Experimental Investigation and Energy Performance Simulation of Mongolian Ger with ETS Heater and Solar PV in Ulaanbaatar City

Bat-Erdene Bayandelger, Yuzuru Ueda and Amarbayar Adiyabat
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Bat-Erdene Bayandelger: Department of Natural and Social Science, Institute of Railway, bldg. 2, Peace avenue, Bayangol district, Ulaanbaatar 18104, Mongolia
Yuzuru Ueda: Department of Electrical Engineering, Graduate School of Engineering, Tokyo University of Science, Katsushika campus, 6 Chome-3-1, Niijuku, Katsushika City, Tokyo 123-8585, Japan
Amarbayar Adiyabat: Renewable Energy Laboratory, Department of Electronics and Communication Engineering, School of Engineering and Applied Science, National University of Mongolia, bldg. 3, Ikh Sruguuliin gudamj-3, Sukhbaatar District, Ulaanbaatar 14201, Mongolia

Energies, 2020, vol. 13, issue 21, 1-13

Abstract: There are approximately 200,000 households living in detached houses and gers (yurts) with small coal stoves that burn raw coal in Ulaanbaatar city. A proper heating system and improvement of the energy efficiency of residential dwellings are vitally important for Ulaanbaatar city to reduce air pollution as well as for the operation of the current central energy system. This study shows the experimental results for two gers with two different heating systems and different thermal insulation, for investigating the merits of each. The technical feasibility of the system consisting of an electric thermal storage (ETS) heater with a daytime charging schedule and areal photovoltaic (PV) system was also examined by using a simulation with software developed in MATLAB (R2020a, MathWorks, USA). As a result of the experiment, the indoor comfort level and energy efficiency of the ger with added insulation and an ETS heater with nighttime charging were shown to be enhanced compared with those of the reference ger. The ger with added insulation and the ETS heater consumed 3169 kWh for electric appliances and 5989 kWh for the heating season. The simulation showed that the PV self-consumption rate is 76% for the Ger 2 with the ETS heater because of the daytime charging schedule of the ETS heater. The PV system supplied 31% of the total energy consumed, with the remaining 69% from the main grid.

Keywords: experimentation; energy simulation; ETS heater; Mongolian ger; solar PV (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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