Review of hybrid HVDC systems combining line communicated converter and voltage source converter
International Journal of Electrical Power & Energy Systems, 2021 Hybrid HVDC system, which consists of the advantages of line commutated converter (LCC) and voltage source converter (VSC), is an emerging power transmission system. This paper presents a review of four LCC-VSC hybrid HVDC topologies.
Huangqing Xiao +4 more
semanticscholar +1 more source
The Journal of Engineering, 2019 Here, the uncontrolled rectification pre-charging characteristics of the VSC-HVDC system with different modular multilevel converter (MMC) topologies such as full-bridge, half-bridge, and hybrid topologies are proposed based on theoretical analysis and ...
Yuxin Lu +5 more
doaj +1 more source
Application of Grey Wolf Optimizer Algorithm for Optimal Power Flow of Two-Terminal HVDC Transmission System [PDF]
, 2017 This paper applies a relatively new optimization method, the Grey Wolf Optimizer (GWO) algorithm for Optimal Power Flow (OPF) of twoterminal High Voltage Direct Current (HVDC) electrical power system.
Hassan, Heba Ahmed
core +1 more source
Transient Stability Constrained Optimal Power Flow with FACTS and HVDC [PDF]
Journal of Electrical and Electronics Engineering, 2021 In power system, the study of optimal power flow (OPF) with transient stability constrained (TSC) of the mixed AC/DC networks is a big and celebrated challenging optimization problem. Because, of its effort and high complexity in its solution, this paper
AYACHI Bilel, BOUKADOUM Ahcene
doaj
Calculation Method of Allowable Continuous Current for Direct Burial Laying HVDC Underground Cable
Energies, 2021 The calculation of the continuous allowable current of an underground cable is determined by various characteristics. To calculate the allowable current in cables with alternating magnetic fields such as AC, special phenomena such as the proximity effect
Kyu-hoon Park, Il Kwon, Bang-wook Lee
doaj +1 more source
A market-based transmission planning for HVDC grid—case study of the North Sea [PDF]
, 2015 There is significant interest in building HVDC transmission to carry out transnational power exchange and deliver cheaper electricity from renewable energy sources which are located far from the load centers.
Gibescu, M +3 more
core +1 more source
Hybrid AC/DC Transmission Expansion Planning Considering HVAC to HVDC Conversion Under Renewable Penetration [PDF]
IEEE Transactions on Power Systems, 2021 In this paper, a dynamic (i.e., multi-year) hybrid model is presented for Transmission Expansion Planning (TEP) utilizing the High Voltage Alternating Current (HVAC) and multi terminal Voltage Sourced Converter (VSC)-based High Voltage Direct Current ...
Mojtaba Moradi‐Sepahvand, T. Amraee
semanticscholar +1 more source
Vegetable oil based liquid nanocomposite dielectric
South African Journal of Science, 2013 Physically smaller dielectric materials would improve the optimisation of space for power systems. Development of nanotechnology provides an effective way to improve the performances of insulating oils used in power system applications.
Leon Chetty +2 more
doaj +1 more source
Reducing Operational Costs of Offshore HVDC Energy Export Systems Through Optimized Maintenance
Energies, 2020 For the grid connection of offshore wind farms today, in many cases a high-voltage direct current (HVDC) connection to the shore is implemented. The scheduled maintenance of the offshore and onshore HVDC stations makes up a significant part of the ...
Jan Frederick Unnewehr +4 more
doaj +1 more source
Subsynchronous Oscillation Features and Control Measures for Wind Power Influx Area near HVDC
Zhongguo dianli, 2020 The power electronic devices which are widely used in wind power influx area, especially near the HVDC area, can easily produce a large number of subsynchronous harmonic.
Shengli WANG, Gang XU
doaj +1 more source