Results 101 to 110 of about 1,710 (215)
Renmin ZhujiangIn the face of the increasingly severe peak shaving pressure on both sending and receiving power grids of the high voltage direct current (HVDC) of large-scale hydropower stations,a short-term optimal scheduling model that takes into account peak shaving
ZHOU Binbin +5 more
doaj
, 2018 The protection system of high-voltage direct-current (HVDC) system must detect, identify, and isolate the fault quickly to keep the system stable by only isolating the components that are under fault, while leaving the rest of the network in operation ...
Pong, PWT +5 more
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Mitigation of Magnetic Field Levels in Bipolar Transmission Lines of 500 and 600 kV in HVDC
EnergiesHigh-Voltage Direct Current (HVDC) systems are transforming the global energy landscape, distinguished by their efficiency, stability, and low impact on the electrical grid.
Jorge Luis Aguilar Marin +5 more
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Power converter fault analysis in hvdc transmission line
, 2021 Nüfus artışı, büyüyen kentler, artan enerji talebi ve artan çevre sorunları enerji iletim sistemlerinin yetersiz kalmasına yol açmaktadır. Özellikle yoğun nüfuslu bölgelerde yeni HVAC iletim hatlarının yapılması için yeterli alanı bulmak giderek zorlaşmaktadır.
openaire +2 more sources
Discover Applied SciencesWhile HVAC systems have evolved through advanced designs such as BOLD and compact high surge impedance lines to enhance performance and reduce right-of-way requirements, HVDC remains the preferred solution for long-distance bulk power transmission due to
Aya M. Fathy +2 more
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Reliability Improvement Strategies for HVDC Transmission System
, 2013 This paper analyses reliability data of HVDC systems of Southern China Power Grid. The weak links of HVDC sys-tems ’ operational reliability are DC control and protection, valve hall and valve cooling system and transmission ...
Yidong Hong, Tao Yu
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Transmission Lines: Issues Associated with High-Voltage Direct-Current Transmission Lines along Transportation Rights of Way [PDF]
, 2008 Correspondence issued by the Government Accountability Office with an abstract that begins "Electricity is central to the national economy and the daily lives of many Americans, powering homes, businesses, and industries.
United States. Government Accountability Office.
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A Novel Protection of Transmission Lines for Two ±500kV HVDC Systems Erected on the same Tower
, 2011 Up to now, there is no precedent of applying two bipole lines (TBL) on the same tower technology of long-distance HVDC transmission project in the world.
Hui Hui Luo +3 more
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A Review On Hvdc Transmission Line Protection With Different Techniques
, 2016 This paper presents overview on methods which is used for locating faults on the HVDC transmission lines. Different methods like Distance Protection Method, Discrete Fourier Transform (DFT), Hilbert-Huang Transform Method, Independent Component Method, Fuzzy Logic Method, Wavelet Transform (WT), Natural Frequency Method, Artificial Neural Network (ANN)
Mr. Shrishail H. Patale +1 more
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EnergiesA fault on the DC side of a flexible HVDC system, along with the rise in short-circuit current, develops rapidly. With the gradual expansion of flexible HVDC technology to large capacities and long-distance transmission and offshore transmission ...
Zhuoya Wang, Liangliang Hao, Zemin Wang
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