Control strategies for modulating heat pumps in a plus energy building
- Since the feed-in tariff of photovoltaics (PV) decreases [1], PV selfconsumption becomes more profitable. Especially heat pumps, which are able to modulate the compressor speed, open up more flexibility for consuming fluctuating PV power. For exploiting the full potential of PV self-consumption smart control strategies for modulating heat pumps (MHPs) are needed. In this research, the development and the real application of optimized control strategies for MHPs in plus energy terraced houses, built in 2017, are realized. Two control strategies, a PV rule based (PVC) and a model predictive control (MPC) are tested and compared in simulation. Results for the MPC of a 12 months simulation show potential for a moderate increasing PV self-consumption up to 2.1 % and significant reducing operating costs up to 36.1 %. In real application in the terraced houses, the PVC offers an increase of PV self-consumption by 4.1 % for a monitored week, compared to a heat controlled operation.
| Author: | Christina Betzold, Susanna BordinORCiD, Arno Dentel, Gunnar Harhausen |
|---|---|
| ISBN: | 9789189385481 |
| Parent Title (English): | 13th IEA Heat Pump Conference 2021 |
| Document Type: | conference proceeding (article) |
| Language: | English |
| Date of first Publication: | 2021/08/31 |
| Release Date: | 2024/07/19 |
| Tag: | PV self-consumption; control strategies; modulating heat pumps; operating costs |
| Article Number: | Paper No 042 |
| Pagenumber: | 246 - 254 |
| First Page: | 246 |
| Last Page: | 254 |
| Konferenzangabe: | 13th IEA Heat Pump Conference April 26-29, 2021 Jeju, Korea |
| institutes: | Fakultät Maschinenbau und Versorgungstechnik |
