Quasi-Dynamic Modelling of DC Operated Ground-Source Heat Pump
Paper in proceedings, 2020

The performance of a conventional ground-source heat pump (GSHP) has been measured in the laboratory with alternating current (AC) and direct current (DC) operation using the standardised points from EN14511:2018. The results from these measurements have been used to modify a variable speed heat pump model in IDA Indoor Climate and Energy (ICE) and the annual performance of AC and DC operation have been simulated for an entire year’s operation at two geographical locations in Sweden. Results show that the energy savings with DC operation from laboratory measurements span between 1.4–5.2% and when simulating the performance for an entire year’s operation, the energy savings vary between 2.5–3.4%. Furthermore, the energy savings from the simulations have been compared to the bin method described in EN14825:2018.

Heat pump

Building Simulation

Energy Savings

Direct current

Author

Patrik Ollas

Chalmers, Electrical Engineering, Electric Power Engineering, Electrical Machines and Power Electronics

Caroline S Markusson

Building Services Engineering

Torbjörn Thiringer

Chalmers, Electrical Engineering, Electric Power Engineering, Electrical Machines and Power Electronics

SINTEF Proceedings

2387-4295 (ISSN)

Vol. 5 208-213

BuildSIM Nordic 2020
Online, Norway,

Driving Forces

Sustainable development

Subject Categories

Energy Engineering

Energy Systems

Marine Engineering

Areas of Advance

Energy

More information

Latest update

1/1/2021 4