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Using cooling load forecast as the optimal operation scheme for a large multi-chiller system / Yan-Yue Lu in International journal of refrigeration, Vol. 34 N° 8 (Décembre 2011) 

Public ISBD [article]  in International journal of refrigeration > Vol. 34 N° 8 (Décembre 2011) . - pp. 2050–2062 Titre : Using cooling load forecast as the optimal operation scheme for a large multi-chiller system Titre original : Utilisation de la charge thermique pour prévoir le fonctionnement optimal d'un grand système à plusieurs refroidisseurs Type de document : texte imprimé Auteurs : Yan-Yue Lu, Auteur ; Junghui Chen, Auteur ; Tzu-Chi Liu, Auteur Année de publication : 2012 Article en page(s) : pp. 2050–2062 Note générale : Génie mécanique Langues : Anglais (eng) Mots-clés : System  Chiller  Energy  savings  Modelling  Optimal  design Résumé : Energy saving is one of the most important issues in high-tech manufacturing industries, such as semiconductor and electronics, because large chilled water systems are used to satisfy big cooling load requirements. In this paper, a new optimal integrity scheme based on a two-stage strategy, including a scheduling stage and an operating stage, is proposed to minimize the system energy consumption within a future time period. Instead of a lag scheme used in the general method, a forecasting scheme consisting of a series of optimal schemes at each sub-time period is also proposed for the two-stage design. The performance of the proposed method is examined through an industrial case. The cost of the proposed method is much less than that of the conventional method, so the proposed method is cost-efficient in applications of large air-conditioning systems. ISSN : 0140-7007 En ligne : http://www.sciencedirect.com/science/article/pii/S0140700711001204 [article] Using cooling load forecast as the optimal operation scheme for a large multi-chiller system = Utilisation de la charge thermique pour prévoir le fonctionnement optimal d'un grand système à plusieurs refroidisseurs [texte imprimé] / Yan-Yue Lu, Auteur ; Junghui Chen, Auteur ; Tzu-Chi Liu, Auteur . - 2012 . - pp. 2050–2062. Génie mécanique Langues : Anglais (eng) in International journal of refrigeration > Vol. 34 N° 8 (Décembre 2011) . - pp. 2050–2062 Mots-clés : System  Chiller  Energy  savings  Modelling  Optimal  design Résumé : Energy saving is one of the most important issues in high-tech manufacturing industries, such as semiconductor and electronics, because large chilled water systems are used to satisfy big cooling load requirements. In this paper, a new optimal integrity scheme based on a two-stage strategy, including a scheduling stage and an operating stage, is proposed to minimize the system energy consumption within a future time period. Instead of a lag scheme used in the general method, a forecasting scheme consisting of a series of optimal schemes at each sub-time period is also proposed for the two-stage design. The performance of the proposed method is examined through an industrial case. The cost of the proposed method is much less than that of the conventional method, so the proposed method is cost-efficient in applications of large air-conditioning systems. ISSN : 0140-7007 En ligne : http://www.sciencedirect.com/science/article/pii/S0140700711001204