Results 91 to 100 of about 17,685 (234)

Optimizing the Collaborative Supply Scheduling of Renewable Energy in the Tourism Industry Chain Using Graph Neural Networks

open access: yesEngineering Reports, Volume 8, Issue 6, June 2026.
Typical configuration of Huangshan Scenic Area. ABSTRACT To cope with the supply and demand imbalance challenge caused by the surge in energy demand in tourism‐intensive areas and the high volatility of renewable energy, this paper aims to construct a collaborative scheduling optimization model based on graph neural networks (GNNs). The model abstracts
Lixia Wang
wiley   +1 more source

Enhanced Hybrid MMC Integration into DC Microgrid for low voltage application

open access: yesMehran University Research Journal of Engineering and Technology
The Modular Multilevel Converter (MMC) is a promising converter utilised in HVDC (High Voltage Direct Current) systems. MMC has numerous advantages over other converters, such as modular structure, output voltage and current scalability, superior power ...
Saeed Ahmad Rana, Haroon Rasheed
doaj   +1 more source

Dynamic Voltage Stability Studies using a Modified IEEE 30-Bus System

open access: yesTransactions on Environment and Electrical Engineering, 2016
Power System stability is an essential study in the planning and operation of an efficient, economic, reliable and secure electric power system because it encompasses all the facet of power systems operations, from planning, to conceptual design stages ...
Oluwafemi Emmanuel Oni   +2 more
doaj   +1 more source

SBOA‐Based Multi‐Level Parallel Fuzzy Controller for AGC of Multi‐Area Power Systems With Renewable Energy and Storage

open access: yesEngineering Reports, Volume 8, Issue 6, June 2026.
Secretary Bird Optimization Algorithm (SBOA)‐optimized parallel two‐level fuzzy tilt‐derivative (TLF‐TDN) controller enhances automatic generation control in multi‐area hydro–thermal–wind systems with AC/HVDC links and SCESS. It effectively suppresses frequency deviations and tie‐line oscillations, ensuring faster settling, improved dynamic stability ...
Getaneh Mesfin Meseret   +1 more
wiley   +1 more source

Hybrid Filters To Damp Harmonic Resonance In Power Transmission Systems

open access: yesEletrônica de Potência, 2006
Problems related to harmonic propagation in transmission systems have been noticed in the last years. Passive filters, commonly used to attenuate noncharacteristic harmonics in HVDC systems, stay at risk of disconnection from the system due to ...
Lucas F. Encarnação   +4 more
doaj   +1 more source

Analysis of harmonics in subsea power transmission cables used in VSC-HVDC transmission systems operating under steady-state conditions

open access: yes, 2007
Subsea power cables are a critical component of a voltage-source converter-high-voltage direct current (VSC-HVDC) transmission system in any offshore electrical power scheme.
Bucknall, R.W.G., Chien, C.H.
core  

control-protection-grids-tudelft/Control-and-protection-of-HVDC-AC-electrical-grids-IEEE-IES-MOOC: Control and protection of HVDC/AC electrical grids

open access: yes
<p>The material was created for the course "Control and protection of HVDC/AC electrical grids" on the IEEE IES website. The repository contains models of the hybrid electrical grids in RSCAD/RTDS, OPAL-RT, MATLAB and Python.</p ...
Vaibhav Nougain   +3 more
core   +1 more source

Electric Field Determination in DC Polymeric Power Cable in the Presence of Space Charge and Temperature Gradient under dc Conditions [PDF]

open access: yes, 2008
In direct current (dc) power cable the electric field is affected by conductivity of the material, which is a function of both temperature and electric field.
Choo, Wilson   +3 more
core   +1 more source

Power System Resilience Improvement Provided by VSC-HVDC Link Flexibility

open access: yes, 2023
VSC-HVDC links can play a significant role in improving power system resilience due to their inner ability in properly regulating active and reactive powers in effective way.
Mottola F.   +4 more
core   +1 more source

Energy transmission by HVDC systems: theory and analytical simulations

open access: yes, 2023
reservedLa trasmissione di energia tramite sistema HVDC (High Voltage Direct Current) è una tecnologia utilizzata per il trasferimento efficiente di grandi quantità di energia elettrica su lunghe distanze.
NICHIFOREL, EMANUEL
core  

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