介绍了环氧树脂浇注干式变压器无填料绕组浇注的工艺特点、材料的选择和配方设计，提出了浇注过程中应注意的事项。
The formulation design, processing characteristic and material choice of winding without filling in epoxy resin cast dry-type transformer are introduced. The warnings in cast process are presented.
在整步和二分之一步方式下，此驱动器还可在电机静止的时候选择将电机绕组电流减小。
The driver can chooses to reduce or not reduce the motor winding's current if the driver runs in full step and half step modes.
接着从对称性、力波阶数等角度研究了SR 电机相数及绕组连接方式、极数、并联支路数的选择问题。
Then the selections of phase number, winding connection, pole number and number of branches in parallel are optimized according to the SRM's symmetry and order of force wave.
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