TOC-Based Calculation of Optimal Load Factor for Transformers with Different Energy Efficiency Grades
With the transformer technology being continuously improved,it is found that the results of the traditional calculation method for the recommended load factor for the economic operation of transformers are rather low.In this paper,the TOC method is adopted to analyze the critical load factors of transformers having the same capacity but with different energy efficiency grades throughout the full life cycle.By studying the load factor for the economic operation of transformers,a load factor calculation method is proposed to achieve the lowest operating cost for output per unit of a transformer,together with the proposal of a transformer optimal load factor distribution strategy using PSO.Finally,the load of a museum is analyzed as a suitable case.
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