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Energy Systems

Optimization, Modeling, Simulation, and Economic Aspects

Energy Systems OnlineFirst articles

14.01.2019 | Original Paper

Short-term electric load forecasting in Tunisia using artificial neural networks

The accuracy of short-term electricity load forecasting is of great interest since it allows avoiding unexpected blackouts and lowering operating costs. In this paper, we aim to implement the artificial neural networks to model and forecast the …

10.01.2019 | Original Paper

Do unit commitment constraints affect generation expansion planning? A scalable stochastic model

Due to increasing penetration of stochastic renewable energy sources in electric power systems, the need for flexible resources especially from fast-start conventional generation units (e.g., combined cycle gas turbine plants) is growing. The …

04.01.2019 | OriginalPaper

Detection of power swing and fault occurring simultaneously with power swing using instantaneous frequency

Energy transmission lines play a more important role in power transferring from producer to consumers. Energy transmission lines should be protected from the fault and the faults should be cleared as soon as possible time. Distance relays due to …

04.01.2019 | Original Paper

Research on optimization of hedging ratio of thermal coal futures in thermal power enterprises based on Delphi method

The enthusiasm of coal-fired thermal power enterprises to participate in coal futures hedging to avoid the risk of coal price fluctuations is increasing. The key to hedge operation is to determine the total coal inventory required by the power …

03.01.2019 | Original Paper

Simulation methods for stochastic storage problems: a statistical learning perspective

We consider solution of stochastic storage problems through regression Monte Carlo methods. Taking a statistical learning perspective, we develop the dynamic emulation algorithm (DEA) that unifies the different existing approaches in a single …

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The journal Energy Systems presents mathematical programming, control, and economic approaches towards energy systems related topics, and is especially relevant in light of the major worldwide challenges confronting humanity in this century. Papers published in Energy Systems deal with theoretical, computational, and applied aspects of energy systems as well as state of the art review papers.

The range of coverage includes power systems optimization, unit commitment, power generation, power trading, electricity risk management, competition in electricity markets, bidding strategies as well as market power issues. The text includes mathematical theory and algorithms for stochastic optimization methods applied to energy problems, as well as modeling issues such as process optimization, synthesis, design and operation.

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Systemische Notwendigkeit zur Weiterentwicklung von Hybridnetzen

Die Entwicklung des mitteleuropäischen Energiesystems und insbesondere die Weiterentwicklung der Energieinfrastruktur sind konfrontiert mit einer stetig steigenden Diversität an Herausforderungen, aber auch mit einer zunehmenden Komplexität in den Lösungsoptionen. Vor diesem Hintergrund steht die Weiterentwicklung von Hybridnetzen symbolisch für das ganze sich in einer Umbruchsphase befindliche Energiesystem: denn der Notwendigkeit einer Schaffung und Bildung der Hybridnetze aus systemischer und volkswirtschaftlicher Perspektive steht sozusagen eine Komplexitätsfalle gegenüber, mit der die Branche in der Vergangenheit in dieser Intensität nicht konfrontiert war. Jetzt gratis downloaden!