The deliverable 1.1 of the RESTORE project aims to provide an extended definition of the RESTORE concept. The report provides information about the Requirements and Specification of the different innovative components presented in the RESTORE solution (especially the thermochemical storage system and the thermodynamic cycles).

In addition, the report describes the interfaces of the system, considering the different sources and sinks that can be interconnected.

Deliverable 1.1 applies to the RESTORE overall concept. Thus it provides a general definition, presenting different options, which must be selected, adapted and designed for each use-case in an ad-hoc solution considering the boundary conditions imposed by each specific application. In that context, the document provides the general basis of the concept that will be considered as a guide during the project implementation.

Full content & Contact details

The full content of Deliverable 1.1 is available here.

For further information concerning this deliverable, please contact:

Francisco Cabello
Centro Nacional de Energías Renovables (Fundación CENER)
fcabello@cener.com

Figure: RESTORE overall concept

Deliverable D1.4 is the result of the work carried out in Task 1.4 “Specifications of RESTORE Numerical Models and Virtual Use-Cases for Simulation” of WP1 (RESTORE Requirements Definition, Specifications and Analysis). It describes the relevant specifications for the numerical models developed within RESTORE Project, giving emphasis to the models that are used in the six defined virtual use-cases for RESTORE. For this, D1.4 gathers specifications, such as feasible computational effort, compatibility between models, adaptability to the web-platform, modularity and flexibility.

The information provided here builds up on the general guideline of Deliverable D1.1 of the RESTORE overall concept, and focuses on its modelling, emphasizing the simulation concept of the project and the adaption of the simulation tools for the design of each Use-Case in an ad-hoc solution, considering the boundary conditions imposed by each specific application. In this context, the document provides the general basis to be considered as a guide during the project process modelling and use-cases implementation.

Full content & Contact details

The full content of Deliverable 1.4 is available here.

For further information concerning this deliverable, please contact:

Fatima Dargam
SimTech GmbH
f.dargam@simtechnology.com

Erhard Perz
SimTech GmbH
e.perz@simtechnology.com

Figure: Modelling of an rORC process in IPSE GO

The deliverable 2.2 of the RESTORE project is the result of Task 2.2 – “TCES small scale (1-2 kWth) continuous reactor design and manufacturing (M5-M12)” . It describes in detail the design of a 1-2 kWth continuously operated thermochemical energy storage (TCES) reactor.

This report is related to work package 2:

• “RESTORE High Energy-density Thermo-chemical Storage for daily and seasonal Energy Storage in DHC” as well as in combination with the further task in WP2, T2.1:
• “TCES conceptual design and batch type TCES experiments (M1-M18) ” and T2.3:
• “TCES small scale continuous reactor testing and optimisation (M13-M28)

It also provides the basis for designing and manufacturing a TCES reactor in the size of 30- 50 kWth in T2.4 – “Design of the 30-50 kWth /100-150 kWh TCES reactor for coupling with the thermodynamic cycle (M18-M28)”.

Scope of reactor experiments

Since the decision for a specific reaction system takes place at a later point of time, the focus during the engineering process of the continuous reactor was on its adaptability of it, to the requirements of the different reaction systems. That’s why, the main focus of this continuously operated reactor is, to investigate the continuous reaction of the different considered thermochemical energy storage systems and to identify the challenges, which could arise. In parallel, the essential framework conditions, e. g. heat transfer to/from the reactor, based on the flow structure of the suspension has to be analysed as well. For this task, a further reactor test stand was established, which allows performing experiments at different concentrations of solids and by using different stirrer types, as well as combinations of them.

In addition, Deliverable 2.2 introduces the test procedure of the experiments conducted in a lab-scale batch reactor. These experiments were used to test different thermochemical energy storage materials (TCM) and find the best available reaction system for the first scale-up step. Within the scope of task T2.1, there will be further investigation and optimising of the potential systems, and there will be a continued search for alternative systems to present the most suitable and final TCES reaction system in the report on deliverable 2.1 (M18).

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The full content of deliverable 2.2 is confidential.

For further information concerning this deliverable, please contact:

Prof. Andreas Werner
Technische Universität Wien
Department of Thermodynamics and Thermal Engineering
andreas.werner@tuwien.ac.at

Photos of a thermochemical batch reactor by Alfred Zacharias

The present deliverable presents the features, the operating principle and some results that can be obtained as a part of Task 3.1 – “Numerical model for optimal design of HP/ORC thermodynamic cycles ”. According to task description the Numerical model can perform the constrained optimization of the system investigating non-conventional plant configurations and selecting the most appropriate working fluid(s). A numerical model has been implemented in Python 3.7 and integrated with REFPROP 10 in order to ensure a high accuracy of working fluid thermodynamic properties calculation.

The numerical model is able to maximize system performance also providing a preliminary sizing of main components and techno-economic assessment based on RTE/A_tot that has been identified as the most appropriate figure of merit for preliminary screening of fluids and cycle optimal parameters also accounting for the heat exchangers sizing. The numerical model is flexible and able to include different types of RES and technologies or WEH for providing heat (at high and medium temperature) and electricity. In addition to what was reported in the Grant Agreement the code is also able to investigate reversible, coupled and decoupled cycles and perform Pareto front analysis. Code structure and main features are all implemented, and the code will be further improved till the end of the project.

Full content & Contact details

The full content of Deliverable 3.1 is available here.

For further information concerning this deliverable, please contact:

Marco Astolfi
Politecnico di Milano
marco.astolfi@polimi.it

Dario Alfani
Politecnico di Milano
dario.alfani@polimi.it

Figure: Solving scheme for the heat pump (HP) (left) and power cycle (PC) (right)

The deliverable D5.10 reports about the project’s EU-wide replication strategy from task T5.5 on “Replication Strategy via Stakeholders additional Cases”. The primary aim is to encourage stakeholders to create additional test-cases based on the six defined virtual use-cases for RESTORE, using the RESTORE virtual tool powered by the IPSE GO simulation web-platform.

This reports outlines the the relevant aspects of the specification of the Test-Cases Replication Strategy for RESTORE, focusing on two particular phases and the main steps to be taken in each of them. Furthermore the challenges to be faced on these two replication strategy phases are identified. Additonally, this deliverable also decscribes the planned activities related to the replication strategy for the test-cases, in cooperation with the work done in WP6 and WP7 and draws some concluding remarks about the work carried out in T5.5 so far.

Full content & Contact details

The full content of Deliverable 5.10 is available here.

For further information concerning this deliverable, please contact:

Fatima Dargam
SimTech GmbH
f.dargam@simtechnology.com

Erhard Perz
SimTech GmbH
e.perz@simtechnology.com

Figure: RESTORE Replication Strategy Dependency

To model individual components of the overall RESTORE system and to be able to use them in system simulations, the model library RESTORE_Lib has been developed in task T5.1, led by SIMTECH. The main goal of task T5.1 was twofold: (1) Modelling, fine-tuning & testing all component-models of the overall RESTORE system, based on Partners’ received information; as well as (2) Creation & Maintenance of the customized Process Model Library (RESTORE_Lib) for the project, to be used in the simulations of IPSEpro and IPSE GO . This Deliverable 5.1 includes the results and software-models derived from task T5.1, with an overview of the library content.

In addition, this deliverable also presents the economic model considered in the project, which is a highly flexible model, allowing the user to modify a high number of parameters for performing the economic simulations. The economic model considered for RESTORE, developed in collaboration with CENER, receives information from the technical simulation to show as results relevant economic variables such as the Net Present Value, the Internal Return Rate and the Levelized Cost of Storage for Electricity and Heat.

Full content & Contact details

The full content of Deliverable 5.1 is available here.

For further information concerning this deliverable, please contact:

Stefan Bergmann
SimTech GmbH
e.perz@simtechnology.com

Fatima Dargam
SimTech GmbH
f.dargam@simtechnology.com

Table: Available Units of the component models

The report on technology watch and market evaluation of the RESTORE project is the related to Task 6.2.1 – Technology watch. The first version of the report was published in deliverable 6.5, which will be updated in a 12-months period.

The main objectives of the report are:

• to give an overview about long term energy storage, concerning the concept of pumped thermal energy storage (PTES). Some considerations about the RESTORE concept, the architecture of the power cycle and organic working fluids are included. Furthermore the main players on the European market are listed.
• the technology watch, which can be subdivided into a patent- and a trademark-search, taking under consideration relevant literature and ongoing research activities.
• the market analysis, which consists of two major points:
  – the preparatory phase, comprising the identification of key exploitable results
  – the methodological approach to the market analysis, describing tools, a questionnaire and workshops

Full content & Contact details

The full content of Deliverable 6.5 is confidential.

For further information concerning this deliverable, please contact:

Lucia Hörner
Steinbeis Europa Zentrum
lucia.hoerner@steinbeis-europa.de