HYNET

POWERING EUROPE WITH SEAMLESS AC-DC INTEGRATION

HYNET Demos

HYNET technologies will be validated through simulation studies applied to 4 pilot demonstrations in diverse environments, ensuring their effectiveness under various grid conditions

Demo Site #1
Guadeloupe and Renardières, France
Demo Site #2
Montenegro
Demo Site #3
Norway
Demo Site #4
Cyprus

HYNET: PAN-EUROPEAN INTEROPERABLE AC-DC HYBRID ELECTRICITY NETWORKS

HYNET plans to enhance network security, facilitate islanding operations, and support investment planning by incorporating multi-energy modeling, thus enabling more efficient grid management across varying conditions and supporting the European energy transition. Through real-world demonstrations in diverse settings, HYNET targets to establish a robust framework for the future of European energy systems.

Designed to

1. Develop innovative technologies for the transational design and planning of AC/DC hybrid power systems.
2. Establish standardized methodologies and ensure interoperability for multi-terminal, multi-vendor MVDC and LVDC systems.
3. Define and validate functional requirements for AC and DC grid-forming capabilities.
4. Design, implement, and demonstrate a comprehensive suite of solutions that promote the adoption of DC power systems across all voltage levels, while evaluating the techno-economic advantages of DC versus AC systems.
5. Demonstrate these innovations in four European countries, showcasing the potential of AC/DC hybrid grids in both existing and planned infrastructures.
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Objectives

1. Design and implement a comprehensive plan for the efficient integration of multi-terminal HVDC systems, integrate onshore/offshore HVDC for efficient HVAC network connection and flexible ties between control zones and perform in-depth grid modelling and multi-energy vector integration for long-term and dynamic analysis.
2. Provide a framework for enhancement of the resilience of hybrid grids during islanding with advanced control, energy management, and service restoration strategies.
3. Demonstrate the effectiveness of multi terminal, multi-vendor MVDC/LVDC system interoperability via testing in simulation/real-world scenarios.
4. Enhance standardization for MVDC network control and design practices.
5. Develop of innovative control algorithms for grid forming operation in converter-inter-faced sources.
6. Design coordination strategies for DC and AC protections in hybrid AC/DC distribution grids and microgrids.
7. Optimize stability management through integrated Cost-Benefit Analyses (CBA) and informed Decision-Making.
8. Design and evaluation of loss of inertia compensation strategies.
9. Promote innovative components and systems for smart substations to enhance grid reliability.
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Partnerships

HYNET consists of 16 partners from 9 countries across Europe, combining competences and resources from academy/research community, as well as key grid stakeholders, to form a well-balanced and multidisciplinary consortium contributing, each in their area of expertise, to the success of the project goals.
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Keep up to date with HYNET

HYNET TECHNOLOGIES

HYNET employs a range of cutting-edge technologies to address the complexity of managing hybrid AC/DC energy networks. Key technologies include:

Operational Tools for Power Dispatch and Voltage Control

These tools automate power flow management and optimize voltage and reactive power control, specifically for hybrid AC/DC networks.

Grid-Forming Control Algorithms

Advanced algorithms support stable integration of renewable energy sources by allowing converters to control voltage and frequency, enhancing grid stability.

Protection Mechanisms

Novel protection strategies are developed for hybrid AC/DC grids to detect and isolate faults, especially given the bidirectional power flow and the challenges of managing DC fault currents.

Smart Transformers and Converters

Smart transformers and interlink converters provide flexible power management, allowing AC and DC grids to interconnect and operate efficiently under different conditions.

Security and Reliability Assessment Tools

Probabilistic and Monte Carlo-based simulation tools assess reliability, resilience, and security, enabling hybrid grids to maintain stability even during contingencies.

Multi-Energy Modeling for Investment Planning

Hynet enhances multi-energy modeling to consider interactions between electricity, hydrogen, and gas systems, supporting long-term planning for an integrated energy infrastructure across Europe.

OUR NEWS

HYNET news and events

PARTNERS

HYNET consists of 16 partners from 9 countries across Europe, combining competences and resources from academy/research community, as well as key grid stakeholders, to form a well-balanced and multidisciplinary consortium contributing, each in their area of expertise, to the success of the project goals.

NKUA
BME