Now showing items 1-12 of 12

    • 5G networks enabling new smart grid protection solutions 

      Hovila, Petri; Syväluoma, Petri; Kokkoniemi-Tarkkanen, Heli; Horsmanheimo, Seppo; Borenius, Seppo; Li, Zexian; Uusitalo, Mikko (AIM, 2019-06-03)
      Within the ongoing energy revolution, power distribution grid protection, control, and monitoring requires modern, advanced technologies to maintain safety and reliability of operation. If all devices could be interconnected ...
    • Active and reactive power requirements at DSO-TSO interface, a cases study based on four european countries 

      Kadam, Serdar; Schwalbe, Roman; Übermasser, Stefan; Groiss, Christoph; Einfalt, Alfred; Sirviö, Katja; Laaksonen, Hannu; Hovila, Petri; Blazic, Bostjan (AIM, 2018-06-07)
      The ENTSO-E network code for demand connection sets harmonized requirements for connecting large renewable energy generation units as well as demand response facilities and furthermore reactive power limits which need to ...
    • Eco-efficient puffer-type load break switch for medium voltage applications 

      Attar, Elham; Saxegaard, Magne; Hyrenbach, Maik; Homayonifar , Pouria; Bratsberg, Tor; Granhaug, Ole; Støa-Aanensen, Nina; Jonsson, Erik (AIM, 2019-06-03)
      In the recent years, significant efforts have been made to develop SF6-free switchgears to reduce the use of greenhouse gases in the electrical industry. Up to now, vacuum switching technology is being used as the possible ...
    • Fast recovery adaptable transformer for renewable generation 

      Pacheco, Pablo; Cuesto, Miguel; CAMPOS, Ignacio; HERNÁNDEZ , Oscar; MARCOS, Jesús (AIM, 2019-06-03)
      Nowadays, distribution companies are requested to prepare detailed contingency plans, to efficiently manage temporary grid unavailability in case of a transformer failure. The main strategy to meet these challenges is to ...
    • High Performance Smart MV apparatus for arc furnace applications 

      Bianco, Andrea; Brewer, Bill; Štefanka, Martin; Riva, Marco (AIM, 2019-06-03)
      Steel manufacturing represents a critical application for control processes and apparatuses. In particular, switching of the Electric Arc Furnace (EAF) transformer are recognized as challenging for reliability of the ...
    • Installed base modernization and monitoring solution at Petrochemical Company 

      Gemme, Carlo; Mare, Danie; Sulaiman, Junaid (AIM, 2019-06-03)
      industry sector and, due to low oil prices, Oil & Gascompanies in particular, are facing ever-increasingdemands for investment prioritization in electrical assetsupgrade. Installed base maybe several decades old and isoften ...
    • Integration, Analysis and Optimization of Components in Secondary Substations for e-Mobility 

      Nieto, Carlos; Türk, Danel; Simonlatser, Tiit (AIM, 2019-06-03)
      Despite the significant advances in the battery electric vehicles, there are still some restrictions that have to be addressed by electrical energy stakeholders. These are mainly long charging times, lack of high-power ...
    • Microgrid Value Stacking to Defer Distribution Capacity Upgrades of Radial Feeders 

      Bitaraf, Hamideh; BUCHHOLZ, Britta; ASTORGA, Pablo; GLASSMIRE, John (AIM, 2019-06-03)
      Distribution utilities facing growing demand in feeders need to consider approaches for capacity upgrades. The conventional approach is to upgrade capacity with an extension of the substation and related assets. However, ...
    • Novel Method for identifying maximum Renewable Energy Penetration in Distribution Grids 

      Biagini, Veronica; Giuntoli, Marco; Noglik, Peter; Biskoping, Matthias; Gutermuth, Georg; Bhalodi, Kalpesh; Oudalov, Alexandre (AIM, 2018-06-07)
      With more and more integration of renewable energy sources into the grid, electrical network structure is experiencing significant changes which causes existing power system study tools and algorithms need to be developed ...
    • Partial Discharge alert system in medium voltage switchgear 

      Gemme, Carlo; Guastavino, Francesco; Hencken, Kai; Krivda, Andrej; maret, Yannick; Testa, Marco; Gallesi, Federico (AIM, 2019-06-03)
      Partial discharge (PD) is a well-known indicator of insulation problems in high voltage equipment. We report on experience collected during the development of a new online PD detection and alert system for air insulated ...
    • RMU with Eco-Efficient Gas Mixture: Evaluation after 3 years of Field Experience 

      Kristoffersen, Martin; Hyrenbach, Maik; Harmsen, Denny; Van Rijn, Theo; Vosse, Robert (AIM, 2019-06-03)
      Gas-insulated switchgear (GIS) are key components in medium voltage (MV) distribution networks. SF6 gas is the preferred insulation medium for GIS. However, SF6 has a high global warming potential (GWP) of 22800 and might ...
    • Sampled Measured Values Long Distance Transfer Experiment 

      Bajánek, Tomáš; Štefanka, Martin; Orságová, Jaroslava; Sumec, Stanislav; Mlýnek, Petr (AIM, 2019-06-03)
      IEC 61850-9-2 Sampled Values (SV) communication can be used within a substation such as for protection schemes, but also from several substations to a centre whichperforms SV evaluation for real-time state estimation in ...