查询词典 voltage comparator

Accurate analog power is to provide power, digital chip, amplifiers, microcontroller is the voltage required by A/D sampling data output voltage, and comparison, if there is A deviation is the limit, adjust output signal output and closure, alarm, The working process of the working status, manostat by SCM outputs drive LED display, Display circuit used to display the size of the output voltage of power.

准确说就是模拟电源提供各个芯片电源、数码管、放大器所需电压，单片机则通过A/D采样输出电压，与设定值进行比较，若有偏差则调整输出，越限则输出报警信号并截流；工作过程中，稳压电源的工作状态均由单片机输出驱动LED显示；显示电路用于显示电源输出电压的大小。

Therefore, the exact relation between the unbalanced input voltage and the noncharacteristic harmonics of the output voltage in the 12-pulse rectifier system is obtained. In addition, the relation between the input current and the imbalance of the input voltage is obtained, which could help to choose the filter elements and exactly analyze the characteristics of the no controlled rectifier circuit.

利用精确的开关函数，推导了多脉波整流系统输入不平衡电压与输出电压非特征谐波的精确关系，进而得到电阻、电感负载时系统输入电流与输入电压不平衡度的关系，为精确地选择滤波元件做了有意义的探索。

The relation between quiescent point and voltage gain,input resistance,output resistance, maximum nondistortion output voltage ,dynamics parameter in amplifier is discussed by commom-emitter fixed-bias amplifier,the effective methods to improve voltage gain are deduced,and how to set reasonale quiescent point′s position based on amplifier′ different is also presented finally.

以共射固定偏置放大电路为例讨论放大电路中静态工作点与电压放大倍数、输入电阻、输出电阻、最大不失真输出电压等动态参数的关系，得出提高电压放大倍数的有效方法。

Firstly, corona inception voltage of the post insulator and surface leader inception voltage of the bushing versus relative humidity were investigated. The predischarge phenomena in connection with relative humidity were observed under AC voltage by photographing.

首先，对支柱绝缘子的电晕起始电压及套管表面先导起始电压与空气相对湿度的关系进行了研究；用静止照相的方法分别观察了支柱绝缘子和套管在不同相对湿度范围内的工频预放电现象。

The good of SEPIC layout depends on: No matter input voltage prep above or under output voltage, can offer stable output voltage.

SEPIC结构的用处在于：无论输入电压高于或者低于输出电压，都能够供给不乱的输出电压。

On the basis of the analysis of the transient negative current, a compensated voltage can be generated with multiplying the rms value of the negative sequence transient current of the feeder by a settable compensated reactance, then combined with the magnitude of the zero-sequence voltage to consist of the compounded compensated voltage, which can be utilized to revise the characteristics of the inverse time-delay.

其基本保护采用零序过电压保护，动作时间采用反时限特性；在分析接地故障负序暂态电流分布特点的基础上，利用线路负序电流暂态有效值与一个可整定的补偿电抗相乘，形成补偿电压，并与零序电压幅值合成复合补偿电压，利用该电压对基本的反时限动作特性曲线进行修正，使零序过电压保护具有选择性。

At this point, control circuit control high-power switch will be presented in a high-voltage direct-current high-frequency batch sent to high-frequency transformer primary and went on to the secondary loop after ventriclar hifrequency rectifter-voltage alternating current, by filtering is converted to a low-voltage stoichiometrical DC.

此时，控制电路控制大功率开关将高压直流电按照一定的高频频率分批送到高频变压器的初级，接着把从次级线圈输出的降压后的高频低压交流电，通过整流滤波转换为低电压强电流的直流电。

ABSTRACT : Based on the general circuit model of inter-phase power controller, the basic relationship of steady-state voltage of IPC is analyzed in this paper. Consequently a new concept is proposed to describe the basic feasible region of steady-state voltage of tuned IPC and its basic forms is defined under the conditions of tuned parameters. On the basis of aforementioned work, the respective regions in case of equivalent load in receiving end, susceptance of inductor and capacitor and parameters of phase shifter meeting the requirements of basic feasible region of voltage is mainly analyzed. Finally, the differences of feasible region of various TIPC with simulations are given.

首先，基于相间功率控制器的通用电路模型，分析了IPC稳态电压的基本关系；其次，针对参数共轭条件，提出并定义了调谐型IPC正常稳态运行电压基本可行域的概念及其基本形式，并在此基础上，重点解析了受端等效负荷、电容和电感的电纳、移相环节参数在满足电压基本可行域的前提下各自应该界定的基本可行域；最后，通过典型TIPC的仿真分析，说明了不同TIPC在基本可行域方面存在的差异。

At last, the goal is that devices between the field level and the baylevel is easy to interlink,in spite of voltage being l0KV or 500KV insPitC of GlS or trolly wire being used, in spite of oPtical voltage/currenttransducer or combined voltage/current sensors being used in the field level, in spite of devices produced by ABB or GEC being used, in case that the interface scheme (including adopting which kind of network and standard) between the field level and the bay level is confirmed.

最终要达到这样一个目的，一旦过程层与间隔层的接口方案确定（包括确定使用何种网络、依据哪一个标准），那么不管系统电压是10KV还是500KV，不管是GIS还是架空线，不管过程层使用的是组合式电压/电流传感器还是光纤电压/电流互感器，不管过程层使用的是ABB的设备还是GEC的设备，过程层的设备就可以同间隔层的设备很容易地实现互连。

The adjustment of parameters of excitation system evidently affects the dynamic voltage oscillation frequency, oscillation magnitude and voltage rising velocity; it affects the phase angle of voltage and the magnitude of the first swing of the line power to a certain extent as well.

发电机励磁参数调整对系统动态电压振荡频率、振荡幅度、电压上升速度有较明显的影响，对于电压相角和线路功率第1摆幅度有一定的影响。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。