充电时，蓄电池的反电压或过电压太高，以致限制了低温充电性能。
On charge, the counter-voltage or overvoltage of the battery could be so high as to restrict the charging characteristics at low temperatures.
和600伏特设计比较，800伏特准谐振反激变换器的电压频谱在1兆赫兹以下更高一点，在1兆赫兹以上开始变小。
As it can be seen the voltage spectrum of the 800v quasi resonant flyback is higher at frequencies below 1 MHz, and is getting lower above 1 MHz compared to both 600v designs.
电感电流断续工作的反激式变换器一次侧开关可工作于硬开关或准谐振(或谷值开关或零电压开关)模式。
The flyback converter running in discontinuous conduction mode can be operated in hard switching or quasi resonant (or valley switching, or ZVS) mode regarding the primary side switch.
给出反偏电压、光谱响应、暗电流、极间电容、极间阻抗、位置分辨率和位置线性特性等性能的测试结果。
Several test results, such as reverse voltage, photo sensitivity, dark current, terminal capacitance, terminal impedance, position distinguishability, position Iinearity, were reported in the paper.
通过电压峰值采样保持电路对IGBT串联二极管反压值进行采样，后经DSP A/D转换模块与反压设定值进行比较。
Sample the negative voltage on the diode series with IGBT by Peak hold switch circuit, and cut-in A/D module in the DSP, compared with setting value.
利用电晕线支撑部分和屏蔽管的静电屏蔽效应，可以改善电除尘器板电流密度分布，减弱反电晕，并可得到高电压低电流的安全运行状态。
By using this kind of shielding effects, the electric current density distribution can be improved, the back-corona can be reduced and the high voltage and low current state can be obtained.
充电电压和放电反峰系数的增大使发热和介质内应力加剧，可以使寿命缩短90%以上。
The increase of charge voltage and discharge inverse peak factor make the life of MLC over 90% shorter by enhancing both heat production and internal stress of the dielectric.
介绍了在已有铬层上补镀硬铬的方法，强调了补镀前表面净洁、反电刻蚀(阳极处理)、低电压小电流起镀等工艺的重要性及应注意的问题。
The importance of surface cleaning before replating, reverse electro-etching (anodic treatment) as well as low-voltage and small-current plating, and some problems needing attention were emphasized.
本文研究了三相感应电动机软起动器，主电路由三组反并联的晶闸管构成。通过控制晶闸管的触发角，可降低三相感应电动机定子电压，从而达到抑制起动电流冲击的目的。
The principle of the soft starter is reducing the voltage applied to the stator of the induction motor by control the triggering angle of the thyristors in order to limit the starting current surge.
电池连接结束后，要对电池总的输出电压进行测试并记录，以防部分电池极性接反。
After connecting the battery to the battery of total output voltage test and records, in order to prevent some of the anti-access battery polarity.
这种变换器综合了正激和反激变换器的特点，并且只用一个变压器实现了单路电压输出。
This circuit has the character of the flyback converter as well as the forward converter, single voltage output can be achieved by one transformer.
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；
The inverse time delay characteristic is adopted by the basic zero-sequence over-voltage protection.
文中采用无源探针对由等离子弧梯度电压和等离子鞘层电压构成的等离子反翘(等离子云)电压进行检测。
A non power supply probe was developed to detect the plasma cloud voltage, which consists of plasma arc voltage gradient and plasma sheath voltage.
然而，由于漏感影响，反激变换器功率开关管关断时将引起电压尖峰，必须用钳位电路加以抑制。
However, due to leakage effects flyback converter power switch off when the voltage spike caused by the need to be inhibited by clamping circuit.
因此，作为失步保护后备的低电压保护也应具有反时限特性。
Thus, low voltage protection devices, served as lock-out protection reserve will also have characters uf inverse time-lag.
文中介绍了NCP1205的工作原理和主要特点，并将其应用于交错并联反激电路中，大大减小了开关管的开通损耗，减小了输出电压纹波，提高了电路效率。
NCP1205 is applied to the interleaving paralleled backward circuit to reduce the switch tube power loss and output voltage ripple, to enhense the circuit efficiency.
介绍了普通反时限特性，并提供了缺乏反时限特性段或电压互感器断线时的电流、时间整定原则。
The general inverse time characteristic is introduced, and the setting principles of current and time when inverse time characteristic is scarce or voltage transformer breaks are provided.
反激逆变器占空比可以在0到0.8之间变化，从而得到较宽范围的输出电压；
Wider range output voltage can be realized by varying the duty ratio from 0 to 0.8.
但如果设计反激有源箝位电路工作在电流连续模式，控制占空比，使输入电流跟随输入电压，可以提高输入功率因数。
However if the active clamp flyback converter is designed to operate in CCM, and the duty cycle is controlled to make the input current track input voltage, the input power factor can be improved.
介绍了一种反激式变换器零电压关断缓冲电路，同时分析了其工作原理。最后简要地介绍一下其设计方法。
An introduction to a type of lossless snubber circuit applicable to flyback converter was given, and its working principles were analyzed.
分析了下桥臂调制方式下绕组端电压波形，并基于此介绍了反电势法检测转子位置原理。
Voltage waves are deduces on lower bridge arm PWM modulation and theory of rotor position detection based on EMF is introduced.
这个反激电压足以点亮led。
放电振荡中的反峰电压：（3）振荡频率；
放电振荡中的反峰电压：（3）振荡频率；
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