| 1. | Variable speed constant frequency 变速恒频 |
| 2. | Closed - loop control of matrix converter used for variable speed constant frequency supply system 矩阵变换器在永磁交流伺服系统中的应用研究 |
| 3. | Sliding mode control during variable speed constant frequency doubly - fed wind generator no - load connecting electric grid 变速恒频双馈风力发电机空载并网滑模控制 |
| 4. | Speed mode control of variable - speed constant - frequency wind energy generation system with double fed induction generator 变速恒频双馈风力发电系统的速度模式控制 |
| 5. | The thesis is about the work around the centerpiece of varying speed constant frequency wind power generation unit 本文围绕变速恒频风力发电系统这个主题,进行了以下几方面的研究工作。 |
| 6. | Variable - speed constant - frequency ( vscf ) operation is a new high efficient technology for power generation , which has a good future in the field of wind power generating 变速恒频发电技术是一种新型高效的发电技术,在风力发电领域有着良好的应用前景。 |
| 7. | The feasibility and superiority for the disc - type permanent - magnet synchronous generator used in the direct - dirve variable - speed constant - frequency generator applications is explained 解释了将盘式永磁同步发电机应用于直驱式风力发电系统的可行性和优越性。 |
| 8. | By use of electronic inverter , variable speed constant frequency ( vscf ) electrical generating system converts variable frequency ac power from generator to constant frequency ac power 变速恒频电源系统是通过电子变换器将发电机输出的变频交流电转换成为飞机用电设备所需的恒频交流电。 |
| 9. | The wind power generation technology also become research hotspot of many country ’ s scholar . and the direct - drive variable - speed constant - frequency ( vscf ) generation technology is paid attention to more and more for its high efficiency and practicability 它具有结构紧凑、通风效果好、转动惯量大和高效率等的特点,比较适用于直驱式的变速恒频的风力发电系统中。 |
| 10. | The paper studies the pitch - regulated structure and stand - alone control system about mw wind turbine group . the background of the paper is " mw variable - speed constant - frequency wind turbine group ( no . 2001aa512022 ) " , which is supported by national 863 plan 本文以国家863计划《兆瓦级变速恒频风电机组》 (课题编号: 2001aa512022 )为背景,主要研究了兆瓦级风电机组的变桨距机构及其单机控制系统。 |