Browsing Institutt for elkraftteknikk by Journals "Energies"
Now showing items 21-36 of 36
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Medium-Term hydropower scheduling with variable head under inflow, energyand reserve capacity price uncertainty
(Journal article; Peer reviewed, 2019)We propose a model for medium-term hydropower scheduling (MTHS) with variable head and uncertainty in inflow, reserve capacity, and energy price. With an increase of intermittent energy sources in the generation mix, it ... -
Mitigation of Asymmetrical Grid Faults in Induction Generator-Based Wind Turbines Using Constant Power Load
(Journal article; Peer reviewed, 2013)Constant power loads (CPLs), interfaced through active rectifiers can be used for improving the stability of induction generator (IG)-based wind turbines under balanced grid voltage dips by providing the reactive power. ... -
Modeling of MMC for Fast and Accurate Simulation of Electromagnetic Transients: A Review
(Journal article; Peer reviewed, 2017)Over the past decade, modular multilevel converters have evolved as the preferred choice for high voltage conversion systems. The design of the converter poses a computational challenge to the classical electromagnetic ... -
Modular multilevel converter for photovoltaic application with high energy yield under uneven irradiance
(Peer reviewed; Journal article, 2020)The direct integration of Photovoltaic (PV) to the three-phase Modular Multilevel Converter (MMC) without dc–dc converters results in high-efficiency PV power plant with increased energy yield. The arm power control method ... -
Norway as a Battery for the Future European Power System—Impacts on the Hydropower System
(Journal article; Peer reviewed, 2017)Future power production in Europe is expected to include large shares of variable wind and solar power production. Norway, with approximately half of the hydropower reservoir capacity in Europe, can contribute to balance ... -
On Adaptive Moving Average Algorithms for the Application of the Conservative Power Theory in Systems with Variable Frequency
(Journal article; Peer reviewed, 2021)The Conservative Power Theory (CPT) emerged in recent decades as a theoretical framework for coping with harmonically distorted and unbalanced electric networks of ac power systems with a high participation of converter ... -
Optimal Generation Capacity Allocation and Droop Control Design for Current Sharing in DC Microgrids
(Peer reviewed; Journal article, 2023)Considering the increasing amounts of renewable energy generation and energy storage required to meet ambitious environmental goals, it is clear that the next generation of power grids will be dominated by converter-connected ... -
Optimal Operation of Battery Storage for a Subscribed Capacity-Based Power Tariff Prosumer—A Norwegian Case Study
(Journal article; Peer reviewed, 2019)The cost of peak power for end-users subject to a demand charge may be substantial, expecting to increase further with the vast growth of power-demanding devices. In cases where load-shifting is not a viable option for ... -
Overview of Consensus Protocol and Its Application to Microgrid Control
(Peer reviewed; Journal article, 2022)Different control strategies for microgrid applications have been developed in the last decade. In order to enhance flexibility, scalability and reliability, special attention has been given to control organisations based ... -
Passive model predictive control on a two-body self-referenced point absorber wave energy converter
(Journal article; Peer reviewed, 2021) -
Preventing internal congestion in an integrated European balancing activation optimization
(Journal article; Peer reviewed, 2019)New common platforms for optimization of balancing energy activation will facilitate cross-border exchange and integrate the fragmented European balancing markets. Having a zonal market structure, these platforms will ... -
Smart Load Management with Energy Storage for Power Quality Enhancement in Wind-Powered Oil and Gas Applications
(Journal article; Peer reviewed, 2019)This paper investigates power quality issues in a wind-powered offshore oil and gas platform operating in island mode. Topics of interest are the negative effects that load and wind power variability have on the electrical ... -
Stochastic Rating of Storage Systems in Isolated Networks with Increasing Wave Energy Penetration
(Journal article; Peer reviewed, 2013) -
Technology Suitability Assessment of Battery Energy Storage System for High-Energy Applications on Offshore Oil and Gas Platforms
(Peer reviewed; Journal article, 2023)Selecting a battery energy storage technology for application on offshore platforms or marine vessels can be a challenging task. Offshore oil and gas platforms (OOGPs) require battery energy storage systems (BESSs) with ... -
The Regulatory Framework for Market Transparency in Future Power Systems under the Web-of-Cells Concept
(Journal article; Peer reviewed, 2019)This paper investigates the regulatory rules of market transparency which could be applied within the wholesale electricity market and market for frequency and voltage control in the Web-of-Cells (WoC) decentralized power ... -
Variability Characteristics of European Wind and Solar Power Resources — A Review
(Journal article; Peer reviewed, 2016)This paper reviews the most recent and relevant research into the variability characteristics of wind and solar power resources in Europe. The background for this study is that wind and solar resources will probably ...