1、

SPWM modulation is the important way to improve the invert power supply voltage efficiency and reduce the harmonic component.

SPWM调制是提高逆变电源电压利用率和减少谐波分量的重要方法。

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2、

In consideration of thermochemical method in demulsification of high water-content crude oil, the influences of temperature and quantity of demulsifier on the demulsification efficiency and demulsification velocity were investigated. Study on Demulsification Rate Under High Voltage Electric Field

针对高含水原油破乳中广泛采用的热化学法,试验研究了加热温度、加入破乳剂量对破乳效果和破乳速率的影响。水/油型乳液的高压电破乳速率的研究

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3、

Synchronous Rectifiers Improve Efficiency in Low Output Voltage Forward Converters International Rectifier

同步整流器提高低输出电压正激变换器的效率

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4、

In the full-bridge thyristor shunt-wound inversion power supply, the efficiency of heating smaller forgings limited by the working frequency is low because of the high output voltage, the long induction coil, and the great noise.

由于全桥晶闸管并联逆变电源的输出电压高,感应圈长,噪声大,受工作频率限制,加热中小锻件的效率低。

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5、

The equations of the desulfurization efficiency and rate of flue gas, discharge voltage, reaction enhancement factor and film thickness were established.

导出了烟气脱硫率与放电电压、化学反应增强因子以及液膜厚度的关系。

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6、

The simulation results show that the output voltage can be high to 13V over an input range of 2.5V~ 5.5V, the efficiency could be 87%. The circuit also has simple architecture, high accurate output and low power loss.

仿真结果表明,该芯片在2.5V~5.5V的输入电压范围内可以实现典型的13V输出电压,转换效率最高可达87%,具有实现电路简单、输出电压精度高、功耗低等优点。

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7、

At normal status, the actual energy efficiency was 40.5% under the voltage of 0.60 V.

在标准状态下,电池以0.60V的电压工作时,实际能量效率为40.5%。

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8、

Experimental Study of Excitation Efficiency Distribution in Low Voltage Driven Thin Film Electroluminescent Devices

低压驱动薄膜电致发光激发效率分布特性的实验研究

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9、

With the increase in discharge voltage, output energy of laser linearly increase, the corresponding slope efficiency is 0.31% and 0.32%.

激光输出能量随注入能量的升高,线性增加,斜率效率分别为0.31%和0.32%。

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10、

Micro PV inverter has the characteristics of low input voltage, high output voltage and low power level, and therefore it proposed the design requirements of high power density, high efficiency, high reliability and low cost.

微型光伏逆变器具有输入电压低、输出电压高和功率等级低等特点,因而对其提出了功率密度高、转换效率高、可靠性高和成本低等设计要求。

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11、

The efficiency of the three-phase PV inverter with two-level boost converter is discussed in detail. The impact on the efficiency is analyzed as the DC-link voltage and the interleaved multiplicity change. The simulation results are given to verify it.

重点分析了带两电平boost变换器的三相光伏逆变器的效率问题,讨论了直流母线和交错并联重数变化对效率产生的影响,最后给出了仿真验证。

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12、

At last, the DC/ DC convertor was tested and the results shows that the constant voltage effect is good and has a high efficiency.

最后对设计的电源转换器进行实际测试分析,稳压效果好,效率高。

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13、

Unfortunately, the SFC provides output voltage and current wave forms of a poor quality and consequently low torque and efficiency due to using Silicon Control Rectifier ( SCR) for the converter design, which cannot meet the requirements of the relevant state standard.

而变频启动装置由于采用可控硅(SCR)整流再逆变原理,其输出电压电流波形差,致使输出效率低、力矩小;另外,谐波分量大,不能满足国家相关标准要求。

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14、

The effects of cell voltage and original solution concentration on the removal efficiency were inspected under static condition.

试验在静态条件下研究了在不同外加电压、不同原水浓度条件下三维电极反应器处理碱性品绿染料废水的效果。

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15、

Results of the research indicated that: ( 1) Three electrode structure bringed in pulse high voltage can increase breakdown voltage and enhance the stabilization of streamer discharge, which is advantageous for production of prompt energetic particle and for increasing the removal efficiency of VOCs.

三种电极结构引入脉冲高压可以提高电极间的击穿电压,并使流光放电更加稳定,产生瞬间的高能粒子,从而提高甲苯和氯苯的脱除效率。

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16、

Based on the two charge pump, the paper proposed a novel high efficiency CMOS voltage doubter charge pump.

本文基于对当前常用电荷泵的研究,提出了一种新颖的高效率CMOS电荷泵。

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17、

Considering the demand of high efficiency to restoration reconfiguration, some parameters of distribution network are simplified, and then the voltage drop for service restoration reconfiguration in distribution network is proposed on the base of branch exchange algorithm.

考虑到恢复重构对实时性的要求,在支路算法的基础上,通过合理的是参数简化,提出了基于电压降的配电网故障恢复重构。

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18、

Under the condition of charge voltage of 23 kV and pumping energy density of 10 0 J/ cm 3, the average small signal gain coefficient of 4 99% cm-1 and energy storage efficiency of 3 0% are obtained in experiments.

在充电电压为23kV,抽运能量密度为100J/cm3的条件下,获得了平均值为499%cm-1的小信号增益系数和30%的储能效率。

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19、

Comparing with constant current-constant voltage charging mode, pluse charge technology have shorter charging time, higher charging efficiency and lower temperature increasing during the charging process.

实验表明:与传统的恒流-恒压充电技术比较,脉冲充电技术具有充电时间短,充电效率高的优点。

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20、

At present, most withstand voltage test used by manual testing. The test works not only less efficiency and dangerous, the test result determined is subjective.

而目前,大多数耐压试验采用人工手动测试,不仅工作效率低、危险性大,而且测试结果判定主观性大,急需现代化的自动测试系统,规范其测试流程,提高测试效率。

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