Relevant bibliographies by topics / Electric power distribution - Econometric models

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Electric power distribution - Econometric models'

Author: Grafiati
Published: 4 June 2021
Last updated: 9 February 2022

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Journal articles on the topic "Electric power distribution - Econometric models"

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Bassam, Fadel, and Andrey Kryukov. "DIGITAL MODELS OF DISTRIBUTION ELECTRIC NETWORK OF IRAQ." Modern Technologies and Scientific and Technological Progress 2020, no. 1 (June 16, 2020): 187–88. http://dx.doi.org/10.36629/2686-9896-2020-1-187-188.

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The restoration and development of Iraq's electric power industry is planned to be carried out on the basis of the concept of intelligent electric networks (smart grid). To implement this concept, it is necessary to create integrated digital models of electrical networks. Such models can be implemented on the basis of methods and tools for modeling electric power systems in phase coordinates. The report presents the results of modeling normal and emergency modes of distribution electric networks of 11 kV.
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Gu, Huaying, and Chaoqun Han. "Analysis of China’s Pure Electric Vehicle Sales Based on Spatial Econometric Models." International Journal of Economics and Finance 13, no. 1 (December 5, 2020): 12. http://dx.doi.org/10.5539/ijef.v13n1p12.

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This paper empirically investigates the spatial dependence and serial correlation structures among different China’s brands of pure electric vehicle (EV) sales using spatial econometric models. Based on the newly proposed economic distance spatial weight matrix, the empirical results show that EV endurance mileage, power battery capacity, charging time, government subsidy, retail price, and each brand market share have important impacts on EV sales. The per capita disposable income of urban households, gasoline price, loan rate and the number of charging pile are statistically significant determinants of EV sales. In particular, the improvements of the number of charging pile and the rise of gasoline price can increase EV sales, while the rise of loan rate or tight monetary policy may increase the consumers’ cost of purchasing EVs and then decrease EV sales. Another interesting finding is that though the per capita disposable income of urban households increases the EV sales decreases. A plausible explanation would seem to be that the impact of the per capita disposable income of urban households on the EV sales is offset by the decline in government subsidies or the incomplete infrastructures such as the inconvenient of charging stations. Besides, the significantly positive spatial dependence and serial correlation exist among EV manufactures indicates that when developing EV sales strategies, EV manufacturers must consider not only the properties of the EVs they produce, but also the properties of similar types of EVs produced by other brands in the EV market.
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Slushaienko, Nataliia. "OPTIMIZATION MODELS OF THE UKRAINIAN POWER INDUSTRY." Ekonomika 92, no. 4 (January 1, 2013): 114–26. http://dx.doi.org/10.15388/ekon.2013.0.2339.

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Abstract. The paper deals with the environmental aspect of power industry development and uses unilateral and bilateral auction and games theory optimization modeling to simulate competitive market introduction to the Ukrainian electric power industry. The main goal of the research is to investigate how the transition will influence prices’, volumes’ dynamics and benefit distribution among market players while also addressing the problem of possible market fluctuations due to price sensitivity.Key words: electric power market, environment, competitive market introduction, auctions, games theory
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Hua, Y. P., G. W. Lan, and Y. L. Du. "MULTI-SCALE SPATIAL MODELLING OF ELECTRIC POWER DISTRIBUTION NETWORKS." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-3/W10 (February 8, 2020): 1121–25. http://dx.doi.org/10.5194/isprs-archives-xlii-3-w10-1121-2020.

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Abstract. The research proposes a multi-scale spatial data model of electric power distribution networks (EPDNs) to address the problem that the single-scale EPDN data cannot meet the needs of data representation and spatial analysis of multiple levels of detail (LODs). This study comprehensively analyses the equipment used in the EPDN, summarizes the detailed information of EPDN elements and constructs a reasonable EPDN structure system. Based on the analysis of a large number of use cases in the operation and maintenance field of EPDN, this research identifies the elements of the graphic data and attribute data relating to the EPDN. According to the needs of different users and different application modes of EPDN data in multi-scale data representation, the EPDN data models are divided into four LODs, and the simplification principle of constructing different LODs is put forward and the elements contained in each LOD are carefully modelled. This study divides the EPDN elements information into graphic attribute and functional attribute, and then the attribute information of the EPDN data models in different LODs is described in detail. In addition, the EPDN data of Yan Shan campus of Guilin University of Technology is modelled with the proposed method, which has achieved good visualization results.
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Meinecke, Steffen, Leon Thurner, and Martin Braun. "Review of Steady-State Electric Power Distribution System Datasets." Energies 13, no. 18 (September 15, 2020): 4826. http://dx.doi.org/10.3390/en13184826.

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Publicly available grid datasets with electric steady-state equivalent circuit models are crucial for the development and comparison of a variety of power system simulation tools and algorithms. Such algorithms are essential to analyze and improve the integration of distributed energy resources (DERs) in electrical power systems. Increased penetration of DERs, new technologies, and changing regulatory frameworks require the continuous development of the grid infrastructure. As a result, the number and versatility of grid datasets, which are required in power system research, increases. Furthermore, the used grids are created by different methods and intentions. This paper gives orientation within these developments: First, a concise overview of well-known, publicly available grid datasets is provided. Second, background information on the compilation of the grid datasets, including different methods, intentions and data origins, is reviewed and characterized. Third, common terms to describe electric steady-state distribution grids, such as representative grid or benchmark grid, are assembled and reviewed. Recommendations for the use of these grid terms are made.
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Sun, Yiguo, Zongwu Cai, and Qi Li. "SEMIPARAMETRIC FUNCTIONAL COEFFICIENT MODELS WITH INTEGRATED COVARIATES." Econometric Theory 29, no. 3 (January 8, 2013): 659–72. http://dx.doi.org/10.1017/s0266466612000710.

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AbstractCai, Li, and Park (Journal of Econometrics, 2009) and Xiao (Journal of Econometrics, 2009) developed asymptotic theories for estimators of semiparametric varying coefficient models when regressors are integrated processes but the smooth coefficients are functionals of stationary processes. Using a recent result from Phillips (Econometric Theory, 2009), we extend this line of research by allowing for both the regressors and the covariates entering the smooth functionals to be integrated variables. We derive the asymptotic distribution for the proposed semiparametric estimator. An empirical application is presented to examine the purchasing power parity hypothesis between U.S. and Canadian dollars.
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Okeniyi, Joshua Olusegun, Olayinka Soledayo Ohunakin, and Elizabeth Toyin Okeniyi. "Assessments of Wind-Energy Potential in Selected Sites from Three Geopolitical Zones in Nigeria: Implications for Renewable/Sustainable Rural Electrification." Scientific World Journal 2015 (2015): 1–13. http://dx.doi.org/10.1155/2015/581679.

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Electricity generation in rural communities is an acute problem militating against socioeconomic well-being of the populace in these communities in developing countries, including Nigeria. In this paper, assessments of wind-energy potential in selected sites from three major geopolitical zones of Nigeria were investigated. For this, daily wind-speed data from Katsina in northern, Warri in southwestern and Calabar in southeastern Nigeria were analysed using the Gumbel and the Weibull probability distributions for assessing wind-energy potential as a renewable/sustainable solution for the country’s rural-electrification problems. Results showed that the wind-speed models identified Katsina with higher wind-speed class than both Warri and Calabar that were otherwise identified as low wind-speed sites. However, econometrics of electricity power simulation at different hub heights of low wind-speed turbine systems showed that the cost of electric-power generation in the three study sites was converging to affordable cost per kWh of electric energy from the wind resource at each site. These power simulations identified cost/kWh of electricity generation at Kaduna as €0.0507, at Warri as €0.0774, and at Calabar as €0.0819. These bare positive implications on renewable/sustainable rural electrification in the study sites even as requisite options for promoting utilization of this viable wind-resource energy in the remote communities in the environs of the study sites were suggested.
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Baraniak, Joanna, and Jacek Starzyński. "Modeling the Impact of Electric Vehicle Charging Systems on Electric Power Quality." Energies 13, no. 15 (August 1, 2020): 3951. http://dx.doi.org/10.3390/en13153951.

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Recently, there has been dynamic development of electromobility. This trend is predicted to grow exponentially, which will contribute to the creation of an extensive infrastructure of electric car charging points. For distribution network operators, this implies that in addition to the increase in demand for power and electricity, the number of converter systems connected to their networks will also increase. It is therefore necessary to determine the potential impact of electric vehicle charging systems on electricity quality. To this end, the authors of the present study developed simulation models based on measurements of the actual charger and the data provided by the manufacturers of the equipment and using simulation models widely described in the literature. On the basis of the study results, the impact of electric car chargers on electric power quality was assessed, and attention was given to the opportunities offered by the development of charging systems with vehicle-to-grid (V2G) functionality. Changes in technical standards aimed at selecting power supply cables by considering their heating under the influence of higher current harmonics generated by converter systems were proposed.
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Yang, Zhangang, Junchao Qu, Yingchuan Ma, and Xudong Shi. "Modeling and Simulation of Power Distribution System in More Electric Aircraft." Journal of Electrical and Computer Engineering 2015 (2015): 1–7. http://dx.doi.org/10.1155/2015/847624.

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The More Electric Aircraft concept is a fast-developing trend in modern aircraft industry. With this new concept, the performance of the aircraft can be further optimized and meanwhile the operating and maintenance cost will be decreased effectively. In order to optimize the power system integrity and have the ability to investigate the performance of the overall system in any possible situations, one accurate simulation model of the aircraft power system will be very helpful and necessary. This paper mainly introduces a method to build a simulation model for the power distribution system, which is based on detailed component models. The power distribution system model consists of power generation unit, transformer rectifier unit, DC-DC converter unit, and DC-AC inverter unit. In order to optimize the performance of the power distribution system and improve the quality of the distributed power, a feedback control network is designed based on the characteristics of the power distribution system. The simulation result indicates that this new simulation model is well designed and it works accurately. Moreover, steady state performance and transient state performance of the model can fulfill the requirements of aircraft power distribution system in the realistic application.
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Pirouzi, Sasan, Jamshid Aghaei, Taher Niknam, Miadreza Shafie-khah, Vahid Vahidinasab, and João P. S. Catalão. "Two alternative robust optimization models for flexible power management of electric vehicles in distribution networks." Energy 141 (December 2017): 635–51. http://dx.doi.org/10.1016/j.energy.2017.09.109.

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Dissertations / Theses on the topic "Electric power distribution - Econometric models"

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Lee, Cheuk-wing, and 李卓穎. "Transmission expansion planning in a restructured electricity market." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B38959410.

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Yan, Yonghe, and 嚴勇河. "A multi-agent based approach to transmission cost allocation." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B3124256X.

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Hall, David Eric. "Transient thermal models for overhead current-carrying hardware." Thesis, Georgia Institute of Technology, 1993. http://hdl.handle.net/1853/17133.

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Trinkle, Joachim. "Analysis of power ground planes." University of Western Australia. School of Electrical, Electronic and Computer Engineering, 2006. http://theses.library.uwa.edu.au/adt-WU2006.0005.

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[Truncated introduction] A major contribution of this thesis is the observation that the N port impedance parameters for the distribution planes can be modelled as simple LC series elements in the frequency range over which the interesting interactions between the loading elements and the planes occur. Loosely speaking, the C represents the inter-plane capacitance and the L is associated with a first order frequency trend of the transfer and input impedances associated with the planes. In the literature, values for L have been obtained for power ground plane structures using curve fitting techniques [38]. In this thesis, formulae are developed for L based on the modal summation expression. As for the impedance case, the approach developed in the thesis that removes the singular behaviour, results in computational efficient expressions. Preliminary results on the simple LC model were presented by the author in [42, 43] The results reported in the thesis extend this work in the light of the new impedance model proposed. The simple LC characterisation enables the development of new low frequency expression for the input and transfer impedance for ports on planes loaded with many decoupling capacitors. The expressions are based on a one off frequency independent decomposition of the inductance matrix associated with the placement of the capacitors. The eigen-mode decomposition eliminates the need for matrix inversion at each frequency point and leads to an efficient computational procedure for calculating the impedance of loaded planes. Furthermore, the interaction between the capacitors and planes is clearly seen in the analytical expressions. This has led to new insights regarding the interaction of multiple capacitors with supply planes in terms of location, resonance mechanisms, pole locations and damping. These insights are beneficial to the understanding and optimisation of printed circuit board power distribution systems.
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Anderson, Sharon Lee. "Reduced order power system models for transient stability studies." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-09052009-040743/.

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Lee, Kelvin. "A study of supply function equilibria in electricity markets /." Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=112573.

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Deregulation is a growing trend and the electricity industry has not escaped its reaches. With worldwide experiences spanning only thirty years, there is substantial interest in analyzing current and future market designs so that market power cannot be used to increase the price of electricity significantly.
This thesis analyzes market power in electricity markets through the notion of Nash equilibrium (NE) and, more specifically, through Supply Function Equilibrium (SFE). We will examine how SFE can be modified to incorporate capacity constraints on generators and generating companies (gencos) controlling more than one generator for a Poolco electricity market with marginal pricing.
A genco's supply function is assumed to be of the form gi=l-aibi . Gaming is done either with ai or bi only, while keeping the other parameter at true cost. Gaming with both variables cannot be analyzed since the problem would have too many degrees of freedom. For each possible generator output level (minimum output, maximum output, or in between), analytical methods are employed to determine all candidate Nash equilibria. Then, simulations are performed over the range of possible genco offers to determine whether these candidates meet the complete set of Nash equilibrium criteria, specifically whether any genco can or cannot improve its profit by gaming.
For various inelastic demand levels, study cases indicate that there are either no Nash equilibria or only one. In the multi-unit genco case, the price of electricity is found to be higher than in the case where each genco owns only one generator, illustrating the effect of market concentration on the price. Whether capacity constraints are considered or not, the price of electricity appears to be higher if gencos are allowed to game with bi instead of ai.
The inclusion of capacity constraints on generators and the consideration of the multi-unit genco case will allow for better genco modeling in a Poolco market with marginal pricing. In turn, this will lead to more accurate analysis of the effects of current and possible rules and regulations on the price of electricity.
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Zimmerman, Nicole P. "Time-Variant Load Models of Electric Vehicle Chargers." PDXScholar, 2015. https://pdxscholar.library.pdx.edu/open_access_etds/2297.

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In power distribution system planning, it is essential to understand the impacts that electric vehicles (EVs), and the non-linear, time-variant loading profiles associated with their charging units, may have on power distribution networks. This research presents a design methodology for the creation of both analytical and behavioral models for EV charging units within a VHDL-AMS simulation environment. Voltage and current data collected from Electric Avenue, located on the Portland State University campus, were used to create harmonic profiles of the EV charging units at the site. From these profiles, generalized models for both single-phase (Level 2) and three-phase (Level 3) EV chargers were created. Further, these models were validated within a larger system context utilizing the IEEE 13-bus distribution test feeder system. Results from the model's validation are presented for various charger and power system configurations. Finally, an online tool that was created for use by distribution system designers is presented. This tool can aid designers in assessing the impacts that EV chargers have on electrical assets, and assist with the appropriate selection of transformers, conductor ampacities, and protection equipment & settings.
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Enzinger, Sharn Emma 1973. "The economic impact of greenhouse policy upon the Australian electricity industry : an applied general equilibrium analysis." Monash University, Centre of Policy Studies, 2001. http://arrow.monash.edu.au/hdl/1959.1/8383.

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Selli, Giuseppe. "BGA footprints modeling and physics based via models validation for power and signal integrity applications." Diss., Rolla, Mo. : University of Missouri-Rolla, 2007. http://scholarsmine.umr.edu/thesis/pdf/Selli_09007dcc8040f1b6.pdf.

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Thesis (Ph. D.)--University of Missouri--Rolla, 2007.
Vita. The entire thesis text is included in file. Title from title screen of thesis/dissertation PDF file (viewed December 7, 2007). Includes bibliographical references.
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Fachrizal, Reza. "Synergy between Residential Electric Vehicle Charging and Photovoltaic Power Generation through Smart Charging Schemes : Models for Self-Consumption and Hosting Capacity Assessments." Licentiate thesis, Uppsala universitet, Byggteknik och byggd miljö, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-419665.

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The world is now in a transition towards a more sustainable future. Actions to reduce the green-house gases (GHG) emissions have been promoted and implemented globally, including switching to electric vehicles (EVs) and renewable energy technologies, such as solar photovoltaics (PV). This has led to a massive increase of EVs and PV adoption worldwide in the recent decade. However, large integration of EVs and PV in buildings and electricity distribution systems pose new challenges such as increased peak loads, power mismatch, component overloading, and voltage violations, etc. Improved synergy between EVs, PV and other building electricity load can overcome these challenges. Coordinated charging of EVs, or so-called EV smart charging, is believed to a promising solution to improve the synergy. This licentiate thesis investigates the synergy between residential EV charging and PV generation with the application of EV smart charging schemes. The investigation in this thesis was carried out on the individual building, community and distribution grid levels. Smart charging models with an objective to reduce the net-load (load - generation) variability in residential buildings were developed and simulated. Reducing the net-load variability implies both reducing the peak loads and increasing the self-consumption of local generation, which will also lead to improved power grid performance. Combined PV-EV grid hosting capacity was also assessed.       Results show that smart charging schemes could improve the PV self-consumption and reduce the peak loads in buildings with EVs and PV systems. The PV self-consumption could be increased up to 8.7% and the peak load could be reduced down to 50%. The limited improvement on self-consumption was due to low EV availability at homes during midday when the solar power peaks. Results also show that EV smart charging could improve the grid performance such as reduce the grid losses and voltage violation occurrences. The smart charging schemes improve the grid hosting capacity for EVs significantly and for PV slightly. It can also be concluded that there was a slight positive correlation between PV and EV hosting capacity in the case of residential electricity distribution grids.
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Books on the topic "Electric power distribution - Econometric models"

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Veiderpass, Ann. Swedish retail electricity distribution: A non-parametric approach to efficiency and productivity change. Göteborg: [Gothenburg School of Economics?], 1993.

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Parker, Philip M. The 2009-2014 world outlook for electric power distribution. [San Diego, CA]: ICON Group, 2008.

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Jacoby, Hanan. Monopoly power and distribution in fragmented markets: The case of groundwater. Washington, D.C: World Bank, Development Research Group, Rural Development, 2001.

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Distribution system modeling and analysis. 2nd ed. Boca Raton: CRC Press, 2007.

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Distribution system modeling and analysis. Boca Raton: CRC Press, 2002.

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Distribution system modeling and analysis. 3rd ed. Boca Raton: Taylor & Francis, 2012.

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New directions in econometric modeling of energy demand: With applications to Latin America. Washington, D.C: Inter-American Development Bank, 1992.

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Erokhin, A. A. Modelirovanie i obosnovanie resheniĭ po upravlenii͡u︡ ėlektricheskimi nagruzkami potrebiteleĭ. Kiev: [s.n.], 1993.

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Kulindwa, Kassim. Residential electricity in Tanzania: The case of Dar es Salaam. [Dar es Salaam]: University of Dar es Salaam, Economic Research Bureau, 1996.

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Losembe, Remy Bolito. Les dépenses en électricité à Kinshasa: Une étude empirique (cas des ménages). Kinshasa, RDC: I.R.E.S., 2004.

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Book chapters on the topic "Electric power distribution - Econometric models"

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Ali, Husan. "Behavioral Modeling Paradigm for More Electric Aircraft Power Electronic Converters." In Air Traffic Management and Control [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.99600.

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To control the power flow among various energy sources and loads of a power system of modern more electric aircrafts, power electronics converters are employed. The integration of multiple sources into distribution system and their interconnection with variety of loads through power electronic converters results in a complex dynamic system. Modeling of these systems prior to implementation becomes necessary to analyze and predict system’s behavior. The classical modeling approaches require detail knowledge about the topology and parameters of the active and passive components of the power electronics converters. While in modern system, most of the power electronics converters are ready to use power electronics modules. These modules come from different manufacturers, lacking the necessary information to build the conventional switch or average models. The chapter would cover dynamic behavioral modeling technique for power electronics systems to be employed in more electric aircrafts, which do not require any prior information about the internal details of the system.
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Jose Saucedo-Dorantes, Juan, David Alejandro Elvira-Ortiz, Arturo Yosimar Jaen-Cuéllar, and Manuel Toledano-Ayala. "Novelty Detection Methodology Based on Self-Organizing Maps for Power Quality Monitoring." In Artificial Intelligence. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.96145.

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The inclusion of intelligent systems in the modern industry is demanding the development of the automatic monitoring and continuous analysis of the data related to entire processes, this is a challenge of the industry 4.0 for the energy management. In this regard, this chapter proposes a novelty detection methodology based on Self-Organizing Maps (SOM) for Power Quality Monitoring. The contribution and originality of this proposed method consider the characterization of synthetic electric power signals by estimating a meaningful set of statistical time-domain based features. Subsequently, the modeling of the data distribution through a collaborative SOM’s neuron grid models facilitates the detection of novel events related to the occurrence of power disturbances. The performance of the proposed method is validated by analyzing and assessing four different conditions such as normal, sag, swell, and fluctuations. The obtained results make the proposed method suitable for being implemented in embedded systems for online monitoring.
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Conference papers on the topic "Electric power distribution - Econometric models"

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Li, Qin, Ting Hu, Xin Huang, and Shu-chao Fang. "Research of test models of electric power dispatching data network." In 2016 China International Conference on Electricity Distribution (CICED). IEEE, 2016. http://dx.doi.org/10.1109/ciced.2016.7576163.

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Barghi-Nia, Saeedeh, and Frederic Sirois. "Development of stochastic models for assessing the impact of Electric Vehicles in distribution grids." In 2015 IEEE Power & Energy Society General Meeting. IEEE, 2015. http://dx.doi.org/10.1109/pesgm.2015.7286166.

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Rahmani, Maryam, Michael Mazzola, and Shantia Yarahmadian. "Computation of time-domain impulse-response from band-limited ship power distribution models using wavelet transformation." In 2017 IEEE Electric Ship Technologies Symposium (ESTS). IEEE, 2017. http://dx.doi.org/10.1109/ests.2017.8069301.

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Prajapati, Khyati, and Ranjit Roy. "A novel method for distribution system reconfiguration including static load models and daily load curve." In 2011 2nd International Conference on Electric Power and Energy Conversion Systems (EPECS). IEEE, 2011. http://dx.doi.org/10.1109/epecs.2011.6126829.

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Piasson, D., R. B. Rodrigues, A. A. P. Biscaro, and J. R. S. Mantovani. "A proposal for reliability evaluation of components on electric power distribution system integrating probabilistic models and fuzzy inference systems." In 2012 IEEE/PES Transmission & Distribution Conference & Exposition: Latin America. IEEE, 2012. http://dx.doi.org/10.1109/tdc-la.2012.6319094.

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He Wang, Shan Chen, Jian Zhou, Ming Zeng, and Baozhu Li. "Study on credit evaluation models for electric power clients and the design of the software system based on reformative Analytic Hierarchy Process method." In 2006 China International Conference on Electricity Distribution (CICED 2006). IEE, 2006. http://dx.doi.org/10.1049/cp:20061663.

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Addison, Letetia, Govinda Hosein, and Sanjay Bahadoorsingh. "GOODNESS OF FIT OF PROBABILISTIC MODELS FOR ELECTRIC VEHICLE CHARGING BEHAVIOUR." In International Conference on Emerging Trends in Engineering & Technology (IConETech-2020). Faculty of Engineering, The University of the West Indies, St. Augustine, 2020. http://dx.doi.org/10.47412/qzwp9167.

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Electric vehicles (EVs) have a number of environmental benefits in an era where fossil fuels have dominated. As such, the upgrade of electricity distribution grids to suit the needs of the modern world where the use of EVs can be accommodated is essential. Management of EV penetration is necessary, since uncoordinated charging can produce load imbalances and sharp variations in current, voltages and power. In order to assess the needs of such a system, estimates of random variables reflecting charging behaviour are necessary, particularly in cases where real data is insufficient. An attempt is made to assess some probabilistic models based on weekday load curves derived from the charging process. Level 1 EV charging profiles for uncoordinated charging schemes over one year for a data set consisting of 348 vehicles corresponding to 200 households are analysed and compared. Charging characteristics are reviewed and probability models are validated by goodness of fit statistics. Probability distribution functions (PDFs) which provide the best fit for these weekday load profiles are identified among the Johnson SB, Generalised Gamma and Dagum functions. This can provide an insight into estimation of PDFs based on EV charging behaviours, in order to build and assess models associated with transportation mobility data in other regions.
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Farrier, L. "Investigating the faulted performance of warship power systems with integrated energy storage." In 14th International Naval Engineering Conference and Exhibition. IMarEST, 2018. http://dx.doi.org/10.24868/issn.2515-818x.2018.031.

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The need to integrate energy storage systems (ESS) with warship power systems to meet future dynamic loads such as high power electric weapons is apparent. This opens up challenges with design integration of ESS with power systems and operational aspects such as steady-state, transient and faulted performance. This paper describes the integration of ESS with a candidate power system as a case study as part of an ongoing timedomain simulation investigation at University College London. The paper describes the models and power management structure of the simulation testbed, that comprises battery based ESS and diesel generators in a hybrid electric power and propulsion system. The results of two scenarios are presented, the first verifies power sharing between a diesel generator and ESS during load levelling under single generator operation, the second illustrates the ability of the ESS to provide ride through power during a generator fault on the main distribution bus. The conclusions suggest that under voltage in the candidate system outside of acceptable limits occurs during fault ride through when in single generator operation.
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Trochelmann, Nils, Phillip Bischof Stump, Frank Thielecke, Dirk Metzler, and Stefan Bassett. "A Robust Pressure Controller for a Variable Speed AC Motor Pump: Application to Aircraft Hydraulic Power Packages." In BATH/ASME 2018 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/fpmc2018-8868.

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Abstract:
Highly integrated electro-hydraulic power packages with electric motor-driven pumps (EMP) are a key technology for future aircraft with electric distribution systems. State of the art aircraft EMPs are robust but lack efficiency, availability, and have high noise emissions. Variable speed fixed displacement (VSFD-) EMPs, combining a permanent magnet synchronous motor and an internal gear pump, show promising properties regarding noise reduction and energy efficiency. Though, meeting the strict dynamic requirements is tough with this EMP-concept. Speed limitations and inertia impose strong restrictions on the achievable dynamic performance. Moreover, the requirements must be met under a wide range of operating conditions. For a prototype aircraft VSFD-EMP a robust pressure controller design is proposed in this paper. In a first step the operating conditions of the EMP are defined, analyzing environmental conditions and impacts of the interfacing aircraft systems. Nonlinear and linear control design models are developed and validated by measurements at an EMP test rig built for this project. A conventional cascade pressure control concept is selected. This is motivated by the demand for simple, reliable, and proven solutions in aerospace applications. A controller is designed by applying classical loop shaping techniques. Robust stability and performance of the system are investigated through a subsequent μ-analysis. Finally, the controller is tested under nominal and worst case conditions in nonlinear simulations.
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Yi, Jingang, Jianbo Li, and Hao Lin. "Spherical Modeling and Nonlinear Model Predictive Control of Electroporation." In ASME 2011 Dynamic Systems and Control Conference and Bath/ASME Symposium on Fluid Power and Motion Control. ASMEDC, 2011. http://dx.doi.org/10.1115/dscc2011-5984.

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Electroporation is an effective means to deliver molecules into the cellular cytoplasm, and has been widely applied in both biological research and clinical applications. The process however suffers from low viability and efficiency. In this work, we present a multi-pulse feedback control scheme for enhancing viability and efficiency of electroporation process. We first present a spherical model for cell transmembrane potential (TMP) dynamics to describe the spatial distribution of electric potential on cell membrane. Then we analyze the models and discuss the bifurcation property of the system. Based on the dynamic models, we design a nonlinear model predictive controller (NMPC) to track pore size profiles in electroporation. We demonstrate that by using NMPC, the pore size can be precisely regulated to targeted values for drug delivery applications. The control design is illustrated through simulation examples.
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