目录中文摘要..............................................................1英文摘要..............................................................21引言...............................................................32交流电机绕组槽号相位图的基本理论...................................42.1槽磁势矢量图...................................................42.2槽号相位图.....................................................42.2.1槽号相位图的意义..........................................52.2.2槽号相位图的画法..........................................52.2.3用槽号相位图分析三相磁势..................................63电机绕组磁势的谐波分析.............................................73.1一个相绕组的磁势谐波分析.......................................73.2绕组系数的特征.................................................83.2.1槽口系数..................................................83.2.2短距系数..................................................93.2.3分布系数.................................................104反向变极法........................................................114.1一般反向变极法的变极步骤......................................114.2各段间的连接法和对称条件......................................114.3用常规反向变极法设计的10/12极同步变极电机....................13510/12极同步变极电机的设计.........................................175.1一种新的凸极同步电机转子变极的设计方法........................175.210/12极凸极同步电机转子变极的设计.............................195.2.1密槽系数k=4时的设计.....................................195.2.2密槽系数k=5时的设计.....................................236绕组谐波分析比较..................................................28结论.................................................................30谢辞.................................................................31参考文献.............................................................321中小型同步发电机的电磁方案设计系统摘要：使用一种新的变极电机绕组的设计方法，设计一台10/12极同步变极电机。此方法在已有常规反向变极法的基础上加以改进，通过绕组磁势谐波分析，确定该方法较常规反向变极法在变后极有更高的绕组系数。虽然变前极的绕组系数有所降低，但就两种极数平衡来看，仍然是可以接受的。本文首先阐述了交流电机绕组的基本理论，说明了用槽号相位图分析绕组磁势的一般方法，以及绕组系数和磁势谐波分析的相关概念。随后对常规反向变极法进行了分析说明，并设计出10/12极同步变极电机，以此来说明常规反向变极法存在的缺陷。而后着重阐述了变极绕组设计的新方法，并与常规反向变极法进行了比较，通过转子绕组谐波分析得出最终结论。关键词：同步变极电机；相位槽号图；变极绕组；虚拟槽；绕组谐波分析2TheElectromagneticDesignSystemofSmallandMedium-sizedSynchronousGeneratorAbstract：Thisarticleusesanewwindingdesignmethodtodesigna10/12polechange-polesynchronousmotor.Thismethodisbasedontheexistingconventionalreversepole-changingmethodandevolvedbyit.Byanalyzingthemagneticpotentialharmonicofwinding,itcanbedeterminedthatthismethodcangetahigherwindingfactorthanthemethodofconventionalreversepole-changing.Thewindingfactorbeforepole-changingisdecreased,butontheviewofthebalanceoftwopoles,itstillcanbeaccepted.ThispaperfirstdescribesthebasictheoryoftheACmotorwindings,illustratesthegeneralmethodofanalysisofthepotentialofwindingmagneticbyusingphasediagramoftheslotnumber,andtheconceptofthewindingfactorandharmonicanalysisofmagneticpotential.Subsequenttheanalysisshowsthat...
