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Withaya Yongchareon. Energy saving in a large air conditioning system by using an automatic chiller control system. case study: a shopping center. (). King Mongkut's University of Technology North Bangkok. Central Library. : , 2019.
Energy saving in a large air conditioning system by using an automatic chiller control system. case study: a shopping center
Name: Sahapat Budtikajorn
Organization :
Chulalongkorn University. Graduate School-Interdisciplinary Program
Email :
sahapat.aa@gmail.com
Name: Withaya Yongchareon
Organization :
Chulalongkorn University. Faculty of Engineering
keyword:
Temperature fluctuation
LCSH:
Automatic control
LCSH:
Energy conservation
LCSH:
Air conditioning
Abstract:
The energy consumption of air conditioning system is approximately 45% of the total energy consumption in a shopping center. Therefore, chiller operation control is important for energy saving in the large central air conditioning system. In conventional control, the change in air-condition load will affect the air handling unit chilled water flow rate and then the chiller load in order to maintain room air temperatures. This conventional control has a long response time to the load change causing the wide band of air temperature fluctuation in air-conditioned area and consuming more electrical energy in chiller operation. This paper presents the use of an automatic control system working with room air temperature sensors in air-conditioned area to assist the conventional control system of chillers operation at shopping center. This automatic control system uses air temperature sensors installed in air-conditioned areas to limit chiller load target directly. This automatic control system could reduce response time causing the narrow band of local air temperature fluctuation. The root mean square of air temperatures was reduced 0.0, 0.16 and 0.43 Celsius degrees of Cinema area, Shopping area, and food center area respectively. With the aid of this automatic control for continuous monitoring of all temperatures in the air conditioning areas, the air handling unit temperature control set points of Cinema area, Shopping area, and food center area were changed to the new target values which were 24.5, 25.3 and 25.3 Celsius degrees respectively. After applying this automatic control, the electrical energy consumption per day was reduced by 25.8 perfect.
King Mongkut's University of Technology North Bangkok. Central Library
Address:
BANGKOK
Email:
library@kmutnb.ac.th
Created:
2019
Modified:
2020-08-13
Issued:
2020-08-13
บทความ/Article
application/pdf
BibliograpyCitation :
In Suranaree University of Technology The School of Mechanical Engineering Institute of Engineering. The 10th TSME International Conference on Mechanical Engineering 2019 (TSME-ICoME10) (p.374-383.). Pattaya : Department of Mechanical Engineering
eng
©copyrights King Mongkut's University of Technology North Bangkok
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0.028197 วินาที
Sahapat Budtikajorn
| Title | Contributor | Type |
|---|---|---|
| Energy saving in a large air conditioning system by using an automatic chiller control system. case study: a shopping center
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Sahapat Budtikajorn;Withaya Yongchareon | บทความ/Article |
Withaya Yongchareon
| Title | Contributor | Type |
|---|---|---|
| Energy saving in a large air conditioning system by using an automatic chiller control system. case study: a shopping center
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Sahapat Budtikajorn;Withaya Yongchareon | บทความ/Article | |
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