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 53 for “"Penetration levels"”.
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Future power system dynamic frequency response under high penetration levels of wind
… has developed scenarios where high wind power penetration levels are considered which are likely to change the patterns of UK transmission network operation and dynamic performance. Therefore, it is necessary to develop an analytical capability which can assess the system dynamic performance …
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Analysis of Blockchain-based Smart Contracts for Peer-to-Peer Solar Electricity Transactive Markets
… of blockchain technology and increasing penetration of distributed energy resources (DERs) have created a new opportunity for peer-to-peer (P2P) energy trading. However, challenges arise in such transactive markets to ensure individual rationality, incentive compatibility, budget balance, …
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Impacts of Distributed Generation on the Residential Distribution Network Operation
… and reliability of the system. First, various DG penetration levels and the impact of distributing the DG across several locations are explored. Secondly, the impacts of installing DG on any one phase on the voltage profiles of the unbalanced three-phase distribution network are investigated. …
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Overcoming Voltage Issues Associated with Integration of Photovoltaic Resources in the Electric Grid
… be prepared to encounter and manage their high penetration levels. Currently, simplified approaches are used to model the impacts of cloud shadows on power systems. Using outdated standards also limits the penetration levels more than required. Approximately 40% of the new PV installations are …
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The role of wind generation in European power sector decarbonization : a general equilibrium analysis
… and engineering implications of a large wind penetration in power systems was conducted. In order to understand and capture the unique characteristics of wind generation different tools and methods were combined. First, an analysis of hourly wind and load profiles was completed for individual …
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A methodology to assess the interactions of renewable energy systems dynamics with fluctuating loads
… meet the load. This approach is valid for small penetration levels and for PV facilities connected near the load centers. Second, PV system was studied on a case-by-case basis. This made the interactions between the PV systems and conventional power systems not well known to the operator in the …
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Impact of plug in electric vehicle battery charging on a distribution system based on real-time digital simulator
… rates (level I and level II) at different penetration levels ranging from 10% to 100%. Voltage unbalance at different locations is determined and transformer overloading is analyzed. The influence of EVs charging on the daily load curve is shown. It is noted that actual system data of …
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Exploring the Effects of Cooperative Adaptive Cruise Control in Mitigating Traffic Congestion
… the road network, are analyzed. Different CACC penetration levels are studied.</p> <p>The positive impact of the CACC technology is demonstrated and shown that it has an impact of increasing the highway capacity and mitigating traffic congestions. This effect is sensitive to the market …
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Advanced microgrid design and analysis for forward operating bases
… small-scale power grid which utilizes high-penetration levels of renewable energy.
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Modeling and Analysis of a PV Grid-Tied Smart Inverter's Support Functions
… utility network are becoming transparent as PV penetration levels continue to increase. The solution this thesis proposes is an approach to control the inverters real and reactive power output to help eliminate the problems associated with PV systems at their origin and in addition provide 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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An Approach to Demand Response for Alleviating Power System Stress Conditions due to Electric Vehicle Penetration
… with the growth of electricity demand and the penetration of intermittent renewable energy sources, electric power distribution networks will face more and more stress conditions, especially as electric vehicles (EVs) take a greater share in the personal automobile market. This may cause …
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Combining a renewable portfolio standard with a cap-and-trade policy : a general equilibrium analysis
… renewables in this model in two ways. At lower penetration levels renewables are an imperfect substitute for other electricity generation technologies because of the variability of resources like wind and solar. At higher levels of penetration renewables are a higher-cost prefect substitute for …
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Study of the combined cycle power plant as a generation expansion alternative
… Package (WASP-II). The optimal combined cycle penetration level was determined for a set of assumptions that involve economics, new technology trends, and feasibility as well as the utility's existing capacity and load forecast. Additional cases were run to account for phased construction and …
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Indirect Matrix Converter as Standard Power Electronic Interface
<p>The increase in the penetration levels of distributed generation in the modern power grid and its importance in future energy systems have accelerated the interest of developing new power electronic interfaces for the energy conversion process. The feasibility of applying the indirect matrix …
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Determinants of life insurance consumption: Evidence from Zambia
… importance of this investment source. Low penetration levels in Zambia have pointed to a vast untapped market and a potential source of financial sector development. Life insurance growth prospects in the country remain optimistic on the back of a growing population and increasing …
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Navigating congested cities : understanding urban mobility using new data sources
… In particular, mobile phones, having reached penetration levels above 97% in Europe and Americas according to the World Bank, transformed into passive sensors of urban mobility by signaling movement at the individual level. The data generated by these devices has a wide range of applications …
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Effect of DERs on the Voltage Stability of Transmission Systems using a Voltage Stability Index
… improvement in the stability margin for various penetration levels are studied. The results obtained from the steady-state analysis are also verified using the dynamic simulation of the model using OpenModelica.
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Effect of the GentleWave System on dentin microhardness and sealer penetration: an in vitro study
… (GW) System on dentin hardness and sealer penetration in root canal treatment, aiming to assess its potential advantages over conventional techniques. Conventional instrumentation can alter root canal anatomy, necessitating irrigation methods that minimize mechanical impact. The GW System, …
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Mitigating Impacts of High Wind Energy Penetration through Energy Storage and Demand Response
High renewable energy penetration is a goal for many countries to increase energy security and reduce carbon emissions from conventional power plants. Wind energy is one of leading sources among different renewable resources. However, high wind energy penetration in the system brings new challenges …
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