| 1. | Though her emotions were in full vigour, she cared for no meaner union . 她的感情虽然正激旺,而她却不肯作低于那样标准的结合。 |
| 2. | Design of double forward passive lossless snubber circuit 双管正激无源无损缓冲电路的设计 |
| 3. | Based on comparison of different dc / dc converter , push - pull forward converter ( ppf ) is selected as main system prototype 在比较多种常用拓扑的优缺点后,本文选用推挽正激电路作为主电路拓扑。 |
| 4. | On the base of the research result mentioned above , a novel three - phase combined asi is proposed hi this paper , which is made up by three single - phase asi 在以上对单相逆变器研究工作的基础上,进一步研究了正激直流环节三相组合式软开关逆变器。 |
| 5. | Current sources of 20a / 25v and 50a / 25v are designed using the parallel two - transistor forward dc / dc converter . the output current can be modulated to a certain extent 采用双管正激交错并联结构,设计了20a 25v 、 50a 25v输出电流连续地可调的恒流源。 |
| 6. | The thesis focused on the dc link topology of the modulariation aviation static converter . first , the push - pull converter is developed . then , the principle of push - pull forward converter is analyzed in detail 本文主要针对模板化航空静止变流器直流环节进行研究,研究了推挽、推挽正激和隔离型boost三种电路方案。 |
| 7. | As for the choice of the circuit ' s topology , the pfc stage is adopted boost structure and the pwm stage is adopted two transistors forward after several sorts of advantages and deficiencies of circuit ' s topology are compared 在电路拓扑的选择上,比较了各种电路拓扑的优缺点,最后选定前级pfc电路采用boost结构,后级采用双管正激电路。 |
| 8. | Then novel circuit structure and circuit topologies family of voltage mode ( based on forward converter ) and current mode ( based on flyback converter ) ac - ac mode ac / ac converters with high frequency link , are proposed 本文提出了基于正激forward变换器的电压源型和基于反激flyback变换器的电流源型交?交型高频环节ac ac变换器电路结构与拓扑族。 |
| 9. | This conclusion is useful to optimize the converter . then it is proposed that the effects of retraining bias - magnetic and reducing the voltage stress of mosfet should be both considered in selecting the clamping capacitance 本文提出对于推挽正激的关键参数? ?箝位电容的选取要综合考虑对偏磁的抑制作用和对功率管尖峰的抑制作用,并给出了选取方法。 |
| 10. | The characteristic of those topologies are analyzed in detail . a novel isolated interleaving two - transistor forward boost converter is proposed in this paper . this converter has less voltage stress of power switches , and no transformer magnetic deviation 研究一种新颖的隔离boost变换器,它具有开关管电压应力低,没有变压器单向磁饱和问题,可以实现交错并联双管正激电路所有开关管零电压开关。 |