Now showing items 757-776 of 1042

    • Power Systems Modelling of a Community Energy Project 

      Judah, Gita (AIM, 2018-06-07)
      This paper considers the concept of a digital twin for a micro-grid system. The digital twin utilises power system modelling to trigger different operational scenarios under normal and fault conditions to test the resilience ...
    • Power trading and pricing among DSO and multi-microgrid in transactive energy market 

      Mo, Wenxiong; Gan, Lin; Zhang, Hang; Wu, GuoPei; Luo, LinHuan; Zhang, Zichong; Wang, Yifei (AIM, 2018-06-07)
      TEM emerges as a new end-to-end power market andenables the synergetic trading and operation of endusers. The increasing distributed energy sources (DERs)and microgrids necessitate the synergetic operation andtrading. ...
    • Power Transformers: Predictive Maintenance 

      Rodrigues, Sílvio; Verdelho, Maria Inês; Ribeiro, Ana Filipa; Cordeiro, Luís (AIM, 2019-06-03)
      This paper presents a holistic machine learning solution to forecast current and future Power Transformers (PT) health condition. Current PT monitoring and maintenance standards recommendations followed by utility companies ...
    • Power-based distribution tariffs for residential customers – A risk for overloading of network in areas with high penetration of Time-of-Use DSO tariffs? 

      Haapaniemi, Jouni; Haakana, Juha; Räisänen, Otto; Lassila, Jukka; Partanen, Jarmo (AIM, 2019-06-03)
      Finnish distribution system operators (DSO) have had to provide customers distribution tariffs with different prices on different time of uses (TOU). When electricity system is developing from centralized production and ...
    • Power-Based Tariff as an Incentive for Distribution System Operator’s Customers to Reduce their Peak Powers 

      Koski, Anmari; Järvenpää, Juha; Salo, Johannes; Järvinen, Mikko; Pylvänäinen, Jouni; Honkapuro, Samuli (AIM, 2019-06-03)
      Electric vehicles are becoming more common which increases load peaks in the distribution network, while growing amount of micro-generation decreases the delivered energy. At present, the distribution pricing is mainly ...
    • PQ prediction by way of parallel computing - benchmark and sensitivity analysis for classical ML approaches 

      Eisenmann, Adrian; Streubel, Tim; Rudion, Krzysztof (AIM, 2019-06-03)
      In this paper, three machine-learning (ML) regression methods for the prediction of current and voltage characteristics in industrial environments are investigated. Apart from the original data, three different feature ...
    • Practical Demonstration of High-impedance Fault Detection Technology in MV Distribution Network 

      Tianyou, LI; Chaoyi, Huang (AIM, 2019-06-03)
      In MV distribution network, theprobabilityofsingle-phase-to-groundfaultisashighas60% to 80%. Some of these faults can cause personal electric shocks or fire incidents, such as broken wires and wires discharged through the ...
    • Practical method for global earthing system determination of the urban area 

      Hrobat, Primož; Strmec, Jure; Bonča, Vilijem (AIM, 2019-06-03)
      The paper deals with the ongoing problem with defining and verification of the existence of the global earthing system in an urban area, as outlined in standard SIST EN 50522 [1]. The benefits of such an attempt are to ...
    • Predicting the impact of electric bus charging on distribution power grids 

      Guyot, Renaud; Jeandin, Alban; Lasserre, Bertrand; Torcheux, Laurent; Rubion, Matthieu (AIM, 2019-06-03)
      As a major DSO in France, Enedis is interested in assessing the Grid impact of high development of Electric Mobility of different ranges and in various areas: rural or urban. For this purpose, this paper establishes a ...
    • Predicting the impacts of the major disturbances for better resource management and situational awareness 

      Vähäkuopus, Santtu; Paananen, Heikki; Anttila, Lauri; Kupila, Tuomas (AIM, 2019-06-03)
      This paper will present a method and a tool to help with the resource allocation in major disturbance situations based on system made prediction. Prediction algorithm uses network information from network information system ...
    • Predicting Transformer Health - PATH 

      Verdelho, Maria Inês; Carvalho, Cristina; Pinto Sá, Luís; Ferreira, João Vasco; Leitão, Armando; Magalhães Dias, Luís; Andrade, Xavier; Guimarães, Luís (AIM, 2019-06-03)
      This paper presents the project PATH, Predicting Transformer Health, whose purpose was the design of health indicators to classify the current and futures condition of all HV/MV and MV/MV Power Transformers (PT) of EDP ...
    • Preventive Management and Control of a Microgrid System using Flexibility of Distributed Storage 

      Gouveia, Clara; Madureira, André; Gouveia, José; Sumaili, Jean; Fayzur Rahman, Dewan; Bessa, Ricardo; Moreira, Carlos; Seca, Luís (AIM, 2018-06-07)
      Distributed Electrical Energy Storage (EES) is a key element of the MicroGrid (MG). When associated with accurate load and generation forecasts, the management of EES can avoid potential technical problems and at the same ...
    • Privacy by Design for Local Energy Communities 

      Van Aubel, Pol; Colesky, Michael; Hoepman, Jaap-Henk; Poll, Erik; Montes Portela, Carlos (AIM, 2018-06-07)
      Electricity generation is becoming more and more decentralized. This trend requires management of the electricity grid at a more granular level by Distribution System Operators than before. To this end, local energy ...
    • Privacy Issues in Smart Buildings by examples in Smart Metering 

      Cejka, Stephan; Knorr, Felix; Kintzler, Florian (AIM, 2019-06-03)
      Main goals of building automation are to optimize costs and to reduce energy consumption. For these tasks, high amounts of data are collected, including data directly related to an individual inhabitant. Such data usage ...
    • PRIVATE FAN (Field Area Network) FOR NEXT GENERATION SMART GRIDS 

      Mavec, Tomaž; Sirnik, Aleš; Blaznik, Aleš; Žavbi, Robert; Močnik, Luka (AIM, 2019-06-03)
      An Integrated Communications Infrastructure is a foundational component of any Smart Grid strategy and requires solutions that not only support legacy services, but evolve to enable a wide variety of useful applications.A ...
    • Private LTE Field tests and Results for Smart Grid services 

      Solaz Hernández, Marta; Gómez Guajardo, Juan Sebastián; Sendín Escalona, Alberto; Noguerol Oliván, Javier (AIM, 2019-06-03)
      Iberdrola is committed to the digitalization of the network business, with the evolution of the electrical grid towards the Smart Grid as the most relevant example. Smart Grid services need to rely on an evolved ...
    • Probabilistic load models and Monte Carlo simulations used in distribution system planning 

      Tønne, Erling; Sand, Kjell; Foosnæs, Jan Andor (AIM, 2019-06-03)
      Today’s deterministic fit-and-forget methodology for distribution system planning is not suitable for planning of the future smart distribution grid. Alternative methodologies have been developed. The paper describes the ...
    • Probabilistic models in power distribution electrical networks 

      Tavares, João; Gouveia , Sónia; Pedroso, João Pedro; Oliveira, Luís; Prata, Ricardo; Cruz, Pedro; Freitas, Miguel; Lopes, Ana (AIM, 2019-06-03)
      Energy distribution networks require customized and sophisticated methodologies for their analysis and simulation. In particular, the characterization of their probabilistic behaviour is mandatory for a realistic planning ...
    • Probabilistic Topology Detection for Efficient MV-Micro Grid Control with Autarkic Smart Grid Systems 

      Modemann, Marcel; Steinbusch, Philippe; Uhlig, Roman; Zdrallek, Markus; Friedrich, Wolfgang (AIM, 2018-06-07)
      Due to political and economic goals, not only the German power grid is in a radical change. The classical top-down energy flow is continuously transforming into a bottom-up energy flow. Intelligent automation systems are ...
    • Prognostic failure detection on overhead power distribution grid utilizing TDR measurement method 

      Masakazu, Matsui; Taketani, Daisuike; Hayashi, Toshihiro; Morita, Tomohiko; Tohlu, Matsushima; Hisakado, Takashi; Osami, Wasa (AIM, 2019-06-03)
      We attempt to apply new method for locating fault point by injecting high-frequency short pulse into overhead distribution line. This method, which is called as TDR (Time Domain Reflectometry) measurement, enables us to ...