| 1. | General requirements for rotating electrical machines - specification for voltage regulation and parallel operation of a . c . synchronous generators
旋转电机一般要求.第140部分:交流同步发电机电压调节和并联运行规范 |
| 2. | However , there still lie many difficulties in start of besm because of some special structure , which leads to no filed current available in stand still
但由于其自身结构的原因，电磁式无刷交流同步电机起动存在着许多困难。 |
| 3. | At first , a method for modeling of besm hi the matlab environment is presented , which is also suitable for other mixed model system
首先，提出了在matalab环境中建立电磁式无刷交流同步电机混合模型的方法，并可适用于各种机电混合系统的建模。 |
| 4. | The theoretical analysis and simulation results proved that the observer - based acceleration feedback position servo control system is most suitable for the controlling of the pmlsm
理论分析和仿真实验证明，此控制系统适于永磁交流同步直线电机的控制。 |
| 5. | From the basic operation principles of the permanent magnet brushless dc motor , using the same method as the synchoronous , this paper deduced it mathematical model
本文从永磁无刷直流电动机的基本工作原理出发，利用交流同步电机分析方法，推导了其数学模型。 |
| 6. | After that , a modified direct torque control ( dtc ) scheme is discussed , to overcome the control difficulties come with the characteristic of low armature inductance
随后，又针对电磁式无刷交流同步电机电枢电感小的特点，分析讨论了改进型的直接转矩控制方案，以克服由此造成的一系列控制上的困难。 |
| 7. | The position servo control system should be studied to improve the performance of the permanent magnet linear synchronous motor ( pmlsm ) which is usually running under bad conditions
分析了永磁交流同步直线电机的数学模型和控制要求，对4种典型的位置控制器进行了比较研究，对扰动观测器的结构进行了改进和参数调整。 |
| 8. | It will be a competitive scheme as start / generator system , if brushless electro - magnetic synchronous machine ( besm ) can succeed in start the engine of the aircraft , because the wide application of besm as generator hi aircrafts will definitely decrease the risk and cost of research and development
电磁式无刷交流同步电机在飞机电源系统中得到的广泛的应用，如能在其基础上实现起动发电系统，则有助于减低研究风险和开发成本，是一个很有竞争力的方案。 |
