrid multi‐terminal DC (MTDC) system is proposed to improve the power supply reliability in the system recovery stage. Firstly, a current signal injection strategy based on line commutated c
Externí odkaz:
https://doaj.org/article/c3a991b9b04b4d6eb64817b42a10f299
Publikováno v:
Journal of Modern Power Systems and Clean Energy, Vol 11, Iss 6, Pp 1995-2002 (2023)
Earlier studies have reported some calculation methods for commutation failure fault level (CFFL) in line-commutated-converter based high-voltage direct current (LCC-HVDC) system under single-line-to-ground (SLG) faults. The accuracy of earlier metho
Externí odkaz:
https://doaj.org/article/195ccfb8b2af4da78d4f6e841d9ff9b4
Publikováno v:
Journal of Modern Power Systems and Clean Energy, Vol 11, Iss 4, Pp 1331-1340 (2023)
This paper performs a study on three-way subsynchronous torsional interactions (SSTI) between a hybrid dual-in-feed high-voltage direct current (HVDC) system and a nuclear generator. The test case is based on the French IFA2000 line commutated conver
Externí odkaz:
https://doaj.org/article/f2fb41d664054fecad78a20bd82f0272
Publikováno v:
IEEE Access, Vol 11, Pp 56846-56857 (2023)
This paper presents a pilot protection algorithm for alternating (ac) and direct current (dc) transmission lines, the last in the line commutated converter and voltage source converter topologies. The main contribution of this research lies, in this
Externí odkaz:
https://doaj.org/article/0afba953ee3747188ff70beee8409e45
Publikováno v:
Journal of Modern Power Systems and Clean Energy, Vol 11, Iss 3, Pp 1001-1013 (2023)
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 is the so-called Baiheta
Externí odkaz:
https://doaj.org/article/46f91853b400420aa21fcf99de8408c8