高电压

The "tile"is a power unit but , is voltage and voltaic product, voltage is to maintain fundamental note type computer operation operating voltage , electric current is the situation looking at operation , power consumption having diversity but, power consumption is higher if opening DVD and the trumpet , pure await the opportune moment power consumption is lower , the entirety comes say therefore the machine power consumption is not fixed, but is status have height to have consuming an electricity low.

而"瓦"为功率单位，为电压与电流的乘积，电压为维持笔记型电脑操作的基本工作电压，电流则视操作的状况，而有不同的耗电量，如开启DVD及喇叭耗电量较高，纯待机耗电量较低，所以整体来说，机器的耗电量不是固定的，而是有高有低的耗电状况。

To control the output waveform, the mathematic model of three-level inverter is set up. The output voltage instantaneous value control system is employed to obtain high quality output waveform.

为了对输出电压的波形进行控制，该文建立了三电平逆变器的数学模型，使用输出电压瞬时值控制系统来获得高质量的输出电压波形。

precise calculating formula is derivated to determine magnification ratio of voltage,input resistance and output resistance in amplifying circuits based on th feedback circuit model with cascade voltage.with th new calculating methods put forward by the author,it is possible to solve the problems in terms of calculation in amplifying circuits,the key problem being low level of exactness.the research shows the influence of components′ parameters of basic amplifying circuits and feedback circuits on feedback amplifying circuits.the results of the research may contribute to design amplifying circuits and electronic instrument with higher performance,due to the simpler calculation in the design of feedback circuit with cascade voltage.

摘 要：在建立电压串联反馈电路模型基础上，推导出放大电路中的电压放大倍数、输入电阻、输出电阻的精确计算公式。提出新的计算方法，从而解决了放大电路计算不方便，精确度不高、准确性不够的问题。同时进一步揭示了基本放大电路、反馈电路元件参数对反馈放大电路的影响关系。为设计出高性能放大电路及电子设备指明了方向，更加方便于电压串联反馈电路的计算。

Phase comparison of resistive current component can ob- tain rather high measuring accuracy of resistive current,but for it a reference voltage shall be taken from service site(from potential transformer or adaptor),which may effect the service reliability for oth- er installations .

阻性电流相位比较法能获得较高的阻性泄漏电流测量精度，但需要从运行的现场取一个电压参考量(电压互感器或传感器电压抽取装置)，会对系统其他设备的运行可靠性造成一定的影响。

Along with of microprocessor of development, the urgent demand have to match with it mutually of connect the issue that ocular exterior measure the equipments directly, root for a living through applied personnel in technique in science, find out a kind of exits already of but the past was output the equipments by the tiny electric current, electric voltage that people neglect, namely the high man in Rogowski electric current spreads to feel machine with divide to press the machine, its output's is several 100 peaceful electric current s/ V electric voltage can control with tiny model protection directly the equipments pick up a people, satisfying the request that protection control measure, and basic dissolves traditional electromagnetism type the electric current, electric voltage feels with each other saturated weakness in machine.

随着微机的发展，迫切要求有配合它的相互连接的问题，眼球的外部测量设备直接，根为口奔驰，通过应用型人才，在技术科学，找到了一种已经退出的，但过去仅仅是输出设备是由微小的电流，电压，人们忽视，即高文在罗柯夫斯基电流差突然觉得机器与隔膜，迫使机，其输出的是几个100和平电流s音频/视频电电压可控制与微小模型直接保护的设备，接了一个人，满足了要求保护控制措施，并基本溶化传统的电磁式电流，电压觉得与对方饱和疲软机器。

In the paper,vacuum circuit breaker switchingtransformers process is simulated with Saber software and parameters are analyzed Theresults indicate that overvoltage peak value of switching no load transformers is not muchhigh,especially for switching load transformers.Yet,reignition overvoltage might doharm to transformer coils by cumulative effects for its surge steepness.The measures liesin setting parallel connection capacitance in practice working.

本文利用Saber仿真软件对真空断路器切除变压器的一个完整过程进行了仿真计算，并详细分析了各种参数对过电压的影响，结果表明，尽管实际中切除空载变压器过电压的幅值并不是很高，特别是带负载变压器的情况，但重燃过电压的陡度较大，对变压器绕组的纵绝缘有累积作用，在实际工作中应以并联电容为基础的限压装置。

Experimental studies were conducted to investigate the effects of driving parameters,such as driving voltage and negative demagnetizing pulse,on the dynamic response performance of a three-way solenoid valve in the common-rail fuel injection system.

结果表明：提高驱动电压可以有效地提高三通电磁阀的动态响应性能；在不同驱动电压下，对于同一正向励磁脉冲都有一个最优的反向消磁脉冲，这时三通电磁阀的动态响应特性最好；驱动电压越高，最佳消磁脉冲越小，最佳消磁脉冲变化越缓慢。

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。

Considering the shortage of voltage sensitivity in small source impedance ratio systems and with high resistance earth fault, the voltage fault component is replaced by memory voltage component to determine the fault's direction.

针对无穷大电源系统中和经高阻接地时存在的电压灵敏度不足的问题，采用保护安装处的记忆电压代替其电压故障分量，从而使保护可以可靠地判别出故障的方向。

The higher surface energy of substrate results in higher effective viscosity and thicker ordered molecular film.

从侧面证明了有序液体模型的正确性，即薄膜润滑的成膜性能与近固体表面润滑剂分子的有序度密切相关；足够大的外电压使无序流体膜有序化，生成较高的有效粘度和较厚的油膜，并且二者随着外电压的增加，逐渐趋于稳定；外电场作用下，摩擦系数增大，切断电源后，摩擦系数减小，但不能恢复到未加电压前的摩擦系数值。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。