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 14 of 14 for “"electric power supply"”.
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A review of the emergency electric power supply systems at PWR nuclear power plants
The Emergency Electric Power Supply Systems at Pressurized Water Reactor Nuclear Power Plants are reviewed, problem areas are identified, and recommendations are made for existing and future Nuclear Power Plants. A simplified introduction to a typical Pressurized Water Nuclear Reactor is given and …
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A portfolio approach to energy governance : state management of China's coal and electric power supply industries
… 2008). The project focused on China's coal and electric power industries, leveraging industry and government data, interviews, two firm case studies and a unique survey to measure policy, ownership and investment change over time. The results show that such devolution has been neither …
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Reliability investigation of the South African power generation system with the inclusion of wind energy
Renewable energy sources such as wind energy for electric power supply are receiving serious consideration around the world due to global environmental concerns associated with conventional generation and depleted conventional energy resources to meet increasing electricity demand. This is more …
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Dynamic Sensitivity Functions and the Stability of Power Systems With FACTS Controllers
The reliability of an electric power supply is of vital importance as systems become more stressed. Both small-signal and transient stability in power systems are crucial components of dynamic security assessment. This dissertation presents a new method for the evaluation of transient stability of …
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Reliability and cost/worth evaluation of generating systems utilizing wind and solar energy
… resources such as wind and solar energy for electric power supply has received considerable attention in recent years due to adverse environmental impacts and fuel cost escalation associated with conventional generation. At the present time, wind and/or solar energy sources are utilized to …
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Study of FACTS/ESS Applications in Bulk Power System
The electric power supply industry has evolved into one of the largest industries. Even though secure and reliable operation of the electric power system is fundamental to economy, social security and quality of modern life, the complicated power grid is now facing severe challenges to meet the …
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Active, Regenerative Control of Civil Structures
… path. Such actuators can facilitate two-way power flow. In regenerative force actuation, a bi- directional power-electronic drive is used to facilitate power flow both to and from the proof-mass actuator power supply. With proper control system design, this makes it possible to suppress a …
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Electron acceleration in a flare plasma via coronal circuits
… to this model photospheric plasma flows build up electric potentials in the active regions in the photosphere. Usually these electric potentials are associated with electric currents closed within the photosphere. However as a result of magnetic reconnection, a magnetic connection between the …
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Optimal load management of a microgrid with an electric boiler and renewable generation
Renewable energy penetration into power grid keeps on increasing due to environment issues and fossil fuel shortage in the past several years. The scale of wind power generation has grown significantly in the past 30 years. However, power curtailment of renewable generations happens frequently due …
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Design, analysis and optimization of novel photo electrochemical hydrogen production systems
… series of experiments are performed by using an electric power supply. These initial experiments are followed by photo electrochemical experiments, experiments with salt water, experiments without hole scavenger material and solarium experiment. The results of electrochemical experiments show …
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Multi-Agent Systems in Microgrids: Design and Implementation
The security and resiliency of electric power supply to serve critical facilities are of high importance in today's world. Instead of building large electric power grids and high capacity transmission lines, an intelligent microgrid (or smart grid) can be considered as a promising power supply …
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Development of a new hybrid photochemical/electrocatalytic water splitting reactor for hydrogen production: design, analysis and experiments
… employed as the photo-catalysts, and an external electric power supply is used to enhance the photochemical reaction. A light-driven proton pump is used to increase the photochemical efficiency of both O2 and H2 production reactions. The maximum energy conversion of the system can be improved up …
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Energiemanagement Strategien für elektrische Energiebordnetze in Kraftfahrzeugen
Die elektrische Energieform gewinnt im Kraftfahrzeug wegen ihrer Nutzungsvielfalt und sehr guten Steuerbarkeit für die Realisierung neuartiger Funktionen zunehmend an Bedeutung. Voraussetzung für ihren Einsatz ist eine zuverlässige und effiziente Bereitstellung durch das Kfz-Energiebordnetz. Dafür …
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Using the inverse heat conduction problem and thermography for the determination of local heat transfer coefficients and fin effectiveness for longitudinal fins
… in numerous applications, such as production of electricity, building climatisation, food preparation,... Since energy consumption has increased tremendously in the last decades and this trend will continue, the concept of energy efficiency has become omnipresent. In electronics miniaturization …