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Effects of toothless stator design on dynamic model parameters of permanent magnet generators

机译：无齿定子设计对永磁发电机动态模型参数的影响

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摘要

The effects of toothless stator design on the dynamic model parameters of permanent magnet (PM) generators are presented. These parameters, which include inductances and induced back EMFs, are determined for a 75 kVA, 208 V, 400 Hz, two-pole, permanent magnet generator. Two particular stator designs, a toothless stator, and a conventional type stator (with iron teeth), are considered. The method which is used to determine these parameters is general in nature and is based on the use of a series of magnetic field solutions. A validation of the computed EMF and inductance values based on experimentally obtained data is given. The results of using these parameters in a state space model in the abc frame of reference to study the effects of a toothless stator design on the PM generator synchronous inductances are presented. Based on that, it is demonstrated that the effects of rotor saliency and armature loading on the machine parameters are minimized in the case of the toothless design.
机译：提出了无齿定子设计对永磁（PM）发电机动态模型参数的影响。对于75 kVA，208 V，400 Hz，两极，永磁发电机，这些参数（包括电感和感应反电动势）是确定的。考虑了两种特殊的定子设计，即无齿定子和常规类型的定子（带铁齿）。用于确定这些参数的方法本质上是通用的，并且基于一系列磁场解决方案的使用。根据实验获得的数据对计算出的EMF和电感值进行了验证。给出了在abc参照系的状态空间模型中使用这些参数来研究无齿定子设计对PM发电机同步电感的影响的结果。基于此，可以证明，在无齿设计的情况下，转子凸极和电枢负载对电机参数的影响最小。

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