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Stratégies de régulation pour la modulation des pompes à chaleur dans des bâtiments à énergie positive.

Control strategies for modulating heat pumps in a plus energy building.

Numéro : No 042

Auteurs : BETZOLD C., BORDIN S., DENTEL A., HARHAUSEN G.

Résumé

Since the feed-in tariff of photovoltaics (PV) decreases [1], PV self-consumption 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.

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Pages : 9 p.

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Détails

  • Titre original : Control strategies for modulating heat pumps in a plus energy building.
  • Identifiant de la fiche : 30029931
  • Langues : Anglais
  • Sujet : Technologie
  • Source : 13th IEA Heat Pump Conference 2021: Heat Pumps – Mission for the Green World. Conference proceedings [full papers]
  • Date d'édition : 31/08/2021

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