Results 21 to 30 of about 509,630 (301)
南方能源建设, 2019 [Introduction] Multi power transmission lines arranged in the same corridor could avoid the land division and reduce the adverse effect on the local planning and development, but the personal safety of operators in the process of towers and conductors ...
LI Biao +4 more
doaj +1 more source
Review on DC transmission systems for integrating large‐scale offshore wind farms
Energy Conversion and Economics, 2021 The exploitation of offshore wind power has increased rapidly in recent years. To gain more wind power energy, offshore wind farms move farther from onshore.
Zhengxuan Li +5 more
doaj +1 more source
A Unidirectional DC-DC Autotransformer for DC Grid Application
Energies, 2018 Conventional unidirectional DC-DC converters for DC grid application employ DC-AC-DC two-stage conversion technology and suffer from high converter cost and power loss.
Meng Zhou +4 more
doaj +1 more source
Operation and control of a current source converter series tapping of an LCC-HVDC link for integration of offshore wind power plants [PDF]
, 2016 This work presents a series tapping station for integrating Offshore Wind Power Plants (OWPP) into a (Line Commutated Converter High Voltage Direct Current) LCC-HVDC transmission system.
Galceran Arellano, Samuel +3 more
core +2 more sources
Zhongguo dianli, 2023 In order to suppress the transient overvoltage of direct current (DC) sending-end power grid and make full use of wind power in the power regulation of wind-thermal-bundled DC transmission system, a reactive voltage emergency control strategy considering
Wenjun ZHOU +5 more
doaj +1 more source
A Cycle-Based Formulation and Valid Inequalities for DC Power Transmission Problems with Switching
, 2015 It is well-known that optimizing network topology by switching on and off transmission lines improves the efficiency of power delivery in electrical networks. In fact, the USA Energy Policy Act of 2005 (Section 1223) states that the U.S.
Dey, Santanu S. +5 more
core +1 more source
Novel Sub-Harmonic Injection-Locked Balanced Oscillator [PDF]
, 2001 A novel sub-harmonic injection-locked balanced oscillator is proposed. The circuit provides two outputs with a 180° ° phase difference by employing a transmission line section for impedance transformation to meet the oscillation conditions.
Chongcheawchamnan, M. +2 more
core +1 more source
Frontiers in ElectronicsThis paper addresses the critical need to determine the stable operating limit of modular multilevel converter-based high voltage direct current (MMC-HVDC) systems, particularly concerning the integration of extensive renewable energy sources. To achieve
Maolan Peng +3 more
doaj +1 more source
p800kV DC Power Transmission Converter Valve Structure Research [PDF]
Proceedings of the 2015 4th International Conference on Computer, Mechatronics, Control and Electronic Engineering, 2015 Converter valve was the core equipment of HVDC power transmission project, followed by the three-phase AC voltage was connected to the DC side to get the desired DC voltage and realize the power of control, its value accounted for about converter station complete sets of equipment for a total of 22 ~ 25%.
Luxiang Zong +3 more
openaire +1 more source
Long-Range Response to Transmission Line Disturbances in DC Electricity Grids
, 2014 We consider a DC electricity grid composed of transmission lines connecting power generators and consumers at its nodes. The DC grid is described by nonlinear equations derived from Kirchhoff's law.
Kettemann, Stefan +3 more
core +1 more source