TY - GEN
T1 - AHU discharge air temperature reset strategy according to outdoor air temperature
AU - Park, Min Kyeong
AU - Kang, Won Hee
AU - Kim, Chul Ho
AU - Lee, Jong Man
AU - Lee, Kwang Ho
N1 - Funding Information:
This work was supported by Korea Institute of Energy Technology Evaluation and Planning(KETEP) grant funded by the Korea Government(MOTIE) (2019271010015B, Development of Eco-friendly Energy Supply Resource Control System)
Funding Information:
This work was supported by the National Research Foundation of Korea(NRF) grant funded by the Korea government(MSIT) (No. 2019R1A2C2087157).
Publisher Copyright:
© 2020 16th Conference of the International Society of Indoor Air Quality and Climate: Creative and Smart Solutions for Better Built Environments, Indoor Air 2020. All rights reserved.
PY - 2020
Y1 - 2020
N2 - In Korea, the building sector is implementing a strategy to reduce greenhouse gas emissions by about 65 million tons by strengthening the energy standards for new buildings built from 2030 and activating green remodeling of existing buildings. Therefore, in this study, instead of the simple fixed control method, which is one of the VAV methods used in most office buildings to reduce building energy, AHU(Air handling unit) DAT(Discharge air temperature) set-point reset based on outdoor air temperature will be studied to change the AHU discharge air temperature proportionally according to the continuously changing outdoor air temperature. The simulation tool used in this study is EnergyPlus. In order to implement the AHU DAT Set-point reset based on outdoor air temperature, the setting value is assigned to Case1 and Case2 through EnergyPoint's SetpointManager:OutdoorAirReset Object. As a result of comparing the simple fixed control and the AHU DAT set-point reset based on outdoor air temperature, Case 1, which had a broader outdoor temperature range for the AHU DAT set-point reset between the two cases, realized more energy saving in summer than conventional control method and Case 2.
AB - In Korea, the building sector is implementing a strategy to reduce greenhouse gas emissions by about 65 million tons by strengthening the energy standards for new buildings built from 2030 and activating green remodeling of existing buildings. Therefore, in this study, instead of the simple fixed control method, which is one of the VAV methods used in most office buildings to reduce building energy, AHU(Air handling unit) DAT(Discharge air temperature) set-point reset based on outdoor air temperature will be studied to change the AHU discharge air temperature proportionally according to the continuously changing outdoor air temperature. The simulation tool used in this study is EnergyPlus. In order to implement the AHU DAT Set-point reset based on outdoor air temperature, the setting value is assigned to Case1 and Case2 through EnergyPoint's SetpointManager:OutdoorAirReset Object. As a result of comparing the simple fixed control and the AHU DAT set-point reset based on outdoor air temperature, Case 1, which had a broader outdoor temperature range for the AHU DAT set-point reset between the two cases, realized more energy saving in summer than conventional control method and Case 2.
KW - AHU (Air handling unit)
KW - AHU discharge air temperature
KW - Cooling energy
KW - Energy plus
KW - Outdoor air temperature compensation control
KW - Variable air volume
UR - http://www.scopus.com/inward/record.url?scp=85101648168&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:85101648168
T3 - 16th Conference of the International Society of Indoor Air Quality and Climate: Creative and Smart Solutions for Better Built Environments, Indoor Air 2020
BT - 16th Conference of the International Society of Indoor Air Quality and Climate
PB - International Society of Indoor Air Quality and Climate
T2 - 16th Conference of the International Society of Indoor Air Quality and Climate: Creative and Smart Solutions for Better Built Environments, Indoor Air 2020
Y2 - 1 November 2020
ER -