negative voltage

Three Terminal , Fixed Voltage , Dropout Negative Voltage Regulator Hermetic Packages .

三端子，额定电压，降负电压稳压器密封封装。

Also it can be easily integrated and applied widely in power supply products , the output of which is negative voltage .

此电路结构简单，性能优良，易于集成，可广泛应用于输出负电压的电源产品中。

Study on the High Negative Voltage Pulse Power Supply for ECRH

ECRH负高压脉冲电源的研究

Researches on a stabilized voltage supply with high stability and high negative voltage

C高；高稳定度负高压稳压电源研究

Influence of negative voltage on coating of magnesium alloy micro-arc oxidation

负向电压对镁合金微弧氧化膜层的影响

Then digital PID adjusting instrument can adjust the negative voltage exactly .

在数字PID调节器的作用下对反压进行有效的调节。

Design of High Efficient Low-Voltage Negative Voltage Tripler

一种高效率低电压3倍负压电荷泵的设计

Therefore choose positive and negative voltage regulating scheme as main circuit wiring scheme of on-load tap changer .

因此最终选择了正反调压方案作为有载分接开关的主电路接线方案。

The findings offer the reliable foundation and effective method to the design of the zero even negative voltage regulation on rated load .

这为设计额定负载时低甚至零电压调整率的永磁同步发电机提供了可靠的依据和有效途径，减小了设计中的盲目性。

Establishing a double-loop circuit mode , this mode can explain the special negative voltage phenomenon in EFT transient process .

通过双回路电路模型的建立，解释了EFT瞬态过程中特有的负向电压这一特殊现象。

According positive and negative voltage regulating scheme and SSR working flow , this paper designs hardware circuit and software structure of microcontroller system .

根据主接线方案及固态继电器的工作流程，本文设计了单片机控制系统的硬件电路及软件结构。

Fitted expression of Child-Langmuir law for planar direct-current biased negative voltage collision sheaths

平板直流负偏压碰撞鞘层Child-Langmuir定律的拟合公式

With h increasing , the ion current in negative voltage zone changes from monotonously increase to the first decrease and then increase .

h增加的过程中，负电压区间离子电流从逐渐增大的趋势变为先减小后增大的趋势，等离子体电势较小的区域变化趋势更明显。

High negative voltage pulses of - 20 - - 30 kV was applied to the substrate for enhancing the ion energy .

将-20～-30kV的高压加在衬底上，来提高离子的能量。

Positive and negative voltage regulating technology has the advantages of wide voltage regulating range , stabilized working performance and feasible frequently regulating .

正反调压技术具有调压范围大、工作性能稳定，可频繁调节等特点。

Electron launching resulted in positive voltage signal of collector plate , and ion launching resulted in negative voltage signal of collector plate .

收集板上的正、负电压信号分别由激光烧蚀金属Cu产生离子和电子发射而引起，高能电子对环境气体具有碰撞电离的作用。

The effects of positive and negative voltage on phase constitution of ceramic coating on aluminum alloy prepared by micro-arc oxidation were studied by XRD analysis .

通过XRD分析，研究了正向、负向电压对铝合金微弧氧化陶瓷层相组成的影响。

Positive and negative voltage regulating technology realizes the function of distribution transformer non-contact on-load automatic voltage regulating and achieves stabilizing power grid voltage aim .

正反调压技术实现了配电变压器无触点有载自动调压的功能，达到了稳定电网电压的目的。

Continuum radiation was corresponsive to negative voltage signal of collector plate , and high-kinetic energy electron made ambient ionized .

连续辐射的产生与持续时间和收集板上接收电子的负电压信号相对应。

In order to solve the problem about the variety of negative voltage on the diode series with IGBT , a circuit was designed to implement the negative voltage control .

针对IGBT串联二极管承受反压值变化过大的问题，提出了通过直接检测IGBT串联二极管两端电压，实现其反压控制的方法。

The power supply , which can output positive and negative voltage synchronously , was realized independence work through preliminary voltage values setting and step-by-step regulation on panel keyboard .

该电源能同步输出正负电压值，通过电源面板键盘对电压值的预置和步进调节实现独立工作，也可通过PC机的虚拟键盘实现远程控制和网络化管理。

It is found that the lower negative voltage is beneficial to the growth of oxide films , and also delays the presence of the second microarc discharge phenomenon .

结果表明：较低的负电压有利于氧化膜的生长，延缓二次放电现象的发生。

We have adopted a multi-phase DC-DC converter structure to supply the positive and negative voltage source for the panel , and decreased the operational frequency of the charge pump .

为了给显示板提供正负电源，采用了多相DC-DC转换器结构，同时减小了充电泵的工作频率。

With the deeper research of PEMFC , fuel cell is likely to take place starvation in the its working process , and the starvation will lead to producing the negative voltage .

随着PEMFC研究的深入，燃料电池在其工作过程中极容易发生缺气，而缺气会导致电池产生负压。

Here , we present a method of the semiconductor diode shielding the negative voltage that starvation produces , by inhibiting the negative voltage to achieve the function of protecting the fuel cell .

在此，我们提出了采用半导体二极管屏蔽电池缺气产生的负压的方法，通过抑制负压以达到保护电池的作用。

This paper introduces the working principles of induction heating power supply , analyzes major factors which effect the phase tracing in operating mode . A control system which based on DSP was designed to implement the negative voltage control .

论文介绍了感应加热电源的工作原理，分析了这些因素对相位跟踪的影响及不良后果，并提出了一种基于DSP芯片，通过反压控制改善相位跟踪的控制电路。

DIS has its own drawbacks by having half of the plugs firing with an acceptable negative voltage , while the other half is fired by the less acceptable positive polarity .

DIS有自身的缺点，由于有一半的插头接通一个可接受的负电压，而另一半接通不太能接受的正极。

Research on it and draw a conclution : Using the high purity argon as the carrying and shielded gas , adopting the high negative voltage and the high extensive multiple , can raise the sensitivity notably .

得出结论：采用高纯氩气作载、屏气，选择高负压值和高扩展倍率能明显提高灵敏度；

The results show that the TiN thin films deposited by FCAP are very smooth and dense , and the grain size of the TiN ranges from 50-80 nm that increases with increasing the negative voltage .

结果表明，用此方法制备的TiN薄膜表面平整光滑，颗粒尺寸为50-80nm；

After that , the deduction of start-up criterion arithmetic has been described importantly in this thesis . The positive and negative voltage ( current ) calculation formula of the system and the realization of work frequency criterion have been given , too .

接下来本文重点介绍了故障录波启动判据的算法的推导，给出了本系统正负序电压（电流）的计算公式以及工频频率判据的实现。