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《Journal of Liaoning Institute of Technology》 1994-01
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Optimization Analysis of Copper iron Weight Ratio of a Transformer

Wang Dejing; Zhang Min; Su Wancai  
Having analysed a traditional conclusion that when copper cost and iron cost of a transformer are equal, the total cost is lowest, the authors obtain the conditions ensuring the traditional conclusion tenable and present the concepts of equivalent current density, lowest cost, surplus cost and relative surplus cost, and their quantitative calculation formulae, thereby perfecting this traditional conclusion theoretically and further improving its scientific character in application.
【CateGory Index】: TM401.1
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