查询词典 voltage

This high voltage electrostatic precipitation controller has 7 channels of analog input,2 channels of analog output, 12 digital inputs and 16 digital outputs. The analog input includes primary current, secondary current, primary voltage, secondary voltage, etc. Controller uses MAX 187 as the A/D converter, which ensure the sampling speed and the conversion precision in the same time. The processor unit is RCM2250 module. Rabit 2000 processor, a 128K SRAM and a 256K Flash Rom are integrated in RCM2250, which improves the performance of pricipitation controller. MAX504 is used to produce the 4~20mA current output.

模拟量输入采集的信号有升压变压器一次电流、一次电压、二次电流、二次电压等，采用12位逐次比较式A/D转换器MAX187，兼顾采样速率和转换精度；中央处理单元采用以8位嵌入式处理器Rabbit2000为基础的RCM2250模块，外扩128KSRAM和256K Flash ROM，内部资源丰富，提高了控制器的整体性能；模拟量输出采用内带基准源的10位电压输出数模转换器MAX504，实现了标准4～20mA电流信号输出；控制器通过控制算法在相应开关量点上输出可控硅的触发脉冲。

The output ripple voltage of the PWM converter is±8 mV with the emblematical condition: 1.5V input voltage, 3.3V output voltage, 100mA loading current, 1MHz working frequency. It means that the whole system has high stability according with the design request.

在输入电压1.5 V，输出电压3.3 V，负载电流100 mA，工作频率1 MHz的典型条件下，对该转换器进行整体仿真，得到输出纹波电压范围仅为±8 mV，说明电路具有高稳定性，符合设计要求。

By the means of theory, simulation and experiment, the second part of this paper is then analyzed which is on the equivalent output resistance and inductance of the selected inverter and the effect to the output voltage"s amplitude and phase caused by the different values of the inverter"s component. It is concluded that by selecting certain precision level components, the difference of the output voltage amplitude is much greater than that of the output voltage phase.

其次通过理论、仿真和实验分析了本文所采用的电压电流双闭环瞬时控制方式逆变器的等效输出阻抗和两台逆变器器件差异对输出电压的幅值差和相位差的影响，从而得出选用一定精度的器件，两台逆变器输出电压的幅值差比相位差大得多的结论。

Taking the comprehensive factors into considerations and the experimental curve results, the optimum parameter are the filament voltage U is 3.0 V, the grid voltage U1 is 1.8 V and the reverse voltage U3 is 7.0 V, the first excitation potential of Argon is 11.6 V.

综合各种因素，给出最佳参数组合，并在此组合下给出了测量数据及处理结果，灯丝电压U=3.0V，栅极电压U1=1.8V，反向电压U3=7.0V。在该参数下测得氩原子的第一激发电位U0=11.6V。

How fast will an increment of the excitation voltage reach 95% of the difference between ceiling voltage and the system voltage rating.

励磁电压增加到最高电压和系统额定电压之差的95%时要多少。

But in achieving the current-voltage conversion, with the current-voltage feedback circuit we may reach the goal in the feedback resistance using, namely premise the photoelectric current certainly, the feedback resistance is bigger, the voltage is greater.

但是在实现电流-电压转换的时候，用的电流-电压反馈电路，我们可以在反馈电阻的使用上达到目的，即在光电二极管的光电流一定的前提下，反馈电阻越大，电压越大。

Two high-voltage circuits have been designed: voltage doubling rectifying circuit and fly-back switching high-voltage power supply circuit.

设计了两种高压产生电路：倍压整流电路和反激式开关电源电路。

Switching Power Supply with the traditional distinction between :(1) not only the output voltage feedback, feedback from the average input current;(2) Current benchmarks signal voltage error signal and full-wave rectifier voltage signal sampling the product.

与传统开关电源的区别是：不仅反馈输出电压，还反馈输入平均电流；(2)电流环基准信号为电压环误差信号与全波整流电压取样信号之乘积。

The "tile"is a power unit but , is voltage and voltaic product, voltage is to maintain fundamental note type computer operation operating voltage , electric current is the situation looking at operation , power consumption having diversity but, power consumption is higher if opening DVD and the trumpet , pure await the opportune moment power consumption is lower , the entirety comes say therefore the machine power consumption is not fixed, but is status have height to have consuming an electricity low.

而"瓦"为功率单位，为电压与电流的乘积，电压为维持笔记型电脑操作的基本工作电压，电流则视操作的状况，而有不同的耗电量，如开启DVD及喇叭耗电量较高，纯待机耗电量较低，所以整体来说，机器的耗电量不是固定的，而是有高有低的耗电状况。

At present, ultra-high voltage test Hall Voltage Sensor , the ultra-high voltage insulator arrester and tension is building laboratories, can simulate high altitude and filthy, Icing, artificial rainfall, and other special environmental conditions in UHV filthy and Environmental Laboratory has also started construction, UHV test transformer is already in place.

目前，特高压试验大厅、特高压避雷器和绝缘子试验室正紧张建设，可模拟高海拔、污秽、覆冰、人工降雨等特殊环境条件的特高压污秽及环境试验室也已动工建设，特高压试验变压器已经就位。

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。