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The primary energy saving ratio and cost saving ratio can reach 0.304 and 0.417, respectively.
The indicators, including primary energy saving ratio (PES), primary installed capital cost saving ratio (PIS), primary cost saving ratio (PCS), waste emission avoidance ratio (EmR) and CO2 avoidance cost (CostA), can be obtained through calculations via a simulation software or industrial data.
This paper develops a multi-objective optimal model of the new integrated system based on the comprehensive indicators, i.e. primary energy saving ratio, CO2 emission reduction ratio and annual expense saving ratio.
Finally we propose an exergoeconomy-based life cycle optimization approach that seeks to maximize the primary exergy saving ratio (PES), primary total overnight cost saving ratio (POS), life cycle waste emissions avoidance ratio (EmA) and primary levelized cost saving ratio (LCS) by comparing their reference stand-alone sub-systems, respectively.
Energy saving ratio is selected as the evaluation criteria.
Figure 8 shows the cost saving ratio of four configuration schemes.
Similar(5)
A comparison between the CCHP systems and traditional systems was carried out in [10], in terms of the energy-saving ratio and the cost-saving ratio.
Figure 9 BS energy-saving ratio with variation of time interval for scheduling trains.
Figure 10 BS energy-saving ratio with variation in train speed.
Figure 10 shows that a higher train speed brings about a higher BS energy-saving ratio, because trains passed through a group in a shorter period of time.
The BS energy-saving ratio cannot reach the amount of BS power saving because the cells along the railway are not always in a passive state.
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