过电压

A phase advancer has a main AC-AC frequency conversion circuit consisting of thyristors.When sampling circuit detects the zero passage signal produced in rotor current of motor,main circuit controlled with advanced microcomputer controlling technique will change the AC voltage of 380V,50HZ into compensating voltage with the same frequency as that of rotor voltage and rotor current 90°in phase lay to achieve the goal to raise the power factor of the motor.

由可控硅构成的交变频主电路，在采样电路检测到电机转子电流产生的过零信号后，经过先进的微机控制技术控制主电路，将380V、50HZ交流电压转换成转子频率相同，相位滞后转子电流90°的补偿电压，达到提高电动机功率因数的目的。

Whereas if the contacts are in series with the alternating circuit, due to the passing zero property of voltage, we must evaluate the condition of contacts according to voltage value.

但当触头接入交流电路中时，由于电压有过零的特征，所以要根据电压有效值来判断触头是打开还是闭合。

Brownout - A circumstance of reduced supply of electrical voltage, particularly during times of high

电压过低–由于提供电压不足而导致的情况，尤其在用电量较高时容易出现。

The ceramic coati ng would be destroyed under the condition that voltage was overload .The differe nt electric currents were corresponding to distinct stages.

结果表明，电压是影响微弧氧化的主要因素之一，电压值过高将造成陶瓷膜的破坏。

By means of investigation of parameters (reactant strengths electrobath voltage reaction time reaction temperature membrane stuff material variety and the additive) in the sulfate and sulphuric acid electrolysis process, and compared the electrolysis process through analyzing several important technique factors, found the optimized parameters of peroxysulphate and peroxysulphuric acid electrolysis preparation.

通过对硫酸铵、硫酸电解过程中各工艺参数(反应物浓度、槽电压、反应时间、反应温度、膜材料、阴极室物料种类、添加剂)的考察，并结合对电解过程中重要技术指标的比较分析，确定了电解制备过二硫酸铵以及过二硫酸的较优条件，为工业化电解制备过二硫酸铵以及过二硫酸提供了可靠的基础数据以及工艺参数。

Inspection, the instrument can be used to measure the electromagnetic coil voltage, to see whether it has reached the rated voltage, if the voltage is too low and should be further examination of the control circuit power supply and associated trip switch circuit.

检查时，可用仪表测量电磁线圈的电压，看是否达到了额定电压，如果电压过低，应进一步检查控制电路中的电源和相关联的行程开关电路。

Again, this theory can only be used when the transformer is receiving a sinewave voltage as this turns-per-volt value does not reflect in any of the voltages you will get on the other windings as the "fly-back" voltage will over-ride your calculations.

每伏= 5 / 3 =同样，这一理论只能用于接收时，变压器每伏的正弦波电压，因为这原来，值不反映任何电压，你会得到你的计算上乘坐的其他绕组为"飞回来"电压过。

In this paper,the effect of over big pulsating voltage is described,the formation of pulsating voltage is analyzed.

过大的脉动电压造成发电机部件的危害和影响，分析脉动电压的形成，重点论述设计和制造中如何控制脉动电压，以

The voltage overshoot across the power electronics and the voltage variation could be suppressed by snubber.

功率器件的电压过冲和电压变化率可以通过缓冲电路来进行抑制。

When a voltage higher than the design voltage strikes the line, the gas ionizes and conducts the excess voltage to ground.

当高于设计电压的外部电压击中电线，玻璃胶囊中的气体将被电离并形成导体，将过高的电压导入地下。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。