Search for dissertations about: "Voltage source converter"

Showing result 1 - 5 of 46 swedish dissertations containing the words Voltage source converter.

  1. 1. Voltage Source Converters with Energy Storage Capability

    University dissertation from Stockholm : KTH

    Author : Hailian Xie; KTH.; [2006]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Voltage source converter; StatCom; Energy storage; Active power compensation; Phase jump; Voltage dip; VSC; Weak network; Flux modulation; deadbeat control; TECHNOLOGY Electrical engineering; electronics and photonics Electric power engineering; TEKNIKVETENSKAP Elektroteknik; elektronik och fotonik Elkraftteknik;

    Abstract : This project deals with voltage source converters with energy storage capability. The main objective is to study the possible benefits of energy storage to a power system with a VSC as the interface between them.First of all, a converter control system is proposed for a two level VSC. READ MORE

  2. 2. On the Internal Dynamics and AC-Motor Drive Application of Modular Multilevel Converters

    University dissertation from Stockholm : KTH Royal Institute of Technology

    Author : Antonios Antonopoulos; KTH.; [2014]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Capacitor-Voltage Control; Controller Interaction; Converter Control; Energy Balance; Lyapunov Stability; Medium-Voltage Drives; Modular Multilevel Converter; Modulation; Open-Loop Control; Optimization; Variable-Speed Drives; Voltage-Source Converter.; Energibalans; Kondensatorspänningsstyrning; Lyapunov-stabilitet; Mellan-spänning drivsystem; Modulation; Modulär multinivåomvandlare; Omvandlarstyrning; Optimering; Regulatorväxelverkan; Spänningsstyva omvandlare; Varvtalsstyrda motordrifter; Öppen styrning.; Electrical Engineering; Elektro- och systemteknik;

    Abstract : This thesis is an effort to investigate the operation and the performanceof modular multilevel converters (M2Cs). Proven to be the most promisingtopology in high-voltage high-power applications, it is necessary to put aneffort in understanding the physical laws that govern the internal dynamicsof such converters, in order to design appropriate control methods. READ MORE

  3. 3. Wind Turbine Characterization by Voltage Source Converter Based Test Equipment

    University dissertation from ; Chalmers tekniska högskola; Gothenburg

    Author : Nicolas Espinoza; [2016]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Grid Integration; Frequency Scan; Discrete Control; Wind Power; Grid Emulation; Voltage Source Converter VSC ; Grid Code; Low Voltage Ride Through LVRT ;

    Abstract : In countries where wind power has become a relevant part of the total generated electrical power, transmission system operators (TSOs) have included in their Grid Codes specific technical requirements for interconnection of wind power plants. Some Grid Codes demand specific testing procedures in order to verify the fulfilment for their requirements. READ MORE

  4. 4. Control of Voltage Source Converters for Voltage Dip Mitigation in Shunt and Series Configurations

    University dissertation from ; Chalmers tekniska högskola; Gothenburg

    Author : Massimo Bongiorno; [2004]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Power Quality; Current Controller; Voltage Source Converter VSC .; Power Electronics; Voltage Dip Sag ;

    Abstract : Custom Power is the application of power electronics to improve the quality of power distribution for sensitive industrial plants. Industries reporting production stops due to voltage disturbances, like short interruptions and voltage dips, include paper mills, semiconductors facilities and other industries with fully automated production. READ MORE

  5. 5. Grid Code Testing of Wind Turbines by Voltage Source Converter Based Test Equipment

    University dissertation from ; Chalmers tekniska högskola; Gothenburg

    Author : Nicolas Espinoza; [2015]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Grid Code; Low Voltage Ride Through LVRT ; Discrete Control; Wind Power; Voltage Source Converter VSC ; Grid Emulation.;

    Abstract : Wind energy is expected to play a crucial role in the energy mix in the future society with limited access to fossil fuels. Wind turbines with larger power rating are being installed every year, making possible to extract more energy from wind. READ MORE