Results 41 to 50 of about 3,063 (167)
Energy Science &Engineering, EarlyView.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
Energy InformaticsThe task scheduling problem based on directed acyclic graphs (DAGs) has been proven to be NP-complete in general cases or under certain restrictions.
Qi Guo +7 more
doaj +1 more source
High Voltage, EarlyView.ABSTRACT The proliferation of ultra‐high voltage direct current (UHVDC) transmission technology has heightened regulatory oversight of electromagnetic fields around buildings. In conventional direct current (DC) line design, the presence of residential areas was typically not taken into account.
Tahan Wang, Li Xie, Kun He, Jiayu Lu
wiley +1 more source
IEEE AccessValve-side single-phase-to-ground (SPG) faults are atypical yet critical for the operation of half-bridge (HB) Modular Multilevel converter (MMC) bipolar or asymmetrical monopolar systems.
Muhammad Usman +2 more
doaj +1 more source
Research on coordinated reactive power control strategy of hybrid-HVDC
The Journal of Engineering, 2019 Based on the hybrid HVDC transmission system, which is composed by line-commutated converter (LCC) in parallel with voltage source converter (VSC), a coordinated reactive power control strategy of hybrid-HVDC in both steady and transient states is ...
Ying Huang, Chunhua Li, Tao Liu
doaj +1 more source
Causes of high amplitude of pipe-to-soil potential under HVDC interference and influencing factors
工程科学学报, 2021 Since the 1950s, international studies have confirmed the technical advantages of high-voltage direct current (HVDC) transmission projects, such as large capacity, low loss, and high stability.
Xun YUAN +3 more
doaj +1 more source
Mesh‐Based Charge Simulation Method and Its Applications to Electrostatic Electric Field Computation
High Voltage, EarlyView.ABSTRACT The charge simulation method (CSM) is a well‐established numerical technique employed in electrostatic field calculations, primarily due to its simplicity and computational efficiency. However, conventional CSM face challenges when applied to complex geometries, as they necessitate meticulous manual placement of simulation charges and matching
Tahan Wang +5 more
wiley +1 more source
High Voltage, EarlyView.ABSTRACT The morphology and structure of electrodes play a pivotal role in determining the self‐healing performance and current‐carrying capacity of metallised biaxially oriented polypropylene (BOPP) films. An experimental setup replicating the industrial vacuum evaporation process and a custom‐designed self‐healing testing platform were specifically ...
Zhi‐Yuan Wu +6 more
wiley +1 more source
Multiterminal High‐Voltage Direct Current Projects: A Comprehensive Assessment and Future Prospects
High Voltage, EarlyView.ABSTRACT Multiterminal high‐voltage direct current (MT‐HVDC) systems are an important part of modern power systems, addressing the need for bulk power delivery and efficient renewable energy integration. This paper provides a comprehensive overview of recent advances in MT‐HVDC technology, including launched projects and ongoing initiatives.
Mohammad Hossein Mousavi +3 more
wiley +1 more source
Harmonie distortion of LCC-HVDC and VSC-HVDC link in eskom's cahora bassa HVDC scheme
2016 IEEE International Conference on Renewable Energy Research and Applications (ICRERA), 2016 Cahora Bassa, a thyristors based HVDC link transmits 1,920 MW of power from hydropower plant located in Zambezi river, north of Mozambique to Johannesburg, South Africa. This HVDC converter suffer few deficiency in its high level of harmonics distortion that transferred into its AC side of the transmission network couple with persistence rate of ...
Oni, Oluwafemi E. +1 more
openaire +2 more sources