THDF118/56 600MW汽轮发电机转子槽分度数的探讨

Shanghai Medium and Large Electrical Machines(2009)

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Abstract
汽轮发电机转子的线槽数Z2和槽分度数Z2′之比值r一般都取0.7左右,使转子磁场高次谐波在定子表面产生的附加损耗达到最低值。THDF118/56 600MW汽轮发电机转子的线槽数与槽分度数的比值r=32/54=0.593,较大地偏离了典型的设计值。该文从THDF118/56 600MW汽轮发电机转子槽分度的变化,计算对气隙磁场波形、励磁电流和损耗等的影响,供设计选型参考。
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