Design Operability and Retrofit Analysis (DORA) framework for energy systems

Viknesh Andiappan, Denny K.S. Ng and Raymond R. Tan

Energy, 2017, vol. 134, issue C, 1038-1052

Abstract: A systematic framework for Design Operability and Retrofit Analysis (DORA) is presented. DORA is a framework explicitly analyzing energy system design containing process units functioning at different levels of operability. To express the operability of individual process units, DORA uses inoperability input-output modeling (IIM) approach. Based on IIM, a simple mixed integer linear programming (MILP) model is developed to analyze the impact of individual process unit inoperability on the flexibility of an energy system design. In the case where a design is deemed to possess insufficient flexibility to meet demands, DORA framework subsequently entails a step-by-step guide to debottleneck and retrofit a given design based on benefit-cost ratio (BCR). In this work, the DORA framework is demonstrated using a biomass-based tri-generation system (BTS) case study. As shown in the case study, DORA framework is used to determine whether a BTS facing a drop in individual unit efficiency, would require debottlenecking and retrofitting to increase its energy production.

Keywords: Design Operability and Retrofit Analysis; Feasible operating range analysis; Disruption Scenario Analysis; Inoperability input-output modeling, Biomass-based tri-generation (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (8)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:134:y:2017:i:c:p:1038-1052

DOI: 10.1016/j.energy.2017.06.054

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