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 20 of 25 for “"Power Regulation"”.
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Full envelope wind turbine controller design for power regulation and tower load reduction
… to design controllers for a 2MW wind turbine for power regulation and tower load reduction. Due to the highly stochastic nature of the wind, a wind turbine is exposed to strongly varying loads. More specifically tower loads are a major concern and there is little literature proposing solutions …
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Design and development of exclusive modulation techniques for effective power regulation in dual two-level-inverter-fed open-ended winding traction motors
… battery pack. In normal operation of the drive, power flow between isolated sources need to be regulated. In first work, a simple carrier-based modulation (CBM) technique for sharing and controlling the power flow between isolated DC sources in a dual two-level inverter has been proposed . The …
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Market Power and Regulatory Failure in the Montana Wholesale Electricity Market
This work investigates market power and regulatory failures in the Montana wholesale electrical market after the implementation of deregulation in 1997. It provides a review of the development of the Montana wholesale electrical market, federal and state market power regulation, economic theory, …
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Market Power and Regulatory Failure in the Montana Wholesale Electricity Market
This work investigates market power and regulatory failures in the Montana wholesale electrical market after the implementation of deregulation in 1997. It provides a review of the development of the Montana wholesale electrical market, federal and state market power regulation, economic theory, …
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Pushing the limits of performance. is it really mind over matter? an investigation into the effects of menthol mouth rinsing and the capacity for fatigue amelioration in trained adolescent male cyclists under heat stress
… male athletes during a modified variable power cycle test (M-VCT). Participants (n=11) cycled for 30-min in hot conditions (31.4±0.9 °C, 23.4±3.7% RH) on two occasions. In a randomized crossover design, (1) menthol MR (0.01%) or (2) placebo (PLA) MR, was administered at 6-min intervals. …
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SeeGreen : a tool for real-time distributed monitoring of home electricity consumption
… easy collection of distributed information about power usage (quantity and quality) in residential facilities. In Europe many appliances are emerging that incorporate power measuring devices for power regulation. However, products for retrofitting old appliances or recording measurements from …
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PSCAD Modeling and Stability Analysis of a Microgrid
<p>As power systems are evolving, engineers are facing, and will continue to face, new challenges with respect to maintaining the system in terms of stable operation. Many different forms of generation are becoming prevalent, including; small synchronous generators, photovoltaic generation, and …
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Resources, Economics and Technology Feasibility of Hybrid Offshore Energy Farm
… and fail to capture energy benefits and power regulation impacts. Integrating WECs with WTs requires power smoothing mechanisms, but their impact on the combined system performance and optimal sizing are lacking in the literature. Moreover, understanding the power intermittence and energy …
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Wind farm simulation modelling and control
… challenges regarding large integration of wind power to the transmission system including the maintenance of system stability due to the uncertain nature of wind power. Thus, the traditional way of operating and controlling wind turbines and wind power plants are becoming less acceptable. …
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Ancillary Scientific Instrument Attachment (ASIA): A Distributed Hitchhiker Payload Carrier
… complete. All it requires are single-string power and data connections, and a location to mount the bus structure. The unit includes power regulation; data collection and storage; command processing; thermal control; and structural support. As many as five small scientific instruments can be …
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Analysis And Design Of A Modular Solar-fed Fault-tolerant Power System With Maximum Power Point Tracking
Solar power is becoming ever more popular in a variety of applications. It is particularly attractive because of its abundance, renewability, and environment friendliness. Solar powered spacecraft systems have ever-expanding loads with stringent power regulation specifications. Moreover, they …
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Renewable Energy in Industrial Applications
… and transportation sectors. A design of a small power generating system by using renewable energy sources, wind and solar by means of pumped-storage to replace the wind and/or solar power systems with a battery bank energy storage. This research evaluates the energy efficiency of wind and solar …
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Data-driven coordination of assets in power distribution systems for ancillary service provision
… distributed energy resources (DERs) in power distribution systems to provide ancillary services including active power provision and reactive power regulation. The proposed frameworks generally consist of three components, namely (i) an input-output (IO) model of the system describing …
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Resource-constrained avionics design for CubeSats
… the consumption of some resources (electrical power, volume) and production of others (processing power, volatile memory, non-volatile memory, and radiation tolerance) in a quantitative optimization analysis. We present the avionics hardware design for the Microwave Radiometer Technology …
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Three Dimensional Passive Integrated Electronic Ballast for Low Wattage HID Lamps
Around 19% of global power consumption and around 3% of global oil demand is attributable to lighting. After the first incandescent lamp was invented in 1879, more and more energy efficient lighting devices, such as gas discharge lamps, and light-emitting diodes (LED), have been developed during …
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Air jet vortex generators for wind turbines
… by reducing energy loss in the region of the power curve 'knee', but also to allow a degree of power regulation in high wind speeds. The air supply in this demonstration was supplied by a fan mounted on, and rotating with, the rotor. Full-scale trials demonstrated that air jets can indeed be …
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Electromagnetic energy harvester and self-powered embedded system
… An exciting possibility creates a "self-powered" embedded system with an integrated energy harvester for electromechanical diagnosis. This non-intrusive energy harvester is designed to extract energy from magnetic fields around a power line of a load, in the manner of a current …
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Machine Learning Modeling and Robust Model Predictive Control of a Wind Turbine
… PWA models of the wind turbine during Maximum Power Point Tracking (MPPT) and Power Regulation (PR) regions are identified, as the third and fourth topic, respectively. PWA models provide opportunity to identify the affine model through multi-dimensional operating point linearization using …
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Mechanical energy storage in carbon nanotube springs
… density of electrochemical batteries and the power density of capacitors due to the effective Young's modulus of carbon nanotubes of 1 TPa and their high elastic strain limit of up to 20%. The energy density of springs made of carbon nanotubes is predicted to be more than three orders of …
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A High-Efficiency Grid-Tie Battery Energy Storage System
… needs to meet the requirements of bidirectional power flow capability and to ensure high power factor and low THD as well as to regulate the dc side power regulation. A highly efficient dual-buck converter based bidirectional ac-dc converter is proposed. The implemented converter efficiency peaks …
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