Applied dedicated thick diaphragm and high - power integrated circuit to have high precision on voltage stability and constant current output 采用专用的厚膜大功率集成电路,具高精度的稳压及恒流输出特牲。
Adopted dedicated thick diaphragm and high - power integrated circuit to have high precision on voltage stability and constant current output 采用专用的厚膜大功率集成电路,具高精度的稳压及恒流输出特牲。
Guide for in - service use , care , maintenance , and testing of conductive clothing for use on voltages up to 765 kv ac and ? 750 kv dc 765kv及以下交流电压和? 750 kv及以下直流电压时使用的导电衣的使用检修维护和试验指南
The traditional function testing methods based on voltage have been mature in basic researches . and it has been widely used in practice 传统的基于电压的功能测试方法在理论方面的研究已经比较成熟,并且得到了广泛的应用。
( 2 ) we investigate the dependence of the conductance on voltage . we find that the curve is approximately horizontal beeline at low voltage , but conic at high voltage ； feni隧道结电导随结电压变化曲线，在低电压下近似一水平直线，高电压下，是一二次曲线。
This paper contrasts performance of current controlled two - state modulation inverter with one based on voltage mean value and instantaneous value feedback by simulation 在此基础上，对电流控制两态调制逆变器和电压平均值电压瞬时值反馈的spwm逆变器的性能进行了仿真对比。
Abstract : this paper analyses the source of power , the advantage and disadvantage of some low - power logic styles , and how to decrease the power on voltage and clock 文摘:分析了功耗的产生原因和几种不同的低功耗电路结构的优缺点。论述了如何从电源设计、时钟管理等方面降低功耗。
In 1980s , the foreign scholars have presents one pwm control technology based on voltage space - vector ( svpwm ) . which has the higher efficiency than that the spwm 利用matlab的simulink仿真环境建立了基于svpwm控制的三相整流器仿真模型，并对详细分析了电压空间矢量pwm技术。
According to the problem of over - voltage in chongqing power network during the low load period , this paper has a study on voltage and reactive power of the system power network 论文针对重庆电网低谷时段主网电压过高问题，对系统电网电压和无功进行深入系统的研究，提出了解决方案，使得重庆220kv电网低谷电压控制在232kv以下。
This paper analyzes the previous research on voltage fluctuation and flickermeter , and discusses the method of flicker measurement recommended by international electrotechnical commission standard iec - 61000 - 4 - 15 本文综合分析了当前电压波动和闪变测量的研究现状,对国际电工委员会标准iec - 61000 - 4 - 15推荐的闪变测量方法进行了深入探讨。
