Interoperable opeN-source Tools to Enable hybRidisation, utiliSation, and moneTisation of stORage flexibility

UC4 – Innovative Frequency services

Objective

Define requirements for innovative services related to virtual inertia and virtual damping.

Partners involved
RWTH Aachen University, HESS
Pilots for demonstration
Simulation workbench and laboratory testbed
Interoperability tools
Client/Server, Protocol Converter, Testing system
New EMS HESS systems:
HyDEMS

Description

The evolution towards a low inertia grid is creating the need to define new strategies for power electronics connected devices to substitute actions typically realized by traditional power plants.

In the field of fast dynamic frequency transient support in terms of virtual inertia and virtual dumping is supposed to be an emerging need in the close future.

Such a service would require the adaptation of internal control parameters of the storage system so to provide the appropriate behavior. As result it may actually be necessary to foreseen that the inverter would have the capability from the so-called grid-following mode to the grid-forming mode. Different level of involvement and then different implementation can be considered.

From the point of view of this project is critical to define the data exchange necessary to activate this kind of service. This service can be seen in combination with the more classical grid support services to create a more significant business case particular during the transition when inertia may be only seldom required.

Other use cases

Enable monetisation of Distributed Energy Resources (DER) flexibility at various markets.
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Enhance community self-sufficiency mode.
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Include autonomous grid-supportive functions into interoperable software tools.
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Test the IEEE 2030.5 would be in the 2nd life battery inverter and the bms/computer of the 4th building.
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Make use of local batteries to enable higher consumptions without increasing contracted power and infrastructure investment.
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Adaptive assignment of the BESS role in distributed storage system for improved flexibility optimization and autonomous (micro-grid) operation.
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Enable flexibility optimization of a multi-physics-based system on a local (building) level. Enable (interoperable) integration of the home management system into energy community/neighborhood and flexibility optimization on the global level (with home management system being a node).
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Increase the flexibility optimization when different charger types (w/o storage, w/o V2G capability) are available and utilized. Increase the capability of the EV charging cluster in terms of grid supporting services
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