【摘要】 本文简述了三维电动机的运行原理和应用前景后，介绍了研究三维电动机电磁模型必需用到的三套三维空间坐标系，并推导出包括电压方程、磁链方程和电磁转矩表达式在内的三维电动机的电磁模型。所得结果表明，三维电动机内部复杂的电磁耦合关系是造成三维电动机难于控制的关键原因。更多还原

【Abstract】 At first, the operation principle and application prospect of three-dimensional motors(3DM) are introduced in brief. Then, three different three-dimensional space coordinate systems which are nessary for 3DM study have been developed and the 3DM electromagnetic model which includes voltage equations, flux linkage equations and electromagnetic torgue expressions have been derived. The results show that it is the complex electromagnetic coupling inside the 3DM that makes it difficult to control.更多还原