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 16 of 16 for “"electric systems"”.
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More Electric Systems Architecture Effect on Business Jet Performance
<p>A more-electric systems architecture, using current state of the art components, is proposed for the business jet Dassault Falcon 2000. A model of the existing aircraft, both of its overall flying characteristics and performance and of its detail systems layout, is created using Pacelab APDc and …
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Globally dispersed engineering teams at Delphi Packard Electric Systems
… engineering teams within Delphi Packard Electric Systems were studied to identify areas for future improvement in global team performance. The research consisted of several management interviews and the administering of a survey to global team members and team leaders at various Delphi …
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The optimum use of water storage in hydro-thermal electric systems
… Institute of Technology, Dept. of Electrical Engineering, 1953.
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EXPERIMENTAL AND MODELING ANALYSIS OF ELECTRIC SYSTEMS WITH HIGH CAPACITIVE AND INDUCTIVE COUPLINGS
… thesis Experimental and Modeling Analysis of Electric Systems with High Capacitive and Inductive Couplings investigates several kinds of electromagnetic coupling which inuence strongly the electric system operation. The electromagnetic coupling is a fundamental phenomenon that governs the …
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Resilient decarbonization for the United States : lessons for electric systems from a decade of extreme weather
… for a large-scale effort to decarbonize the U.S. electric power system has become clear, along with the growing climate risks and impacts that any such effort will face. This thesis argues that the principles of resilience can play a valuable role by enabling the decarbonization of the U.S. …
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Modeling of a Hybrid-Electric System and Design of Control Laws for Hybrid-Electric Urban Air Mobility Power Plants
… and technology in the aerospace industry. These systems are being developed to overcome traffic congestion. The current designs make use of Distributed Electric Propulsion (DEP): either fully electric or hybrid electric. The hybrid engine system consists of two power sources: prime movers, such …
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Wide Area Analysis and Application in Power System
… control of small-signal stability of power electric systems are solved. From the perspective of stability margin, global coordination of controller parameters is studied to ensure the stable operation of power grids. The main contents of this thesis include: ï¼ 1ï¼ Models of power systems …
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A cost-effective battery management and monitoring strategy for micro-grids in India
… cost is a key factor in rural electrification, electric vehicles, mobile devices, etc. Increasingly, micro-grids and off-grid home electric systems have become popular in the developing world to help meet energy demands. These systems help provide electric power to customers when the main power …
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Effect of automotive electrical system changes on fuel consumption using incremental efficiency methodology
… has been a continuous increase in automotive electric power usage. Future projections show no sign of it decreasing. Therefore, the automotive industry has a need to either improve the current 12 Volt automotive electrical system or move to a higher voltage vehicle electric system. Both of …
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Hybrid Chemical-Electric Propulsion Systems for CubeSats
… navigation, or science, miniaturized propulsion systems have been actively developed and demonstrated in-flight to support these applications. Propulsion systems are primarily divided into two main categories. Chemical propulsion systems benefit from high thrust to perform impulsive maneuvers but …
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ACCURACY IMPROVEMENT OF CABLE HARNESS MODELING & ANALYTICAL MODELING OF MULTI-REFLECTIONS IN HIGH-SPEED SIGNAL CHANNELS
… are widely used in modern vehicles to power electric systems locating at different locations throughout the vehicle and to establish signal channels for data communications between these systems. Generally, a cable harness consists of multiple wires and its geometry can be very complicated, …
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Phase domain modelling and simulation of large-scale power systems with VSC-based FACTS equipment
… for planning and operation of multiphase power systems are based upon the assumption that the network operates under perfectly balanced conditions. The advantage of this assumption from the modelling view point is that only one phase of the three phase system needs to be considered for analysis, …
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A tool to create hydrodynamically optimized hull-forms with geometrical constraints from internal arrangements
… hull of a ship has been selected, all the other systems, like propulsion and electric plants, are selected and fitted in the ship. Due to the fact that the hull is considered as the most important system of the ship, any compromises and systems trade-offs that need to be done in the design …
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Modeling and Assessment of Efficiency in Arbitrary Air-Breathing Power Systems
… of emergent technologies. Aircraft propulsion systems are a common subject of such research, and studies of some proposed architectures, such as hybrid-electric powertrains, have suggested potential fuel-burn and nitrogen oxide emissions reductions of up to 10% and 4.9%, respectively. When …
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ΥΠΟΛΟΓΙΣΜΟΣ ΔΥΝΑΜΙΚΩΝ ΚΑΤΑΣΤΑΣΕΩΝ ΔΙΚΤΥΩΝ ΜΕ ΤΟ ΦΑΣΙΚΟ ΜΟΝΤΕΛΟ ΤΗΣ ΣΥΓΧΡΟΝΟΥ ΜΗΧΑΝΗΣ
THE PROBLEM OF DYNAMIC OVERVOLTAGES IS APPROACHED USING A FULL MACHINE MODEL AND LUMPED PARAMETERS LINE IN PHASE COORDINATES. IT IS SHOWN HOW IMPLICIT INTEGRATION SEQUENCES IMPLEMENTED IN A SUBSTITUTION MODE CAN BE APPLIED IN THIS AREA. RESULTS OF ANALYTICAL STUDIES ARE PRESENTED AND THE ADVANTAGES …