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Unusual ASD Motor Conversions in a Carpet Yarn Plant

机译:地毯纱厂中异常的ASD电机转换

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Most past experiments with adjustable speed drive (ASD) conversions have concentratedrnon centrifugal loads such as pumps and fans. A recent plant-wide assessment conductedrnat a carpet yarn extrusion plant investigated two unique ASD conversions, one centrifugalrnand one linear load. The centrifugal load considered was a DC drive on a plasticrnextruder, and the linear load was a yarn twister. Before and after power measurementsrnwere recorded to determine the savings from ASD conversion. The results indicate thatrnadjustable speed AC drives can be justified in a low cost electricity region on an existingrnvariable speed DC drive and on a constant speed linear load if savings other than energyrnare considered in the analysis.
机译:过去大多数采用变速驱动(ASD)转换的实验都采用集中式非离心负载,例如泵和风扇。最近在地毯纱线挤出厂进行的全厂范围评估研究了两种独特的ASD转换,一种离心负荷和一种线性负荷。所考虑的离心负载是塑料挤出机上的直流驱动器,而线性负载是加捻器。记录功率测量前后,以确定ASD转换节省的成本。结果表明,如果在分析中考虑能源以外的节省,那么在现有的变速直流驱动器和恒速线性负载的低成本电力区域中,可调速交流驱动器是合理的。

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