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CWA 16975:2015

Eco-efficient Substations for District Heating

General information
Valid from 05.01.2016
Base Documents
CWA 16975:2015
Directives or regulations
None
Standard history
Status
Date
Type
Name
01.11.2016
Corrigendum
05.01.2016
Main
The target is to describe what is an eco-efficient substation (EES), how this eco-efficient substation is considered, tested and certified. EES concept includes as much substation efficient design as possible, without trying to cover an exhaustive point of view. The scope of the EES is to focus on a reachable future, realistic compliance with the existing system and ways of handling substation issues in a harmonized manner across Europe. The proposed standard is compliable with the expected development in Europe in the future such as: • New buildings with less demand for energy and more demands for lower temperatures. • The connection systems should be standardized in order to make the substation replacement as easy as possible. The aim is to consider the whole life of the system, including all seasons and not only the peak load operation. The most important period to consider, is the long duration time with both heating and domestic hot water demands. EES should be certified, and marked according to certification that is given according to testing result and environmental ranking. Only EES with capacity up to 500kW per heat exchanger for heating and domestic hot water respectively, can be certified. Small substations intended for single-family houses or flats, shall not be certified. A certificate can include one specific substation or a series of substations. This document contains 3 main parts: Technical: Describes the main and optional components of the EES Environmental: Describes the various parameter and components that give the efficiency to the substation, how these are ranked and the marking procedure Testing and certification: The testing and certification procedures.
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