Sökning: "variable speed wind turbine"

Visar resultat 1 - 5 av 27 avhandlingar innehållade orden variable speed wind turbine.

  1. 1. Wind Turbine Models for Power System Stability Studies

    Författare :Abram Perdana; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; fixed-speed; variable-speed; validation; modelling; power system stability; frequency stability; aggregated model; wind turbine; voltage stability;

    Sammanfattning : The purpose of this thesis is to develop dynamic models of wind turbines for power system stability studies. More specifically, the wind turbine models are mainly intended for voltage and frequency stability studies. LÄS MER

  3. 2. Dynamic Models of Wind Turbines

    Författare :Abram Perdana; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; frequency stability; variable-speed; modeling; power system stability; validation; aggregated model; fixed-speed; voltage stability; wind turbine;

    Sammanfattning : The impact of wind power generation in the power system is no longer negligible. Therefore, there is an urgent need for wind turbine models that are capable of accurately simulating the interaction between wind turbines or wind farms and the power system. LÄS MER

  4. 3. Control of variable speed wind turbines in a broad range of wind speeds

    Författare :Thommy Ekelund; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; LQG; linear quadratic; variable speed; fixed pitch; wind turbine; stall control; Kalman filter;

    Sammanfattning : .... LÄS MER

  5. 4. Synchronous generator and frequency converter in wind turbine applications : system design and efficiency

    Författare :Anders Grauers; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; synchronous generator; frequency converter; wind turbine; avrage efficiency; losses; system design; variable speed;

    Sammanfattning : This report deals with an electrical system for variable-speed wind powerplants. It consists of a synchronous generator, a diode rectifier and athyristor inverter. LÄS MER

  7. 5. On the modelling and partial-load control of variable-speed wind turbines

    Författare :Peter Novak; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; controller; estimation; physical pareameters; modelling; wind turbine; tip-speed ratio; identification; quantization; aerodynamics; drive system;

    Sammanfattning : .... LÄS MER