The ESRs' technical work is divided into 3 work packages (WP). They summarise the purpose of their work in these 2-3 minute videos:
1- Components of DC grids & wind farms:
https://www.youtube.com/watch?v=actmkFld-5k&t=18s(se abrirá en una nueva ventana)2 - Connection of offshore wind farms:
https://www.youtube.com/watch?v=BEYlQEubDck&t=92s(se abrirá en una nueva ventana)3 - Hybrid AC/DC grids:
https://www.youtube.com/watch?v=5wF6QphY7vk(se abrirá en una nueva ventana)They worked on the following Deliverables & Milestones from the beginning of the project to 31 December 2021 (end):
WP1 - Components of DC grids and wind farms (Lead: B2 UPC):
D1.1 (Aug 2018) Report on the evaluation of DC/DC converters, submarine cables and offshore substations on losses, cost, economy and reliability.
MS1 (Aug 2018) Targeted models of MMCs, DC/DC transformers, HVDC outdoor insulation, cost analysis and SCADA/EMS determined.
D1.2 (Feb 2019) Report on the control requirements, protections and fault management of DC/DC converters and MMCs.
D1.3 (Aug 2019) Methodology for reducing the weight and costs of the HV and MV equipment for connecting to AC and DC systems.
MS2 (Aug 2019) Methodology for weight and cost reduction of power converter stations presented.
D1.4 (Feb 2020) Toolboxes of a general modelling method for power electronic converters, MMC control design and designing and analysing DC transfomers.
D1.5 (Aug 2021) Report on the toolboxes and experimental validation of design, and models of DC transformer, EMS and SCADA.
MS3 (Aug 2020) Toolboxes and models validated with relevant cases.
WP2 - Connections of offshore wind farm (Lead: B6 DTU):
D2.1 (Aug 2018) Progress report on review and evaluation of OWPP control systems, collection configurations & transmission technologies, offshore electrical resonance instability phenomenon.
MS4 (Aug 2018) Targeted models of DC collection system, low frequency AC offshore transmission, wind turbines determined.
D2.2 (Feb 2019) Algorithms on characterising analytically resonance frequencies & power management.
D2.3 (Aug 2019) Report on optimal control, resonance mitigation and system configuration, tool for technical and economic analysis of different transmission technologies combined with different collection concepts.
MS5 (Aug 2019) New algorithms for electrical instability analysis and cluster control.
D2.4 (Feb 2020) Control solutions for island operation and black start capabilities of OWPP.
D2.5 (Aug 2020) Tools for analysing resonances, design and control interactions.
MS6 (Aug 2020) Innovative tools for resonance analysis, design and control interactions available and verified.
WP3 - Hybrid AC/DC grid (interactions between AC & DC grids) (Lead: B7 KU Leuven):
D3.1 (Aug 2018) Progress report on the review and evaluation of DC and AC grid operation and interactions in different time frames.
MS7 (Aug 2018) Targeted models of hybrid AC/DC grids, controller design methods, reliability assessment methods determined.
D3.2 (Feb 2019) Report on dynamic converter interactions and the feasibility of different software routines to represent the problems.
D3.3 (Aug 2019) Mathematical framework for converter interaction modelling.
MS8 (Aug 2019) Protection algorithms of DC grids considering AC/DC interactions proposed and verified.
D3.4 (Feb 2020) Protection of hybrid AC/DC grids: feasible and implementable approaches.
D3.5 (Aug 2020) Feasible implementable approaches to modelling dynamic converter interactions with the large-scale AC system and wind farms.
MS9 (Aug 2020) Tool to assess AC/DC grid reliability is validated with relevant cases.
Dissemination & Communication overview can be seen in the WP5 Deliverables & Milestones (Lead: B4 Uporto):
MS12 (March 2018) First network-wide public outreach event.
MS13 (Feb 2019) All ESRs to have presented results to groups outside network/host institutions
D5.1 (Dec 2021) ESR publications in international conferences and journals.
D5.2 (Aug 2021) Outreach activities organised.
D5.3 (Dec 2021) Project newsletters circulated.
D5.4 (Dec 2021) Identification of exploitable project outputs.