Economic benefits of optimal control for water-cooled chiller systems serving hotels in a subtropical climate

Energy and Buildings

Volumn 42, Issue 2, 2010, Pages 203-209

  Yu, F W ^a   Chan, K T ^a  

^a HONG KONG POLYTECHNIC UNIVERSITY   (Hong Kong)

Author keywords

Cooling tower; Economic analysis; Optimum control; Water cooled chiller

Indexed keywords

ADVANCED CONTROL; CHILLER SYSTEM; CONSTANT SPEED; CONTROL METHODS; COOLING LOAD; COOLING WATER TEMPERATURE; ECONOMIC BENEFITS; ELECTRICITY USE; ELECTRICITY-CONSUMPTION; EQUIVALENT SYSTEM; HEAT REJECTION; OPTIMAL CONTROLS; OPTIMUM CONTROL; SET-POINT; SUBTROPICAL CLIMATES; SYSTEM OPTIMIZATIONS; WATER CONSUMPTION; WATER PUMP;

AIR CONDITIONING; CONDENSERS (LIQUEFIERS); COOLING SYSTEMS; COOLING TOWERS; COOLING WATER; COST REDUCTION; ECONOMIC ANALYSIS; FANS; HOTELS; MODEL STRUCTURES; OPERATING COSTS; OPTIMIZATION; PUMPS; WATER ANALYSIS; WATER SUPPLY;

WATER COOLING TOWERS;

EID: 71649114479     PISSN: 03787788     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.enbuild.2009.08.016     Document Type: Article

References (17)

1. Chan W.W., and Lam J.C. Prediction of pollutant emission through electricity consumption by the hotel industry in Hong Kong. International Journal of Hospitality Management 21 (2002) 381-391
2. Yu F.W., and Chan K.T. Electricity end-use characteristics of air-cooled chillers in hotels in Hong Kong. Building and Environment 40 (2005) 143-151
3. Deng S., and Burnett J. A study of energy performance of hotel buildings in Hong Kong. Energy and Buildings 31 (2000) 7-12
4. Yik F.W.H., Burnett J., and Prescott I. Predicting air-conditioning energy consumption of a group of buildings using different heat rejection methods. Energy and Buildings 33 (2001) 151-166
5. Hartman T. All-variable speed centrifugal chiller plants. ASHRAE Journal 43 9 (2001) 43-53
6. Bahnfleth W.P., and Peyer E.B. Varying views on variable-primary flow. Heat-Piping-Air Conditioning Engineering 76 3 (2004) S5-9
7. Gordon J.M., Ng K.C., Chua H.T., and Lim C.K. How varying condenser coolant flow rate affects chiller performance: thermodynamic modeling and experimental confirmation. Applied Thermal Engineering 20 (2000) 1149-1159
8. Hydeman M., Sreedharan P., Webb N., and Blanc S. Development and testing of a reformulated regression-based electric chiller model. ASHRAE Transaction 108 2 (2002) paper no. HI-02-18-2
9. Crowther H., and Furlong J. Optimizing chillers and towers. ASHRAE Journal 46 7 (2004) 34-40
10. Lu L., Cai W., Soh Y.C., Xie L., and Li S. HVAC system optimization-condenser water loop. Energy Conversion and Management 45 (2004) 613-630
11. R.D. Graves, Thermodynamic modeling and optimization of a screw compressor chiller and cooling tower system, Msc Thesis, The Office of Graduate Studies of Texas A&M University, 2003.
12. Braun J.E., and Diderrich G.T. Near-optimal control of cooling towers for chilled water systems. ASHRAE Transaction (1990) SL-90-13-3
13. Benton D.J., Hydeman M., Bowman C.F., and Miller P. An improved cooling tower algorithm for the CoolTools™ simulation model. ASHRAE Transaction 108 1 (2002) paper no. AC-02-9-4
14. Solar Energy Laboratory. TRNSYS: A Transient System Simulation Program (Reference Manual) (2000), University of Wisconsin/Madison Press, Madison, WI
15. Yu F.W., and Chan K.T. Optimization of water-cooled chiller system with load-based speed control. Applied Energy 85 (2008) 931-950
16. Electrical, and Mechanical Services Department. Pilot Scheme for Wider Use of Fresh Water in Evaporative Cooling Towers for Energy-efficient Air Conditioning Systems (2000), Author Press, Hong Kong
17. Air-Conditioning & Refrigeration Institute. Standard 550/590: Performance Rating of Water Chilling Packages Using the Vapor Compression Cycle (2003), Author Press, Arlington, Virginia