Essays about: "hybrid electrical"
Showing result 1 - 5 of 97 essays containing the words hybrid electrical.
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1. Sensorless Hybrid Field-Oriented Control Two-Phase Stepper Motor Driver
University essay from Linköpings universitet/ReglerteknikAbstract : Hybrid stepper motors are small electrical motors with high torque production, compared with other electrical motors of the same size. Hybrid stepper motors are reliable in open-loop systems, in Sinusoidal mode, but with a drawback of high power consumption. READ MORE
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2. Benchmarking a 1 kW hybrid hydrogen fuel cell system
University essay from Lunds universitet/Institutionen för energivetenskaperAbstract : Unmanned Aerial Vehicles (UAV's) offer great versatility in the tasks that they may perform and they are today used in many sectors. The H24LEO project, administered by the Lund University School of Aviation, aims to develop and demonstrate a hybrid proton-exchange membrane fuel cell-powered UAV to aid in search and rescue operations performed by the Swedish Maritime Administration, and reduce the greenhouse gas emissions compared to similar work performed by helicopters. READ MORE
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3. Conceptual design of the next generation gas turbines : Modelling of a hybrid electric mixed turbofan for a trainer aircraft
University essay from Mälardalens universitet/Akademin för ekonomi, samhälle och teknikAbstract : To mitigate climate change, all sectors must contribute their part. Electric propulsion system is a promising approach to reduce emissions from the aviation industry. A major challenge is however the low energy density in today’s battery technology. READ MORE
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4. Predicting power demand and optimizing energy management for fuel cell battery hybrid construction vehicles
University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)Abstract : The automotive industry has been actively seeking ways to reduce emissions and combat global warming. While pure battery electric vehicles have shown promise in achieving zero-tailpipe emissions, they face challenges in meeting the energy demands of large construction machines like excavators and wheel loaders, due to the heavy batteries required. READ MORE
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5. Dynamic Control, Modeling and Sizing of Hybrid Power Plants : Investigating the optimum usage of energy storage for Fortum’s hydropower
University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)Abstract : The rapidly evolving Nordic Power System demands enhanced flexibility and robustness in electricity production. The traditional role of hydropower plants in regulating the grid frequency has been challenged by new criteria for dynamic stability, which some units struggle to meet due to their relatively poor dynamic performance. READ MORE