Zobrazeno 1 - 10
of 1 984
pro vyhledávání: '"distance protection"'
Autor:
WANG Xingguo, YU Su
Publikováno v:
Zhejiang dianli, Vol 43, Iss 7, Pp 20-28 (2024)
Following a fault on an AC transmission line for new energy， the fault response of the new energy power supply can influence the operation of distance protection. Therefore， leveraging the control strategy of the new energy power supply， this s
Externí odkaz:
https://doaj.org/article/27bf0604d2334219a325c6cef762d011
Akademický článek
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Publikováno v:
e-Prime: Advances in Electrical Engineering, Electronics and Energy, Vol 9, Iss , Pp 100708- (2024)
Cross-country faults can adversely affect the operation of protection devices. Relays whose pickup is based on overcurrent or impedance elements are more likely to fail during cross-country faults. The failure can be expressed as an unnecessary trip
Externí odkaz:
https://doaj.org/article/bcdfd00f5c5f4b3d9086ca3fbc06a024
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 160, Iss , Pp 110081- (2024)
Time-domain distance protection has a good transient performance and operation speed when applied to wind power transmission lines. In this paper, the error analysis and improved method of phase-to-phase time-domain distance protection are investigat
Externí odkaz:
https://doaj.org/article/94b48fc085414f3bb66bc127c7090804
Publikováno v:
e-Prime: Advances in Electrical Engineering, Electronics and Energy, Vol 9, Iss , Pp 100668- (2024)
In modern power systems, Thyristor Controlled Series Capacitor (TCSC)-compensated transmission lines are crucial in transporting bulk power from large wind farms. However, the performance of conventional distance relays is adversely impacted by the t
Externí odkaz:
https://doaj.org/article/6c66c25e19a54e3786c939f31399904c
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 159, Iss , Pp 110049- (2024)
The fault current of the photovoltaic (PV)/battery energy storage (BES) hybrid power generation system contains harmonic components, which might cause the maloperation of the distance relay. The time-domain distance protection has attracted more atte
Externí odkaz:
https://doaj.org/article/32e77cb5018e4a30ae6256673393c7e6
Publikováno v:
Energies, Vol 17, Iss 14, p 3433 (2024)
South Africa is currently experiencing an energy crisis because of a mismatch between energy supply and demand. Increasing energy demand necessitates the adequate operation of generation and transmission facilities to maintain the reliability of the
Externí odkaz:
https://doaj.org/article/fa3195cf214c48239aba45d5edd6e948
Autor:
Asmaa M. Aboelezz, Abdelfattah A. Eladl, Mohamed T. Abo Amasha, Manar H. Elderigi, Mohamed A. Mohamed, Sara W. Aldoadoa, Abdelrahman R. Elhamedy, Hana M. Alnegeri, Taher M. Elshreef, Ali A. Eldwany, Mohanad S. Shabka, Bilal Naji Alhasnawi, Bishoy E. Sedhom, Vladimír Bureš
Publikováno v:
Energy Reports, Vol 10, Iss , Pp 4183-4197 (2023)
Multiterminal High-Voltage Direct Current (MT-HVDC) systems offer numerous benefits compared to conventional alternating current (AC) power systems, including higher power density and improved efficiency. However, the need for adequate protection sch
Externí odkaz:
https://doaj.org/article/e52569a606924ca48f1091d9b09dd5b0
Publikováno v:
IET Generation, Transmission & Distribution, Vol 17, Iss 9, Pp 2156-2168 (2023)
Abstract Although inverter‐interfaced renewable energy sources (IIRESs) have great economic and environmental benefits, their fault current characteristics differ from those of synchronous generators. IIRESs also comply with modern grid code (GC) r
Externí odkaz:
https://doaj.org/article/fa3469911d4248f6992db0b88e9ce053
Publikováno v:
电力工程技术, Vol 42, Iss 3, Pp 250-257 (2023)
To further improve the performance of distance protection in renewable energy systems, a distance protection method is proposed, which considers the effects of control system and the distributed capacitance effect of the line. When an asymmetric faul
Externí odkaz:
https://doaj.org/article/7c71a50c8a264573b883a0c6fff7bd1d