Sökning: "Electrical Distribution System"

Visar resultat 1 - 5 av 263 avhandlingar innehållade orden Electrical Distribution System.

  1. 1. On tracing flicker sources and classification of voltage disturbances

    Detta är en avhandling från Chalmers University of Technology

    Författare :Peter Axelberg; Högskolan i Borås.; Chalmers tekniska högskola.; Chalmers University of Technology.; [2007]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; power transmission and distribution; digital signal processing; power quality monitoring; light flicker; power system disturbance; support vector machines; Medicinteknik; voltage dips; Elektroteknik; elektronik och fotonik; Electrical engineering; electronics and photonics; Elektroteknik; Electrical engineering; voltagedips; Support Vector Machines;

    Sammanfattning : Developments in measurement technology, communication and data storage have resulted in measurement systems that produce large amount of data. Together with the long existing need for characterizing the performance of the power system this has resulted in demand for automatic and efficient information-extraction methods. LÄS MER

  2. 2. Power System Oscillations - Detection, Estimation and Control

    Detta är en avhandling från Department of Industrial Electrical Engineering and Automation, Lund Institute of Technology

    Författare :Morten Hemmingsson; Lunds universitet.; Lund University.; [2003]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Elektroteknik; oscillation; power system; damping; power swing; distance protection; detection; estimation; real-time; reactive co-variation; control; Electrical engineering; load modulation; Automation; robotics; control engineering; Automatiska system; robotteknik; reglerteknik;

    Sammanfattning : The topic of this thesis is the electro-mechanical oscillations which to some extent always are present in a power system. The demand of electric power is ever increasing. At the same time, the tolerance of disruptions in the power supply is decreasing. LÄS MER

  3. 3. Opportunistic Content Distribution A System Design Approach

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Sylvia Todorova Kouyoumdjieva; KTH.; [2012]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : The penetration of smart pocket-size devices that provide constant Internet connectivity, such as mobile phones, has significantly changed the way people obtain, view and share information. Content provision is not anymore a prerogative to professionals; individuals are not solely customers, but also act as content generators and distributors. LÄS MER

  4. 4. Enterprise architecture for IT management a CIO decision making perspective on the electrical power industry

    Detta är en avhandling från Stockholm : Elektrotekniska system

    Författare :Mathias Ekstedt; KTH.; [2004]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electronics; Enterprise architecture; Enterprise system; Chief information officer; Information technology management; Architectural theory; Electric power industry; Elektronik; TECHNOLOGY Electrical engineering; electronics and photonics Electronics; TEKNIKVETENSKAP Elektroteknik; elektronik och fotonik Elektronik;

    Sammanfattning : Within the electric power industry, the average company's enterprise system - i.e. the overall system of IT related entities - is today highly complex. LÄS MER

  5. 5. The Four-Quadrant Transducer System for Hybrid Electric Vehicles

    Detta är en avhandling från Stockholm : KTH

    Författare :Erik Nordlund; KTH.; [2005]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electrical engineering; Electrical Machines; Hybrid Vehicles; Elektroteknik; TECHNOLOGY Electrical engineering; electronics and photonics Electrical engineering; TEKNIKVETENSKAP Elektroteknik; elektronik och fotonik Elektroteknik;

    Sammanfattning : In this thesis a hybrid electrical powertrain called the Four Quadrant Transducer (4QT) has been evaluated through different driving simulations, which later resulted in the manufacture of a prototype.The simulation of a 12 metric ton distribution truck showed that the 4QT system can reduce the fuel consumption by approximately 30 % during the FTP75 drive cycle. LÄS MER