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The desing of Triple Function Substations in combination with RELaTED technologies

Ultra-Low temperature district heating introduces multiple benefits at network level, as the reduction of heat losses and the improvement of heat generation efficiency. ULTDH also facilitates the integration of low temperatures renewable energy sources and waste heat into the district heating network. Renewable heat sources as solar thermal and heat pumps can be coupled to the district heating network and the buildings through specially designed district heating substations. Some images of the Microbooster and BILTST demonstration in Taastrup, Denmark. During the development of the RELaTED project, several Triple Function Substations (3FS) have been evaluated and designed. Those were investigated in different versions, connection schemes configurations and operating modes depending on the district heating characteristics, the building types and [...]

webmaster2021-02-18T12:59:29+00:00February 18th, 2021|Public documents|

EnergyFlexHouse – Energy Neutral Concept House to Test Solar Collectors and District Heating

Editor's Note: This article was previously published at Inaventa Solar website. Photo: DTI Denmark is set on becoming 100% independent of fossil fuels. This is an inspiring challenge, which can be met through development and beneficial application of energy efficient and sustainable technologies, expresses Danish Technological Institute (DTI) on their webpages. DTI is the responsible developer of the energy neutral concept house EnergyFlexHouse, which is a part of “Green Lab for Energy Efficient Buildings” (GLEEB). This has been established to evaluate and verify innovative solutions, with respect to both energy efficiency cost effective technologies and intelligent interfaces between the users, the equipment and the building itself. The last piece of this puzzle is the installation of Inaventa Solar’s solar collectors. These are [...]

webmaster2021-02-03T13:17:06+00:00February 3rd, 2021|News|

The RELaTED exploitation seminar shows that with ultra-low temperature district heating, everyone wins

Author: Richard Karl Henahan – Research Analyst at the Institute of Baltic Studies. Richard Karl Henahan – Research Analyst at the Institute of Baltic Studies. Last April, RELaTED partners took part in a three-day virtual exploitation seminar to formulate their individual exploitation plans. Exploitation plans help project beneficiaries develop a strategy and concrete actions for the protection, dissemination, and exploitation of the project results. At the end of the seminar, project partners created their own “Key Exploitable Results” tables which maps how the RELaTED results can be incorporated into their individual business plans. Exploitation plans help project beneficiaries develop a strategy and concrete actions for the protection, dissemination, and exploitation of the project results. Despite the technical and [...]

webmaster2021-01-14T11:55:52+00:00January 14th, 2021|Editorial|

District Heating De-Carbonisation in Belgrade. Multi-Year transition plan

The present article, presented at Beyond 2020 digital event, summarizes the renovation plans for the District Heating network of the city of Belgrade. The paper includes the criteria for the selection of the technologies, the identification of enabling investments, interaction with stakeholders, securing of financing, and status of the plan. AUTHORS: Antonio Garrido Marijuan, TECNALIA, Roberto Garay, TECNALIA, Mikel Lumbreras, ENEDI Research Group, Ljubisa Vladic and Radmilo Savić, Beogradske Elektrane. DOWNLOAD THIS PAPER >> Capacity and location of the main central plants of the Belgrade DH (Source: BE Management and Deloitte analysis). A large share of the city of Belgrade is heated by a District Heating network. Established in 1965, the network delivers 3.6 TWh to more than 20 [...]

webmaster2020-12-03T12:18:44+00:00December 3rd, 2020|Conference and scientific journals, Publications|

RELaTED partners made great advances in last 6 months

On November 24th, the RELaTED project partners came together online at the RELaTED 7th General Assembly. The meeting, that took place in a virtual format, was a great opportunity to talk about their advances in the RELaTED Ultra-Low Temperature district heating solution and establish the work plan for the following semester. After 6 months of hard work, the RELaTED H2020 funded project latest developments were presented by video meeting at the 7th General Assembly. During this virtual event, the partners presented to the consortium their progress in the different work packages. A lot of advances have been made, especially in the four demo sites where the project is beins tested. In Denmark, for example, the Energy Flex Houses systems has [...]

webmaster2020-11-27T15:50:44+00:00November 27th, 2020|News|

SMACCs master programme invites the RELaTED Project coordinator to talk about district heating

The coordinator of the RELaTED Project will talk about district heating systems at the SMACCs Master Programme. The University of the Basque Country invites the RELaTED Project coordinator, Roberto Garay, for the second consecutive year, to be part of a seminar organized by the Master Programme in Smart Cities and Communities SMACCs. The seminar will be held from 1st to 4th of December, both included, and it will be a great opportunity for students to learn more about sustainable buildings and solar thermal systems in district heating systems. The programme is designed to educate the next generation of engineers and researchers in Smart Cities and Communities by learning best practice from 4 of Europe’s most prestigious universities (Heriot-Watt University, University [...]

webmaster2020-11-18T17:10:50+00:00November 18th, 2020|News|

Energy meters in District-Heating Substations for Heat Consumption Characterization and Prediction Using Machine-Learning Techniques

The use of smart energy meters enables the monitoring of large quantity of data related to heat consumption patterns in buildings connected to DH networks. This information can be used to understand the interaction between building and the final users´ without accurate information about building characteristics and occupational rates. In this paper, presented at Beyond 2020 digital event, an intuitive and clarifier data-driven model is presented, which couples heat demand and weather variables. This model enables the disaggregation of Space-Heating & Domestic Hot water demand, characterization of the total heat demand and the forecasting for the next hours. Simulations for 53 building have been carried out, with satisfactory results for most of them, reaching R2 values above 0.9 in some [...]

webmaster2020-11-04T13:04:03+00:00November 4th, 2020|Conference and scientific journals, Publications|

Data driven process for the energy assessment of building envelope retrofits

In the paper “Data driven process for the energy assessment of building envelope retrofits”, a novel method is proposed based on whole-building heat load assessment by means of heat meters, and analytical calculations of building envelope transmission heat load coefficients. […]

webmaster2020-10-16T10:40:07+00:00October 16th, 2020|Conference and scientific journals, Publications|

Energy & economic assessment of façade-integrated solar thermal systems combined with ultra-low temperature district-heating

Authors: Roberto Garay, project coordinator of RELaTED and Mikel Lumbreras, researcher at TECNALIA, Basque Research and Technology Alliance (BRTA). This paper, published in the journal Renewable Energy (Volume 159, October 2020, Pages 1000-1014), conducts an energy and economic assessment of District Heating (DH) integrated Solar Thermal (ST) systems. An implementation with building-integrated ST collectors coupled to a Low Temperature District Heating (LTDH) system is studied, with special focus on unglazed collectors. ST heat is exploited in the building through direct use, while excess heat is delivered to the network. A novel control strategy for heat flows in the system is proposed. A meta-analysis of several DH configurations, interconnection schemes and installed ST capacity is performed in three different climates: Sevilla (Spain), [...]

webmaster2020-10-16T10:12:53+00:00October 1st, 2020|Conference and scientific journals, Publications|

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