This deliverable lists the qualitative set of requirements for the Meshed Offshore Grid (MOG) that is used throughout the project.

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Deliverable 1.2 has the general objective of defining the requirements that should be met by an offshore HVDC grids and the wind farms connected to it.

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This deliverable brings together existing studies of offshore meshed HVDC grids and synthesizing them in order to create a baseline.

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The newly released deliverable 1.4 of Work Package 1 has the purpose to provide relevant scenarios for potential installed wind capacities in the Northern Seas and load/generation of surrounding countries based on available informatio.

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Deliverable 1.5 contains definitions of which requirements are quantifiable and presents a list of the quantified requirements of a Meshed Offshore Grid (MOG).

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Deliverable 1.6 develops a draft offshore grid expansion roadmap for the evacuation of offshore wind energy from the North Sea during the decade 2020-2030. It also studies the economic viability of HVDC offshore meshed grids by comparing their costs and benefits with radial point-to-point connections of offshore wind farms.

Download Deliverable 1.6: Draft roadmap and reference offshore grid expansion plan (PDF 6MB)

In this deliverable, a set of requirements for the DRU (Diode Rectifier Unit) connected offshore wind farm is given as a basis for the control and compliance procedure development in Work Package 3.

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Deliverable 3.2 has main objective to identify and specify appropriate analyses and tests to demonstrate the interoperability of wind turbine and wind power plant controls with two different types of HVDC systems: diode rectifiers and VSC converters respectively to connect the wind power plants to the DC network.

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In this deliverable, a method for shallow assessment of fault clearing strategies is developed and used to benchmark the fault clearing strategies available in the literature.

Download Deliverable 4.2 (PDF 15 MB)

This deliverable looking at the test environment of HVDC circuit breakers targets the HVDC network fault analysis.

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This deliverable provides a fault stress analysis of HVDC circuit breakers within Work Package 5, which looks at the test environment of HVDC circuit breakers.

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To date, there is no international standard describing the requiremensts, applicable tests and test procedures of HVDC circuit breaker. This document provides a general guideline for list of tests that shall be applied to HVDC circuit breakers for its operation and performance verification. Since there is no international standard for HVDC circuit breakers, the document is compiled using AC circuit breaker standards, CIGRE technical brochures, VSC converter valve standard and Chinese draft standard for HVDC circuit breakers as references.

Download Deliverable 5.4 (PDF 1.1 MB)

This document provides general information and guidelines for conducting tests of HVDC circuit breakers. In order to verify the test requirements defined in deliverable 5.4, the type of tests and sequence of execution, number of tests and pass/fail criteria are described.

Download Deliverable 5.5 (PDF 567 KB)

This document provides an overview and comparison of the various test circuits and their limitations, which can be used to realise the current breaking test requirements and procedures discussed in D5.4 and D5.5, respectively. The test circuits’ performance is compared to the test requirements. Methods to set-up and tune the test circuits’ parameters are presented. Approaches such as multi-part testing unit testing and synthetic testing, which seek to maximally test functionality and verify ratings within the test circuit’s limitations, are discussed.

Download Deliverable 5.6 (PDF 2.6 MB)

The main objective of this deliverable is developing system level models for selected hybrid DC CBs in PSCAD and EMTP.

Download Deliverable 6.1 (PDF 2.0 MB)

The objective this deliverable is the development of a PSCAD system-level model of the mechanical DC circuit breaker with active current injection.

Download Deliverable 6.2 (PDF 716 KB)

The present deliverable elaborates the current legal framework for offshore wind and grid development on international, European and national level. It is shown that often, the legal framework needs to be adapted in order to facilitate the development of a meshed offshore electricity grid. This is because offshore wind and offshore grid connections have developed strongly in the past few years while the legal framework lags behind. It becomes clear that while solutions have been sought in order to facilitate offshore wind, hybrid solutions that combine interconnection with offshore wind connection are often not yet supported by legal frameworks.

Download Deliverable 7.1 (PDF 2.7 MB)

This deliverable focuses on the development of an economic framework for the offshore grid in terms of three building blocks namely: planning, investment, and operation.

Download Deliverbale 7.3 (PDF 2.8 MB)

The aim of D7.5 is to identify and propose appropriate recommendations to facilitate investments in a meshed offshore electricity transmission grid in the North Sea. Based on research on the current financing of onshore and offshore electricity transmission grids in the European Union (EU), the investigation and comparison with international practices and the identification of the main financial challenges and investment barriers, a set of recommendations will be developed to overcome these challenges and the investment gaps.

Download Deliverable 7.5 (PDF 1.2 MB)

This deliverable provides the executive summary of the project interim report and gives an overview of the work done within the PROMOTioN project.

Download Deliverable 13.5 (PDF 969 KB)