| 1. | Ac - dc - ac intelligent frequency converted speed control system for mine hoist 交智能变频调速系统 |
| 2. | Control strategy of multi - drive system based on ac - dc - ac matrix converter 交型矩阵变换器的多驱动系统的控制策略 |
| 3. | Simulation research on ac - dc - ac frequency conversion timing control system with high - power 交变频调速控制系统的仿真研究 |
| 4. | Main circuit adopts the ac - dc - ac structure and uses ipm ( intelligent power module ) as main switch 主电路采用交?直?交电压源型变频器,功率器件采用智能功率模块ipm 。 |
| 5. | Second , the construction of ac - dc - ac locomotive emulation system , which contains introduction of main constitutional models , specific implement of special models , etc 包括该仿真系统的主要构成模块介绍、特殊模块的具体实现等。 |
| 6. | Comparing with the ac - dc - ac converter , the commutation process of a matrix converter ( mc ) is more complicated due to having no natural free - wheeling paths 摘要由于矩阵变换器( mc )电路没有续流路径,它的换流过程比交直交变换器更为复杂。 |
| 7. | According to the study of frequency - conversion technology , it is available to convert the speed of asynchronism motor , adopting ac - dc - ac transducer , realizing to convert the speed 通过对变频调速技术的研究,利用变频技术对异步电动机进行调速是可行的。 |
| 8. | Variable speed wind power dfig - based generation system is connected to power grid via an electrical conversion system that is basically an ac - dc - ac electrical power converter , which operates at rotor side withfrequency 双馈电机变速恒频发电系统通过一个电能变换器与电网相连,这个电能变换器通常采用ac - dc - ac变换器。 |
| 9. | The ac - dc - ac voltage source inverter ( vsi ) main circuit and tms320f240 are selected to form high performance alternating current ( ac ) adjusting - speed system in this dissertation after detail schemes argumentation 本论文在详细方案论证的基础上选择了交?直?交电压型主电路和数字信号处理器tms320f240构成交流调速系统。 |
| 10. | The ac - dc - ac voltage source inverter ( vsi ) main circuit and tms320lf2407 are selected to form high performance alternating current ( ac ) excitation system of asg in this dissertation after detail schemes argumentation 本论文在详细方案论证的基础上选择了交直交电压型主电路和数字信号处理器tms320lf2407构成高性能的异步化同步发电机交流励磁系统。 |