voltage constant的例句大全

Automatic voltage regulator for constant current charging three-phase full wave constant voltage rectifier

恒流充电用自动调压器三相全波恒压整流器

In the meantime, the power source makes use of single chip microcomputer controlling technology and realizes the function of welding parameters preset. This power can also modify the welding voltage U f through feed back controlling so to get constant voltage characteristic.

同时，运用了单片机控制，实现了焊接参数的预置功能以及反馈控制技术对焊接电压Uf进行调节，从而获得熔化极弧焊电源所需的外特性。

The constant current source of thyristor commutation supply voltage

晶闸管整流供电的恒流源

This paper discusses the difference of TDDB ( Time Dependence Dielectric Break down) under constant voltage and pulse voltage stress.

本文讨论了在直流电压应力和脉冲电压应力作用下栅氧化膜击穿寿命的差别，脉冲应力下栅氧化膜击穿寿命大于直流电压下的击穿。

If the time harmonic source is assumed to be constant voltage, the summed pulse propagation is the impulse response along the line.

若各频率成份之电源为定电压，则所得时域脉波即脉冲电压源在传输线上之脉冲响应。

We research the static var compensator in detail, using bifurcation theory and time domain simulation method to analyze the impact of the time constant and magnification on voltage stability.

采用静止无功补偿器动态模型，利用分叉理论和时域仿真方法分析了其时间常数及放大倍数对电压稳定的影响。

The anatase and rutile TiO_2 porous films were prepared directly on the surface of pure titanium by constant voltage and constant current anodic oxidation using sulphuric acid, pure titanium and pure copper as electrolyte, anode and cathode, respectively.

以硫酸为电解液，纯钛（TA1）为阳极，铜片为阴极，以恒压和恒流阳极氧化方式在钛表面直接获得锐钛型和金红石型TiO2多孔膜。

In order to improve the performance of thermal conductivity detector ( TCD) for gas chromatography, a precision constant current source circuit and a difference voltage detection circuit were designed.

为了提高气相色谱仪用热导检测器的性能，设计了热导检测器的精密恒流源和差压检测电路。

Taking A/ Dvantage of thermal resistance through the constant current source putting the temperature into voltage, and then by 24-bit high-precision A/ D converter a convenient digital signal imported into DSP.

硬件的实现是利用热敏电阻通过恒流源激发将温度值转化为电压值，经24位的高精度A/D转换器，转化为便于处理的数字信号提供给DSP。

In this paper, a monolithic thermal vacuum sensor based on a micro-hotplate ( MHP) and operating under constant bias voltage conditions was designed.

设计了一种工作在恒电压模式的、微热板结构的单片集成电阻真空传感器芯片。

The AMA with constant voltage source exhibits damping character, while with constant current source it provides only a negative stiffness that lowers the critical speed of the rotor system.

当提供的电源为恒流源时，控制执行器仅提供负刚度，从而使整个支承刚度降低，转子临界转速下降，此时宜采用变刚度控制。

Based on the relationship between the diffusion current and voltage of PN junction, the Boltzmann's constant is measured with high accuracy.

运用半导体的PN结扩散电流与电压关系特性，精确地测量了玻尔兹曼常数。

Constant Current/ Constant Voltage and Double Closed-loop Control System Made of TL 494

用TL494构成的恒流恒压双闭环系统

Research and Development of Powerful PWM Complementary Direct Current and Constant Voltage Wave Clipper

大功率PWM互补型直流斩波稳压控制器的研究与开发

Under the conditions of constant distance and medium voltage between the anode and cathode, the field emission stability has been investigated with the sample being continuously operated and interruptedly operated.

在距离不变及中等工作电压的情况下，测定了样品连续工作及反复间断工作时场致发射电流的稳定性。

Its main idea is to replace the UPFC by a net power input and a constant voltage.

该模型的主要设计思想是将系统中的UPFC用注入功率和恒定电压等值表示，从而将UPFC从等值网络中移去。

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。

G. constant peak current and constant peak voltage. It can realize the combination of many kind of pulse wave form.

该电源主电路采用逆变器技术和斩波技术，控制电路采用双重闭环PWM实时控制方式，具有恒峰值电流和恒峰值电压两种工作方式，可实现高速换向多种波形结构的组合。

Mainly through the voltage regulator chip, integrated operational amplifier, a programmable constant current source which is voltage-current mode is designed. When the current of constant current source flows through the gas sensor, the resistance signal of the sensor can turn into standard-voltage acquisition signal.

主要是通过稳压芯片，集成运放设计一个电压转电流型程控恒流源，恒流源的电流流经气体传感器，把传感器的电阻信号转换成标准的电压采集信号。

For the problem that asynchronous motor starting generates a great current impact, this paper presents speed open-loop constant proportion of voltage to frequency control method.

针对异步起动过程中定子绕组产生过大冲击电流的问题，提出了逐级变频的转速开环恒压频比控制同步电动机软起动方法。