Techno-economic Comparison of Timer and Optimal Switching Control applied to Hybrid Solar Electric Water Heaters

In this paper, an optimal energy control model is used to evaluate the potential energy cost saving of a hybrid solar water heater. The aim is to maximize energy cost savings under time-based pricing while maintaining the desired water temperature of the hot water user. The optimally controlled syst...

Full description

Saved in:
Bibliographic Details
Published inProceedings of the ... Conference on the Industrial and Commercial Use of Energy (Print) pp. 1 - 6
Main Authors Hohne, P.A., Kusakana, K., Numbi, B. P.
Format Conference Proceeding
LanguageEnglish
Published Cape Peninsula University of technology 01.08.2018
Subjects
Cost minimization
Domestic water heating
Electric storage tank water heater
Flat plate solar collector
Hybrid solar water heater
Optimal control
Pricing
Resistance heating
Solar heating
Switches
Water heating
Online AccessGet full text
ISSN2166-059X

Cover

More Information
Summary:In this paper, an optimal energy control model is used to evaluate the potential energy cost saving of a hybrid solar water heater. The aim is to maximize energy cost savings under time-based pricing while maintaining the desired water temperature of the hot water user. The optimally controlled system is compared to traditional timer based controlled system with the same layout as the proposed system. The hybrid water heating system is modelled and simulated using Matlab. From the formulated objective function and the case study in this work, the results present that using an optimally controlled hybrid heater will have an approximate annual cost saving of 20.8%.
ISSN:2166-059X