Simulation of model based predictive control applied to a solar assisted cold climate heat pump system.
Number: pap. 3610
Author(s) : CANDANEDO J. A., DEHKORDI V. R.
Summary
This paper presents a simulation study of model-based predictive control (MPC) applied to a heating system using two air-source cold-climate heat pumps. One of the heat pumps uses air preheated by a BIPV/T roof; the other heat pump uses outdoor air. The BIPV/T roof supplying heat to the heat pump has a peak electric output of about 52 kW (out of 104 kW for the entire roof) and covers an area of 320 m2. A 20-m3 water tank is used for storing thermal energy supplied by both heat pumps. The paper describes the modelling approaches followed for the building, the heat pumps, the BIPV/T roof and the TES tank. The performance of the system was studied in a Simulink environment. The MPC algorithm was developed in order to select the optimal sequence of operation states for both heat pumps under a time-of-use electricity pricing profile. The MPC algorithm calculates the expected heating load and solves the optimization problem with a genetic algorithm at 24 hour intervals. A comparison of the performance of the MPC algorithm with a benchmark, rule-based control strategy, indicates savings of about 8%.
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Details
- Original title: Simulation of model based predictive control applied to a solar assisted cold climate heat pump system.
- Record ID : 30013802
- Languages: English
- Source: 2014 Purdue Conferences. 3rd International High Performance Buildings Conference at Purdue.
- Publication date: 2014/07/14
Links
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Indexing
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Themes:
Heat pumps techniques;
Thermal energy storage - Keywords: Operation; Building; Prediction; Heat pump; Performance; Optimization; Modelling; Heating; Cold climate; Thermal energy storage
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