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Droop controlled operation of heat pumps on clustered distribution grids with high PV penetration
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2016 (English)In: 2016 IEEE International Energy Conference, ENERGYCON 2016, IEEE conference proceedings, 2016Conference paper (Refereed)
Abstract [en]

In this work the impact of a high penetration of air to water heat pumps and PV plants on the distribution grid in residential areas is investigated. Results show that increasing PV penetration increases the hours of critical states in the distribution grid. Air to water heat pumps reduce those effects slightly when they are added to the grid. With an increasing penetration of heat pumps new problems, such as load peaks in the mornings, arise. By integrating voltage dependent droop control into the heat pumps, the negative effects on the distribution grid can be reduced. This reduction comes with a loss of HP efficiency and shows strong seasonal variability. For this study a set of representative grid layouts is used. Electric and thermal load profiles for each house are generated using the synPRO stochastic bottom-up model. The thermal load is covered by variable speed electric heat pumps combined with thermal storage. Resulting electric loads are used as input for a probabilistic load flow model.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2016.
Keyword [en]
decentralized control, Distribution grid, droop control, DSM, heat pump, Electric load flow, Heat pump systems, Heat storage, Pumps, Stochastic models, Stochastic systems, Thermal load, Air-to-water heat pump, Bottom up models, Heat pumps, Probabilistic load flow, Residential areas, Seasonal variability, Heating
National Category
Energy Engineering
URN: urn:nbn:se:kth:diva-197142DOI: 10.1109/ENERGYCON.2016.7514089ScopusID: 2-s2.0-84982814961ISBN: 9781467384636OAI: diva2:1056012
2016 IEEE International Energy Conference, ENERGYCON 2016, 4 April 2016 through 8 April 2016

QC 20161213

Available from: 2016-12-13 Created: 2016-11-30 Last updated: 2016-12-13Bibliographically approved

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Fischer, David
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Energy Engineering

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