查询词典 voltage

The relationship between output voltage and capacitance in switched-capacitor DC-DC converter was investigated,and the reasons for output voltage ripple in the converter were analyzed.

研究了开关电容DC-DC变换器输出电压与电容的关系，分析了变换器输出电压波纹产生的原因。

There are some important and novel conclusions deduced: 1. The curve of resonance output vs excitation voltage shows that electrostatically excited resonator could be easily excited by low excitation voltage and could be well protected when overloaded due to the good structure design.

静电激励微谐振器谐振峰值与交流激励电压的关系曲线表明该谐振器在较低的电压激励下即可获得较大的振幅，同时该谐振器具有良好的过载保护功能，在用于精确测量时，必须保证激励电压处于该曲线的线性段。

Based on reference [1], a new index to estimate the voltage stability weakness of nodes and a method to judge the transmission line with weak voltage stability are proposed.

在文献[1]的基础上提出一种新的衡量节点电压稳定性薄弱程度的指标和一种判断电压稳定性薄弱线路的方法。

The low voltage separation models with moving grade electrical field and high voltage separation model have been discussed.

建立了电泳低电压运动梯度场分离的理论模型，提出了实现运动梯度场分离的控制方法和控制流程。

The transition from voltage to no voltage is referred to as the trailing edge of a clock signal.

电感从一定值下降到0值的跃迁叫做时钟信号的后沿。

In this thesis,low-voltage low-voltage synchronous rectification Boost converter for portable devices is designed and realized.

中文摘要本论文设计与实现了可应用在可携式装置系统中的低电压且同步整流之升压式转换器做设计与实现。

Bipolar pulse high voltage and AC high voltage with power frequency were applied into silent discharge reactor, respectively. The experiment to test decomposition of m-xylene and benzene mixed were done based on this reactor.

将双极性脉冲高压和工频交流高压分别引入无声放电反应器，对混合气态污染物间二甲苯／苯进行了降解实验。

YZB series crane and metallurgical variable voltage and frequency tree 0phase motor (hereinafter called'the motor').combing the functions ofcrane and pase asynchronous motors and strong points of the variable voltage and frequency technology have advanges of high mechanical strength and overload capacit,wide range of variable and stead operation. the basic technical data of the motor accords withIEC34-1 international standard and GB755 national standards stipulated with performances reached the 90s word level.the motor cam ne ised for a;; lomds of cranes.

YZB系列起重及冶金用变频调速三相异步电动机是将起重及冶金用三相异步电动机的特点与变频调速的优点集与一体，具有过载能力大机械强度高、调速范围宽、运行稳定的特点，其基本技术条件符合IEC34-1国际标准和GB755国家标准规定，电动机各项性能指标同国外九十年代水平相当。

The average iR drop accounts for about 74% of the total voltage losses during the C-D cycle at current density of 60 mA·cm-2,suggesting the voltage efficiency of vanadium redox-flow battery single cell with graphite felt as electrodes and Nafion 117 as battery separator,was limited by the cell ohmic internal resistance.

以石墨毡为电极、Nafion 117作隔膜的全钒液流单电池，在60 mA.cm-2电流密度下，每一充放电循环的平均iR降约占总电压损耗的74%，表明该电池的电压效率受制于电池的欧姆内阻。

Adopt one kind of design plan that PLC controls in the protection the main body of a book has been introduced succeeding an electricity in electric system, that capital is designed time is that the KV circuit imports 10 mainly , change into 380 V voltage grades, before the PLC front and back add front to passage and the queen to passage, change before to passage middle course electric current , voltage a train of, the wave filtering the general is exchanged changing waking up with a start for direct-current, the entering carrying out comparison and switch amounts again , controlling conducting entering PLC, by PLC, The malfunction signal is shown out by lamp light or the alarm signal.

本文介绍了在电力系统继电保护中采用PLC控制的一种设计方案，本次设计主要是将10KV线路输入，转化为380V电压等级，在PLC前后加入前向通道和后向通道，在前向通道中经过一系列的电流、电压转换，将交流转换为直流，进行滤波，再进行比较和开关量的输入，传入PLC，通过PLC的控制，将故障信号通过灯光或者报警信号表现出来。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。