Optimal chiller sequencing by branch and bound method for saving energy

This paper proposes a method for using the branch and bound (B&B) method to solve the optimal chiller sequencing (OCS) problem and to eliminate the deficiencies of conventional methods. The coefficient of performance (COP) of the chiller is adopted as the objective function because it is concave...

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Bibliographic Details
Published inEnergy conversion and management Vol. 46; no. 13; pp. 2158 - 2172
Main Authors Chang, Yung-Chung, Lin, Fu-Ann, Lin, Chin Huang
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.08.2005
Subjects
Branch and bound method
Direct load control
Lagrangian method
Optimal chiller loading
Optimal chiller sequencing
Direct load control
Branch and bound method
Optimal chiller sequencing
Lagrangian method
Optimal chiller loading
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Summary:This paper proposes a method for using the branch and bound (B&B) method to solve the optimal chiller sequencing (OCS) problem and to eliminate the deficiencies of conventional methods. The coefficient of performance (COP) of the chiller is adopted as the objective function because it is concave. The Lagrangian method determines the optimal chiller loading (OCL) in each feasible state. The potential performance of the proposed method is examined with reference to an example system. The proposed method consumes much less power than the conventional method and is very appropriate for application in air conditioning systems.
ISSN:0196-8904
1879-2227
DOI:10.1016/j.enconman.2004.10.012