In this paper simulation results of two typical houses in St. John's are presented using BEOpt (Building Energy optimization) software. Simulation is done using one-year weather data, typical thermostat settings and occupation of two houses. BEopt provides capabilities to evaluate residential building designs and identify cost -optimal solution at various levels of whole-house energy savings along the path to zero net energy. It was noticed that the annual energy consumption determined using simulation in BEopt is almost same as the actual energy consumption, logged with a sampling time of 2 minutes for both the houses. This simulation, analysis and a comparison is necessary to validate the thermal model of houses. The developed model of the houses could be used to design a renewable energy system or study human behaviour impact on the house energy consumption. Simulation results and a detailed analysis of the logged data are presented in the paper.
In this paper a design of a low cost data logger to log temperature and power consumption in a house is presented. The designed data logger is capable of logging four AC current and two temperature measurements. It is based on a low cost microcontroller PIC18F4550. Microcontroller is programmed using Mikrobasic. The circuit displays temperature measurements on an LCD display and all measurements are also stored in separate files on a sd card. Power consumption of two houses was logged for one year using a sampling time of 2 minutes. The data stored in a sd card is used for further analysis. This paper also presents design of data logger and a detailed analysis of energy consumption of two houses based on collected data. Data analysis indicates power consumption pattern and its variation over a year. Analysis indicates that the logged data and monthly data collected by the utility company give similar energy consumption.
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