| 1. | Research on zero - voltage - switched simmering circuit
零电压开关预燃电源的研究 |
| 2. | It has very important research worth in this thesis , the ps - fb - zvs pwm dc / dc converter with a saturable inductor is deeply studied in detail
论文对带饱和电感的移相控制零电压开关全桥变换器进行了深入的研究。 |
| 3. | The realization of shift - phase pwm control with zero - voltage and high speed , large power drive circuit is emphatically solved
重点解决了零电压开关的移相pwm控制策略的实现、高速大功率驱动电路的实现等几个难点问题。 |
| 4. | However , these converters become more complicate . phase - shift bi - directional dc - dc converter is attractive since it operates with fixed frequency , has small voltage and current stress and can realize zvs without auxiliary switches
相移控制双向dc - dc功率变换器因具有功率器件电压,电流应力小,定频工作和无须增加辅助器件即可实现功率器件的零电压开关条件等优点而受到关注。 |
| 5. | 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。 |
| 6. | Phase - shifted zero - voltage - switching pwm full bridge converter can realize zvs for the power switches with the use of the leakage inductance of the transformer and the intrinsic capacitors of the power switches , so it is used widely for medium and high power applications
移相控制零电压开关pwm全桥变换器利用变压器的漏感和开关管的结电容可以实现开关管的零电压开关，在中大功率的场合应用广泛。 |
| 7. | Compared with phase - shift control , pwm plus phase - shift control can reduce the current stresses and rms currents of the converter . the loss of the converter can also decrease . lt is proved the converter can achieve zvs in larger load variation
与常规相移控制方式相比， pwm加相移控制方式能减小变换器的电流应力，减小通态损耗，同时也能拓宽零电压开关的范围，使变换器在较宽的负载变化范围内都能实现软开关。 |
| 8. | In this thesis , the tradition phase - shift full - bridge zvs dc / dc converter are analyzed , and then a new dc / dc full - bridge converter employing switches clamping in secondary side of transformer is proposed , and the converter employing saturable inductor clamping are studied , and zvs ( zero - voltage - switching ) can be easily achieve by experiment validate
本文分析了一些传统的移相全桥软开关变换器，提出了开关管箝位dc dc全桥变换器拓扑方案，并对饱和电感器箝位dc dc全桥变换器进行了研究，并进行实验验证，从而解决了开关管的零电压开关问题。 |
| 9. | Buck zvs - mr - tl converter is taken as the examples to illustrate the operation of the zvs - mr - tl converters . the operation of buck zvs - mr - tl converter is analyzed as well as parameter design , realization of pulse - frequency - modulation ( pfm ) interleaved control and comparison between zvs - mr converters and zvs - mr - tl converters . a 1000w prototype converter is built in the lab to verify the effectiveness of the proposed converter
本文以buck零电压开关多谐振三电平变换器为例，详细分析了它的工作原理、参数设计、脉频调制交错控制的实现、与常规的多谐振变换器的对比，并以一个1000w的原理样机对该变换器进行实验验证。 |
| 10. | Among them , phase shifted ( ps ) full bridge ( fb ) zero - voltage - switched ( zvs ) pulse - width - modulated ( pwm ) dc / dc converter has strong competitive power in big power capacity fields . but it has some limitations such as smaller load range with zvs and larger circulation energy . the ps - fb - zvs - pwm dc / dc converter with a saturable inductor utilizes saturable inductor s critical saturable current characteristic and storage energy , to enlarge load range with zvs and improve output efficiency under light load
其中，移相控制零电压开关脉宽调制dc / dc全桥变换器在大容量领域很有竞争力，但它具有实现零电压开关负载范围小，循环能量大等限制，带饱和电感的移相控制零电压开关全桥变换器利用饱和电感的临界饱和电流特性及储能，来扩大零电压开关( zvs )的负载范围，提高轻载时的输出效率，具有非常重要的研究价值。 |
