介绍的新型CUK型变换器，旨在实现一种高效、低成本、输出电压纹波极低的负偏压设计方案。
The newly CUK controller realizes a kind of high efficiency, low cost and very low output voltage ripple negative bias voltage design.
试验结果表明，这种变换器具有电路拓扑简单、功率密度高、变换效率高、功率因数高、不间断供电、成本低等优点。
Test results demonstrated that the converter has the advantages of simple topology, high power density, high conversion efficiency, high power factor, uninterruptible power supply, low cost.
利用钢铁厂平炉尘制备中温变换催化剂，制备成本低，工艺简单，活性达到部颁标准，具有明显的经济效益。
With the action of some bivalent cation, high temperature shift catalyst has been prepared by mixture precipitation method using open-hearth dust as a raw material.
本发明提供一种可多通道同时探测、高能量输入、结构简单、成本低、使用方式灵活、设备体积小、重量轻的基于阿达玛变换编码的高分辨率光学遥感载荷系统。
The system has the advantages of simultaneous detection of multiple channels, high energy input, simple structure, low cost, flexible use mode, small equipment volume and light weight.
本实用新型的结构简单，制作成本较低，使用者可以按照自己的喜好变换层面的色彩和形式。
The utility model has simple structure, low manufacturing cost. The users can change the colors and forms of the layers according to personal fancy.
本发明所设计的波形变换方法及其装置，省去了中间直流环节，使线路得以大大简化，显著降低了成本，同时使电压、电流谐波得以减小，并可获得较高的功率因数。
The present invention has no intermediate DC link and thus simplified circuit, low cost, less harmonic component in the voltage anc current waveform and high power factor.
RCD复位不对称双管正激变换器性能相对最差，结构最简单，成本最低。
Performance of RCD reset asymmetrical dual-switch forward converter is the lowest, the configuration is the simplest and the cost is the lowest.
但是有源软开关技术因为有辅助开关管的引入，控制电路比较复杂，增加的额外元器件较多，变换器成本增加。
Because of introduction of the additional switch, the control circuit of the converter becomes complex and the amount of the added parts and cost increases.
结果表明，有源箝位不对称双管正激变换器性能最佳，结构最复杂，成本最高。
Results show that performance of active-clamped asymmetrical dual-switch forward converter is the highest, the configuration is the most complex and the cost is the highest.
随着电力电子器件成本下降，拥有全功率变换器的永磁直驱风机成为各国关注热点。
As the cost of power electronics falls down, the permanent magnetic synchronous generator (PMSG) with fully-rated converters has become a hot issue.
它缺乏新闻集团的捆绑销售的专业知识，也比列别捷夫的家族配备的成本要高。几年前报纸还趋于先进水平，如今却亟需新策略，这大概就是如今事物极速变换的一种表现了。
It is a measure of how quickly things are moving that the newspaper closest to the cutting edge a few years ago now seems most in need of a new strategy.
它缺乏新闻集团的捆绑销售的专业知识，也比列别捷夫的家族配备的成本要高。几年前报纸还趋于先进水平，如今却亟需新策略，这大概就是如今事物极速变换的一种表现了。
It is a measure of how quickly things are moving that the newspaper closest to the cutting edge a few years ago now seems most in need of a new strategy.
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