Search for dissertations about: "hybrid power cycles"

Showing result 1 - 5 of 36 swedish dissertations containing the words hybrid power cycles.

  2. 1. Biomass and Natural Gas Hybrid Combined Cycles

    Author : Miroslav Petrov; KTH; []
    Keywords : biomass; naturalgas; hybrid; combined cycle; gas turbine; internal combustion engine; simulation; electrical efficiency; total efficiency;

    Abstract : Biomass is one of the main natural resources in Sweden.Increased utilisation of biomass for energy purposes incombined heat and power (CHP) plants can help the country meetits nuclear phase-out commitment. READ MORE

  4. 2. Hybrid Solar Gas-Turbine Power Plants : A Thermoeconomic Analysis

    Author : James Spelling; Andrew Martin; Björn Laumert; David Tomas Sanchez Martinez; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; solar thermal power; hybrid gas-turbine; thermoeconomics; koncentrerad solenergi; gas-turbiner; ekonomisk analys;

    Abstract : The provision of a sustainable energy supply is one of the most importantissues facing humanity at the current time, and solar thermal power hasestablished itself as one of the more viable sources of renewable energy. Thedispatchable nature of this technology makes it ideally suited to forming thebackbone of a future low-carbon electricity system. READ MORE

  5. 3. Evaluation of test cycles for freight locomotives

    Author : Mattias Skoglund; Stefan Östlund; Peter Thelin; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; duty cycles; test cycles; diesel locomotives; locomotive emissions; dual modes; hybrid systems;

    Abstract : Diesel locomotives provide versatility to the railway system as they do not depend on electric feeding. Worldwide they constitute important parts of locomotive fleets used for various tasks such as mainline services, shunting and terminal operations. The main drawbacks are emissions of CO2, NOx and other pollutants. READ MORE

  6. 4. Thermal Modelling of Power Modules in a Hybrid Vehicle Application

    Author : Jonas Ottosson; Industriell elektroteknik och automation; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Power Module; Thermal Modelling; Electro-Thermal Simulations; Reliability; Cooling requirements;

    Abstract : Hybrid electric and full electric vehicles have attracted growing attention during the last decade. This is a consequence of several factors, such as growing environmental concerns, increasing oil prices and a strive for oil independency. READ MORE

  7. 5. Power Control Systems in a Flywheel based All-Electric Driveline

    Author : Janaína Gonçalves de Oliveira; Hans Bernhoff; Mats Leijon; Torbjörn Thiringer; Uppsala universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Flywheels; batteries; electric vehicles; control systems; power electronics; electric machines; efficiency.; Electric power engineering; Elkraftteknik; Electrical engineering; Elektroteknik; Electronics; Elektronik; Engineering Science with specialization in Science of Electricity; Teknisk fysik med inriktning mot elektricitetslära;

    Abstract : Flywheel systems are attractive in hybrid and electric vehicles due to their ability to handle power during acceleration and braking. The combination of a flywheel device with a battery source has several advantages such as high peak power capacity, high energy density and reduction in the number of charge/discharge cycles of the battery. READ MORE