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District Heating and Cooling including Combined Heat and Power

Annex IV Project 07

The Research / IEA DHC Annexes / 1993-1996 / Annex IV / Annex IV Project 07

Managing a hydraulic system in District Heating

Project Downloads


More and more low-temperature systems are in operation in district heating. The advantages are obvious, especially when operating a direct system and a STAG (STeam And Gasturbine combined cycle), combined heat- and power plant. This project looked at the effect of combining a number of measures in one system.


The results from the project are available in a report that is based on the system being used at Purmerend in the Netherlands.The fiollowing issues are discussed:

    - System modifications
    - The main heat source
    - The hydraulic circuit
    - Heat storage
    - Controlling CHP station, storage tanks and auxiliary boilers
    - Controlling substations
    - Consumer controls
    - Heat transport
    - Safeguarding
    - Adjustment to developments
    - Cost analysis of system options

Downloadable Documents

Managing a Hydraulic System in District Heating
[Summary Report - PDF - 3-pages, 18Kb]

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