Sökning: "clearing"

Visar resultat 11 - 15 av 96 avhandlingar innehållade ordet clearing.

  1. 11. On the Dynamics and Statics of Power System Operation : Optimal Utilization of FACTS Devicesand Management of Wind Power Uncertainty

    Författare :Amin Nasri; Mehrdad Ghandhari; Zhang Xiao-Ping; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Trajectory sensitivity analysis TSA ; transient stability; small signal stability; flexible AC transmission system FACTS devices; critical clearing time CCT ; optimal power flow OPF ; network-constrained ac unit commitment ac-UC ; wind power uncertainty; wind power spillage; stochastic programming; Benders’ decomposition; Electrical Engineering; Elektro- och systemteknik;

    Sammanfattning : Nowadays, power systems are dealing with some new challenges raisedby the major changes that have been taken place since 80’s, e.g., deregu-lation in electricity markets, significant increase of electricity demands andmore recently large-scale integration of renewable energy resources such aswind power. LÄS MER

  3. 12. Studies on Swedish banking 1870-2001

    Författare :Per Hortlund; Handelshögskolan i Stockholm; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES;

    Sammanfattning : A novel set of long-term data on Swedish commercial banks in 18702001 is used to shed new light on some long-standing issues in money and banking. Essays 1 and 2 explore long-term changes in the leverage and profitability of the Swedish banking system, and inquire into the causes of their change. LÄS MER

  4. 13. Oak as retention tree in commercial spruce forests : effects on species diversity of Saproxylic beetles and wood production

    Författare :Maria Susanna Koch Widerberg; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Sammanfattning : Retaining trees valuable for biodiversity is a common conservation measure. There are indications that such trees have important benefits for the diversity of many species groups. However, retaining trees may also have negative effects on timber production. LÄS MER

  5. 14. Efficient Trading in the Short-term Electricity Markets for Integration of Renewable Energy Sources : Multistage Stochastic and Agent-based Modeling Approaches for Continuous Intraday Electricity Market

    Författare :Priyanka Shinde; Mikael Amelin; Lennart Söder; Nikolaos Paterakis; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Continuous intraday electricity market; Virtual power plant; Trading strategy; Stochastic dual dynamic program; Agent-based modeling; Adaptive learning; Renewable energy sources; Cross-border intraday trading; Flow-based market coupling; Balancing market; Imbalance settlement cost; Randomized progressive hedging; Multistage stochastic programming; Energy storage; Intraday prices; Intraday price analysis; Time series analysis; Kontinuerliga intradagmarknaden; Virtuellt kraftverk; Handelsstrategi; Stokastisk dual dynamisk programmering; Agentbaserad modellering; Adaptivt l¨arande; F¨ornybara energik¨allor; Gr¨ans¨overskridande intradaghandel; Fl¨odesbaserad marknadskoppling; Balansmarknaden; Balansavr¨akningskostnader; Randomiserad progressive hedging; Stokastisk multiskedesprogrammering; Energilagring; Intradagpriser; Intradagprisanalys; Tidsserieanalys; Electrical Engineering; Elektro- och systemteknik;

    Sammanfattning : This thesis investigates the role of different short-term electricity market design aspects that can facilitate better coordination of resources within the power system. The work also emphasizes on better cross-border integration of the short-term markets to improve the market liquidity, competition, social welfare, and flexibility in the system, which is essential for facilitating the integration of renewable sources. LÄS MER

  7. 15. The Scandinavian Currency Union 1873-1924 : studies in monetary integration and disintegration

    Författare :Krim Talia; Handelshögskolan i Stockholm; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES;

    Sammanfattning : This thesis studies the history of the Scandinavian Currency Union, 1873-1924. It is divided into four analytical chapters, each dealing with a different aspect of the Union and each written as a separate paper. The conclusions of the thesis challenge existing views of the Union and examines new aspects of this episode in monetary history. LÄS MER