Search for dissertations about: "Operating reserve"

Showing result 1 - 5 of 9 swedish dissertations containing the words Operating reserve.

2. 1. Interruptible Load as an Ancillary Service in Deregulated Electricity Markets

   Author : Anh Tuan Le; Chalmers tekniska högskola; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; reserve generation; least-cost planning.; interruptible load management; optimal power flow; ancillary services; deregulated electricity market; congestion management;

   Abstract : Power companies world-wide have been restructuring their electric power systems from a vertically integrated entity to a deregulated, open-market environment. Previously, electric utilities usually sought to maximize the social welfare of the system with distributional equity as its main operational criterion. READ MORE

4. 2. Interruptible Load Services in Deregulated Power Market

   Author : Anh Tuan Le; Chalmers tekniska högskola; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; congestion management; deregulated electricity market; ancillary services; optimal power flow; reserve generation; interruptible load management;

   Abstract : Since the nineties decade, many electric utilities world-wide have been under restructuring from vertically integrated functioning to deregulated open-market system. In the erstwhile vertically integrated utilities, the system operator sought to maximize the social welfare with distributional equity (meeting the load at all time) as the main criteria, for the system as a whole. READ MORE

5. 3. Aggregation of Plug-in Electric Vehicles in Power Systems for Primary Frequency Control

   Author : Seyedmahdi Izadkhast; Mehrdad Ghandhari; Garcia-Gonzalez Pablo; Frias Pablo; Ignacio Egido Cortés; KTH; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Aggregation; Plug-in Electric Vehicles; Primary Frequency Control; Aggregeren; Plug-in Elektrische Voertuigen; Primaire Reserve; Laddbara Bilar; Elnätet; Primär Frekvensreglering; Agregación; Vehículos Eléctricos Enchufables PEVs ; Control Primario de Frecuencia PFC ; Electrical Engineering; Elektro- och systemteknik;

   Abstract : The number of plug-in electric vehicles (PEVs) is likely to increase in the near future and these vehicles will probably be connected to the electric grid most of the day time. PEVs are interesting options to provide a wide variety of services such as primary frequency control (PFC), because they are able to quickly control their active power using electronic power converters. READ MORE

6. 4. Enhancing the Treatment of Systems Integration in Long-term Energy Models

   Author : Manuel Welsch; Mark Howells; Erik Ahlgren; KTH; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Power system models; Energy system models; Resource system models; Smart Grids; Operating reserve; Biofuels; Sub-Saharan Africa; Ireland; Mauritius; ; kraftsystemmodeller; energisystemmodeller; resursmodeller; smarta elnät; operativ reservkapacitet; biobränslen; Afrika söder om Sahara; Irland; Mauritius; ; SRA - Energy; SRA - Energi;

   Abstract : Securing access to affordable energy services is of central importance to our societies. To do this sustainably, energy systems design should be – amongst other things – environmentally compliant and reconcile with the integrated management of potentially limiting resources. READ MORE

7. 5. Essays of Financial Performance and Capital Structure

   Author : Lars Lindbergh; Lars G. Hassel; Michael B. Adams; Umeå universitet; []
   Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Business studies; financial accounting; financial statements; financial performance; capital structure; tax allowances; comparative studies; Företagsekonomi; Business studies; Företagsekonomi;

   Abstract : This thesis consists of an introductory chapter and four self-contained essays on financial performance and capital structure. Essay I assesses the strength of strategic inputs into profitability among firms within several sub-sectors within the industrial service sector in the U.S. and Sweden. READ MORE