电源电压

Together, the wide supply range, wide bandwidth and uncompromised accuracy make the LT2940 a complete versatile power monitoring solution.

集合宽广供应电压范围、宽带及优异的精准度，使LT2940成为一完整的多元化电源监控解决方案。

Except as described in 12.4.1.3, an insulated conductor of one circuit shall be separated or segregated from any uninsulated live part of a different circuit.

12.4.1.1除非提出了额定的最高绝缘电压，电路中绝缘导体同电源的分断用挡板断开或分离，除了12.4.1.3中所述的情况外，电路的绝缘导体应与不同电路的活动导体分离或断开。

In this paper,The necessity of frequency tracking in ultrasonic cleaning equipmens is discussed.Based on a introduction on the principle of the mian circuit of the ultrasonic power supply for cleaning equipmens and the principle of PLL ,the output frequency of 74HC4046 is changed by a singlechip measuring the phase difference between volage and current.

本文讨论了超声波清洗机中自动频率跟踪的必要性，在介绍超声波清洗机的主电路原理、PLL锁相环原理的基础上，利用单片机检测超声电源负载的电流、电压的相位差，来改变74HC4046 的输出频率，完成了变步长频率跟踪软件设计。

In this paper,the necessity of frequency tracking in ultrasonic cleaning equipmens is discussed.Based on introduction on the principle of the mian circuit of the ultrasonic power supply for cleaning equipmens and the principle of PLL,the output frequency of 74HC4046 is changed by a single chip measuring the phase difference between volage and current.The software of adaptive tracking technique with varied frequency steps is completed.

讨论了超声波清洗机中自动频率跟踪的必要性，在介绍超声波清洗机的主电路原理、PLL锁相环原理的基础上，利用单片机检测超声电源负载的电流、电压的相位差，从而改变74HC4046 的输出频率，完成了变步长频率跟踪软件设计。

The reason that HA granules bring positive charge in absolute alcohol may be related tosurface absorption or association reaction with 〓; EPD includes two process, that iselectrophoresis and deposition, wanting to make EPD go with a swing, a critical voltagevalue Vc between two electrodes must be reached. The edge effect affecting EPD can beweakened through introducing pulse direct-current main.

HA颗粒在无水乙醇中带正电的原因可能与其表面吸附或缔合〓有关；EPD包括电泳和沉积两个过程，要使EPD能顺利进行，两极间电压必须达到一临界值Vc；采用脉冲直流电源可削弱边缘效应对沉积的影响。

The resonant charge scheme is studied to overcome the low efficiency and low repetition rate caused by the resistor ballasted voltage source capacitor charging power supply.

为解决现有高压直流电压源电阻镇流充电方式效率低、重复率低的缺陷，实验研究了谐振充电电源电路。

The PWM chip SG3525 with stable performance is used to adjust regulators and MCU 51 is adopted to set the output voltage. The double-push-pull merle based on MOS structures is choused for power amplifier, which simplifies the driving circuit, improves power supply efficiency.

采用性能稳定常用的PWM芯片SG3525进行反馈调整稳压，并通过51单片机设定输出电压，功放电路采用MOS管搭建的双端推挽方式，简化了驱动电路，提高了电源效率。

From several aspects such as grounding,preventing induced voltage and discharge counterattacking,safety distance and insulated isolation,power source linkage and access control,fire control channel and equipments,safety illumination,the questions and measures should be noticed in designing of safety system in high-voltage te...

从接地、防止感应电压和放电反击、安全距离和绝缘隔离、电源联锁和门禁系统、消防通道和消防设施以及安全照明等方面，详细叙述了高压试验厅安全系统设计中需要注意的问题和应采取的相应措施。

Our Alpha Power Supply completely decouples the motor from your wall voltage, making the Acoustic-Signature turntable invulnerable to AC power fluctuations.

我们的阿尔法电源完全地分离马达从您的墙壁电压，使音响署名转盘不能伤害到交流电能波动。

By applying this approach, the reactive power sources can be allocated most reasonably,reactive compensatio n balances in every zone.

经过仿真计算比较，该方法可找到电力系统无功电源的最佳配置地点，并对提高电力系统的电压稳定性有很好的效果。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷