Some cutting-edge photovoltaic cells offer an even higher initial efficiency but fall behind when the DC power they produce is converted to grid-ready alternating current.
一些先进的光伏电池甚至可以提供更高的效率，但是由于要把直流电源转化为交流电，转换效率有所降低。
A new type of DC switch power which is possessed a DC voltage input and three DC voltage output, and is able to reach higher efficiency has been introduced in this paper.
本文介绍一种新型的直流开关电源，该电源是一种直流电压输入，三种直流电压输出，并能够达到相当高的效率。
In the case of repetition mode of the pulse power supply, Fast charging circuit is designed to enhance the stabilize and charging efficiency of the DC power supply.
为满足脉冲电源重复频率运行时直流电源的稳压性问题，设计了晶闸管快速充电自停自补单元，同时也提高了整个电源系统的效率。
These converters perform from positive to positive and negative DC DC voltage increasing conversion with high power density, high efficiency and cheap topology in simple structure.
该变换器完成从正电压至正和负电压的DC- DC升压变换，功率密度和效率高，拓扑结构简单价廉。
It adjusts some technical parameters, such as the output DC voltage adjustable range, efficiency and power factor, wide band noise voltage, static regulation value.
调整了直流输出电压可调节范围、效率与功率因数、宽频杂音电压、稳压精度等指标。
High frequency switching power supply adopting soft switching technology, which has reliable high efficiency and long use time performances becomes the important part of DC power system.
基于软开关技术的高频开关电源因其性能可靠、效率高、寿命长等优点，成为了现代电力操作电源系统中的重要组成部分。
With chopping principle, switching power supply is chosen as the DC power supply because of its small size, low weight and high efficiency.
论文采用直流斩波原理，利用体积小、重量轻、效率高、可靠性好的开关电源作为直流供电电源。
All the switches are ZVS in the DC transformer, so the efficiency of the DC transformer and the power density are all high.
此外直流变压器还具有易于实现ZVS开关、功率密度高等优点。
It enables the use of very low DC resistance (DCR) power inductors (0.3m?) by enhancing the SNR of the current sense signal to maximise converter efficiency and increase power density.
它允许使用非常低的直流电阻(DCR)功率电感(0.3米？)通过增强电流检测信号的SNR最大化变换器效率和增加功率密度。
Since the effect of parasitic elements limits the output voltage and power transfer efficiency of DC-DC converters, voltage lift technique opens a good way to improve circuit characteristics.
受寄生元件的影响，DC - DC升压变换器的输出电压和功率传递效率受到限制，电压举升技术为改善电路特性提供了好方法。
Because of the effect of parasitic elements the output voltage and power transfer efficiency of DC-DC converters are limited.
由于寄生参数的影响，DC - DC升压变换器的输出电压和功率传递效率受到限制。
AT89S52 as a display module to control the core of achieving power amplifier output power, DC power supply of power and machine efficiency, for display.
AT 89s52作为显示模块的控制核心，实现功率放大器输出功率、直流电源的供给功率和整机效率功能的显示。
It can provide all kinds of ac, dc power, and is convenient for the test to check switch equipment is normal or not, improve work efficiency.
它能提供各种交、直流电源，便于对开关柜的检测，以检查设备正常与否，提高工作效率。
High power PM DC motor has many advantages, such as high efficiency and small volume.
大功率永磁直流电机具有效率高、体积小等许多优点。
The author introduces a solar energy transformerless colour TV power supply, i. e, high efficiency DC/AC converter.
介绍了一种太阳能无变压器式彩电电源，即高效率的DC/AC变换器。
Abstract: Under the same working condition, the volt ampere characteristic curve and the dust removal efficiency of the pulse power supply and DC power supply are determined.
摘要：在同工况条件下，测定了脉冲供电和直流供电的伏安特性曲线和除尘效率。
The H2S removal efficiency and power utilization efficiency were compared in the cases of negatively pulsed voltage, positively pulsed voltage and DC voltage.
对负脉冲供电、正脉冲供电和直流供电情况下，H2S消除效率及能量利用率进行了比较。
In this thesis, the operational principle, design approach and system characterization are presented in detail, and a higher efficiency and lower power AC-DC power management chip is designed.
作者对开关电源的工作原理，设计思想和系统性能做了详细的分析，设计了一款高效率、低功耗的AC - DC开关电源芯片。
Among them, switched capacitor DC-DC converters have got wide applications in portable products and small and medium-power areas due to their high efficiency, small EMI and small size.
在这三者中，开关电容变换器以其高效率，EMI小，体积小的特点在便携式产品和中小功率应用场合得到了广泛的应用。
In this situation, to design high efficiency DC-DC switching power supply chip is valuable in the view of both economy and research.
在这样的前提下，设计开发高效率、小体积的DC - DC开关电源芯片，无论是从经济角度，还是从科学研究上来讲是很有价值的。
In this situation, to design high efficiency DC-DC switching power supply chip is valuable in the view of both economy and research.
在这样的前提下，设计开发高效率、小体积的DC - DC开关电源芯片，无论是从经济角度，还是从科学研究上来讲是很有价值的。
应用推荐