Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 12 of 12 for “"Flywheel energy storage"”.
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Design of electric vehicle propulsion system incorporating flywheel energy storage
… to meet the requirements of sufficient power and energy, quick recharge, safety, low cost and sufficient life. However the battery can either provide high power or high energy but not both. Hybridisation of the energy source is one of the methods to improve the energy efficiency of the vehicle, …
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High-speed permanent magnet motor generator for flywheel energy storage
Thesis (S.B. and M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1999.
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Development of a power electronics for a flywheel energy storage system
… of a power electronic circuitry for a flywheel energy storage system is discussed in the following aspects. First, due to the nature of permanent magnet brushless DC motor/generator, the operation of three-phase voltage source inverter/rectifier can be simplified to that of a …
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ENHANCEMENT OF HIGH-SPEED FLYWHEEL ENERGY STORAGE VIA CARBON-FIBER COMPOSITE REINFORCEMENT
This study on the enhancement of high-speed flywheel energy storage is to investigate composite materials that are suitable for high-speed, high-energy density for energy storage and/or energy recovery. The main motivation of the study is to explore the application of the flywheel in the aviation …
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Effective utilization of flywheel energy storage (FES) for frequency regulation service provision
The deeper penetration of variable energy resources (VERs) in the form of wind farms and solar photovoltaic systems has impacted power system operations and planning in many ways. Today, renewable energy resources constitute a significant portion of new power generation capacity additions. As the …
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Analysis and feedback control of magnetic bearings with reference to flywheel energy storage.
… The type of magnetic bearing most suitable for energy storage flywheels is selected and analysed for the purpose of designing feedback control loops. A nonlinear as well as a small signal linear model of the "current driven" magnetic bearing with unlaminated magnetic components is derived. …
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Flywheel energy storage for carrying the daily peak loads of electric power systems
Thesis (M.S.) Massachusetts Institute of Technology. Dept. of Electrical Engineering, 1949.
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High Speed flywheel and test rig design for rural energy storage
There is considerable growth in the renewable energy sector to contribute to sustainable development, environmental conservation and most importantly to provide affordable energy to isolated rural communities of sub-Saharan Africa. Renewable energy sources such as solar and wind require energy …
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Modelling and control of a floating oscillating water column
… Buoy (BBDB) Oscillating Water Column (OWC) Wave Energy Converter was created based on existing isolated numerical models of the different energy conversion systems utilised by an OWC. The novel aspect of this numerical model is that it incorporates the interdependencies of the different power …
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Distributed Energy Storage Systems: Microgrid Application, Market-Based Optimal Operation and Harmonic Analysis
… grid components brings attention to distributed energy storage systems because of their bidirectional power flow capability. This dissertation focuses on three different aspects of distributed energy storage system applications in distribution networks. It starts with flywheel energy storage …
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Pulsed field magnetization of composite superconducting bulks for magnetic bearing applications
… magnetic bearings used for applications such as flywheel energy storage. But even the most powerful rare-earth magnets are limited to a remanent field of 1.4 T, whereas superconducting materials such as YBCO in their bulk form have the extraordinary ability to trap magnetic fields an order of …
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DFIG-Based Split-Shaft Wind Energy Conversion Systems
In this research, a Split-Shaft Wind Energy Conversion System (SS-WECS) is investigated to improve the performance and cost of the system and reduce the wind power uncertainty influences on the power grid. This system utilizes a lightweight Hydraulic Transmission System (HTS) instead of the …