Now showing items 183-202 of 1042

    • Calculation of Process Immunity Time with Gantt Chart 

      Zhong, Qing; He, Qizhang; Huang, Wei; Xu, Zhong; Wenbo, Chen (AIM, June 2019)
      To evaluate the process immunity time (PIT) for the industrial process, an approach to calculate PIT based on Gantt chart is proposed. The relationships between PIT and Gantt chart are investigated at first. Immunity time ...
    • Case study for understanding impact of residential batteries on LV grids 

      Chittur Ramaswamy, Parvathy; Schyns, Damien; De Vos, Louise; Czajkowski, Christian; Wilch, Michael; Gaul, Armin (AIM, June 2019)
       Local clusters of DERs, e.g. photovoltaic residential rooftop installations, stress the distribution grid due to reverse flows and induced overvoltage. In case of overvoltage, PV installations are curtailed. To avoid or ...
    • Case study of the implementation of cross-bonding to underground long medium voltage cables in wind parks 

      Kalogrianitis, Elefterios; Damianaki, Katerina; Christodoulou, Christos; Papadopoulos, Theofilos; Gonos, Ioannis (AIM, June 2019)
      Cross-bonding, i.e. the special bonding in which the metallic sheaths of different phase power cables in successive minor sections are cross-connected in such a way so as to attain partial or full cancellation of induced ...
    • Case study on commercial sized MW-level microgrid 

      Peltonen, Lasse; Järventausta, Pertti; Rintala, Joni (AIM, June 2019)
      The paper will give an overview of the MW-level microgrid case in Marjamäki in which all the production units and battery energy storage are connected to grid through an inverter. The focus on the paper is on modelling and ...
    • Case Study on the Effects of Increasing Electric Vehicle and Heating Loads on a Distribution Network in Stockholm 

      Topel, Monika; Arnaudo, Monica; Grundius, Josefine; Laumert, Björn (AIM, June 2019)
      In future scenarios, a surge of distributed energy sources is to be expected in the grid. In Sweden, this entails a larger share of plug-in electric vehicles (PEVs) in the transport fleet and an increased use of heat pumps ...
    • Causes and consequences of batteries’ ageing in grid integration scenarios. 

      Soubra, Baptiste; Petersen, Idar; Berg, Kjersti; Ahcin, Peter (AIM, June 2019)
      This paper presents results arising from a preliminary study preceding the demonstration work related to the IntegER project. It aims to describe how the ageing of electrochemical batteries is influenced by the operating ...
    • Centralized Ageing Asset Dossier database of the electricity networks in the Netherlands 

      Melnik, Irina; Ooievaar, Tim; Van Rijn, Theo; Zonneveld, Peter (AIM, June 2019)
      The subject of this paper is the supporting ofelectricity network owners in the managingof the different ageing components in the networks.Electricity networks in the Netherlands face the very significant challenge of an ...
    • Challenges for coordination consumption of a pool of prosumers 

      Albachrony, Moch Arief; Ha, Duy Long; Tran, Quoc Tuan; Brun, Adrien; Petit, Marc (AIM, June 2018)
      The residential-scale solar photovoltaic (PV) system prices is dropping in last ten years, a simple household could become an active energy consumers, often called 'prosumers' because they both consume and produce electricity. ...
    • Change and change management - unlocking power flexibility meeting Sweden’s capacity challenge 

      Ruwaida, Yvonne; Backe, John; Bjarup, David (AIM, June 2019)
      The electricity market in Sweden is changing to accommodate new trends in energy production and electrification. A potential hurdle presents itself in the change management. We have much to gain by realizing the massive ...
    • Characterising Grid Connection Stability of Low Voltage PV Inverters through Real-time Hardware Testing 

      Bountouris, Panagiotis; Abdulhadi, Ibrahim; Dysko, Adam; Coffele, Federico (AIM, June 2019)
      A hardware level study, performed at the Power Networks Demonstration Centre (PNDC), testing seven off-the-shelf PV inverters is introduced in this paper. The objective of this work is to characterise the connection stability ...
    • Characteristics of Fifth and Seventh Harmonics in Japanese Electric Power Distribution System 

      Okada, Naotaka; Yukihira, Kenji (AIM, June 2019)
      Many transformers of customers such as buildings connected to medium voltage of distribution network in Japan mainly use Y - Δ transformers. On the other hand, low voltage single-phase load uses line to line voltage. From ...
    • Characterization and Laboratory Performance Testing of Interconnected Star Phase Balancer 

      Supponen, Antti; Rautiainen, Antti; Repo, Sami; Laitinen, Sami; Kasteenpohja, Tommi (AIM, June 2019)
      Weak short-circuit current capability of a distribution network can cause multiple adverse effects on voltage quality and electrical safety at a customer connection point. “Balancer” is a novel and cost-effective solution ...
    • Characterization of Interactions between PV systems and energy efficient lighting (LED) 

      Ravindran, Vineetha; Busatto, Tatiano; Rönnberg, Sarah; Bollen, Math; Meyer, Jan (AIM, June 2019)
      The possible interactions between grid-tied power-electronic based PV systems and energy efficient LED lighting systems in terms of current and voltage, for different combinations of the inverter and LED lamp types under ...
    • Characterization of the frequency-dependent transmission losses of the grid up to 500 kHz 

      Fernández, Igor; Angulo, Itziar; Arrinda, Amaia; de la Vega, David; Arechalde, Ibon; Uribe-Perez, Noelia; Arzuaga, Txetxu (AIM, June 2019)
      A good characterization of the transmission properties of the electrical network is the first step to reach a high quality of supply and increased resiliency with the use of new services based on NB-PLC. This paper describes ...
    • Charging problems in EV paradise 

      Kirkeby, Henrik; Bøe, Vegard; Hartvigsen, Kjetil; Sagen, Ketil (AIM, June 2019)
      Many Norwegian electric vehicle owners have had charging problems. Examination of reported issues and case studies has shown that a significant amount of problems is caused to ground faults in the Norwegian IT-networks. ...
    • CheckIn – Work Force Management Platform 

      Sousa, José; Lopes, Diogo; Fonseca, David; Oliveira, Carlos; Mendes, Patrick; Pereira, Vera; Gafeira, Tiago (AIM, June 2019)
      This paper will focus on the development and implementation of a mobility application that will increase the efficiency of both field maintenance team and operator at DSO's dispatch centers, by reducing inefficacy associated ...
    • CIM-based systems integration project at Elektro Celje DSO 

      Souvent, Andrej; Kodek, Timotej; Kavčič, Mateja; Petrovič, Viki; Rauter, Dušan; Risteski, Nikola; Benassi, Rene; Lubej, Peter (AIM, June 2019)
      This paper gives an insight into the CIM based integration pilot project at the DSO Elektro Celje. This project was done as part of the bilateral cooperation project between the Slovenian TSO – ELES covering a consortium ...
    • Cluster Autonomous Optimization of Distribution Networks with High Penetration of Distributed PV Units 

      Chai, Yuanyuan; Guo, Li; Wang, Chengshan; Zhao, Zongzheng (AIM, June 2019)
      With the increasing penetration of distributed photovoltaic (PV) units, the stable operation of distribution networks (DNs) is facing many challenges, the most severe of which are reverse power flow and voltage violation ...
    • Clustering and determination of relevant network operating points in analytical reliability calculations 

      Möhrke, Fabian; Kamps, Kristof; Zdrallek, Markus; Awater, Philipp; Schwan, Michael; Osterholt, André (AIM, June 2019)
      Electrical distribution grids are facing the integration of new grid participants, e.g. distributed generators or electric vehicles. High shares of new grid participants cause new load flow situations within the grid and ...
    • CNAIM Asset Risk Modelling – Implementation and Opportunities 

      Sadnicki, Stefan; Liu, Sheng (AIM, June 2019)
      The Common Network Asset Indices Methodology (CNAIM) is a common framework of asset risk models developed jointly by all Electricity Distribution Network Operators (DNOs) and their regulator OFGEM (Office of Gas and ...