Results 71 to 80 of about 17,565 (205)
Topology assessment for 3 + 3 terminal offshore DC grid considering DC fault management [PDF]
, 2014 Peer ...
Jovcic, Dragan +3 more
core +1 more source
Energy Science &Engineering, Volume 14, Issue 3, Page 1286-1299, March 2026.This work proposes a high‐fidelity, simulation‐driven control framework for robust grid integration of hybrid PV–wind systems using a modular, hierarchical multi‐loop architecture with adaptive decision logic. The framework coordinates power, DC‐link voltage, and grid currents under fast load and generation changes, enabling safe exploration of extreme
Wulfran Fendzi Mbasso +5 more
wiley +1 more source
Comparison of different technologies for improving commutation failure immunity index for LCC HVDC in weak AC systems [PDF]
, 2015 Flexible AC Transmission System (FACTS) devices and Voltage Source Converter (VSC) High Voltage Direct Current (HVDC) systems have fast reactive power control capabilities which can be used to increase power system voltage stability.
Booth, Campbell +2 more
core +1 more source
Global Energy Interconnection, 2018 The diode rectifier unit (DRU)-based high-voltage DC (DRU-HVDC) system is a promising solution for offshore wind energy transmission thanks to its compact design, high efficiency, and strong reliability.
Rui Li, Lujie Yu, Lie Xu
doaj +1 more source
Energy Science &Engineering, Volume 14, Issue 3, Page 1505-1528, March 2026.This study presents a hierarchical coordination framework where multiple VPPs interact with the DSO to optimize energy trades and flexibility offers. Each VPP aggregates DERs and DR, performing internal optimization, day‐ahead bidding, and assessing flexibility to reduce excess renewable generation and pollution.
Alireza Zare +4 more
wiley +1 more source
Generalized Voltage-based State-Space Modelling of Modular Multilevel Converters with Constant Equilibrium in Steady-State [PDF]
, 2017 This paper demonstrates that the sum and difference of the upper and lower arm voltages are suitable variables for deriving a generalized state-space model of an MMC which settles at a constant equilibrium in steady-state operation, while including the ...
Bergna-Diaz, Gilbert +4 more
core +3 more sources
Reliability Improvement Strategies for HVDC Transmission System
Energy and Power Engineering, 2013 This paper analyses reliability data of HVDC systems of Southern China Power Grid. The weak links of HVDC systems’ operational reliability are DC control and protection, valve hall and valve cooling system and transmission lines. Some improvement measures and HVDC system reliability technology are proposed in this paper.
Yidong Hong, Tao Yu
openaire +1 more source
A Survey on HVDC Power Transmission Systems
Bilecik Şeyh Edebali Üniversitesi Fen Bilimleri Dergisi, 2020 Electric power is generated and transported globally by the means of an “Alternating Current” (AC) process. However, there are some applications in which “Direct Current” (DC) power transmission is superior to AC. Problems due to the lack of technology that provides good control and regulation for conversions of DC-to-AC and AC-to-DC hampered ...
Mahir KUTAY, Ahmad USMAN
openaire +3 more sources
High Voltage DC Active Current Injection to Simulate Geomagnetically Induced Currents in New Zealand
Space Weather, Volume 24, Issue 3, March 2026.Abstract This study investigates the effects of geomagnetically induced currents (GIC) on New Zealand's electrical infrastructure via an intentional ground injection of direct current (DC) from a high voltage DC converter station. GIC manifests as quasi‐DC currents within power systems, potentially causing transformer saturation, increased reactive ...
Soren Subritzky +11 more
wiley +1 more source
Optimal Control Design for Multiterminal HVDC [PDF]
, 2013 This thesis proposes an optimal-control based design for distributed frequency control in multi-terminal high voltage direct current (MTDC) systems.
de Courreges d'Ustou, Benoit
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