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Output voltage can be either less than or greater than the input voltage, depending on the turns ratio of the transformer.

输出电压可以大于或小于输入电压，由变压器的匝数比决定。

Adopting discrete time-domain method to set up the mathematical model of high-voltage conversion circuit, and analyzing the influence of frequency, duty cycle, primary inductance, different turns ratio parameters how to affect high-voltage convertion circuit charging time.

采用离散时域方法建立高压转换电路数学模型，分析了高压转换电路频率、占空比、原边电感量以及匝比等设计参数对高压转换电路充电时间的影响，并进行了仿真和实验验证。

Two dimensional fluid simulation results show that the wall voltage across the sustaining gap is increased by 30V, and the sustaining voltage can be lowered by 10-20V with the new triggering method. The vacuum ultra-violet radiation efficiency is increased by more than 50% compared to the conventional three-electrode AC PDP.

二维流体模拟结果表明，新的触发驱动方法可将五电极AC PDP主维持间隙的壁电压提高30V左右，从而使其维持电压降低了 10~20V，降低了对驱动电路的要求，同时真空紫外辐射效率比传统三电极AC PDP提高了50%以上。

Undershoot refers to the amount by which voltage or frequency drops below the nominal value as the voltage regulator or governor responds to changes in load.

下超调 ：下超调指电压调整器或控制器在应对负荷变化时，电压或频率低于额定的量。

Unladen state generator, step-up from zero after the check check each group voltage transformer secondary voltage value, phase sequence and instrument instruction correctness check value and protection actions return values, taking no-load of generators, power generation Inter-turn machine stator winding insulation pressure.

发电机空载状态下，零起升压后检查检查各组电压互感器二次电压值、相序及仪表指示正确性，检查保护动作值和返回值，录取发电机空载特性，进行发电机定子绕组匝间绝缘耐压。

Potentiometer is actually a variable resistor, because of its role in the circuit is to obtain the input voltage into a fixed relationship between the output voltage too, so called potentiometers.

电位器实际上就是可变电阻器，由于它在电路中的作用是获得与输入电压成一定关系得输出电压，因此称之为电位器。

Studies of stability of capacitance for the standard capacitor include temperature coefficient, voltage coefficient and pressure coefficient of capacitance, i.e., the rules of variation of capacitance as a function of temperature, voltage and pressure.

1000kV标准电容器是目前国内研制的电压等级最高的标准电容器，本文在分析国外标准电容器有关资料和多年来积累的研究和制造500kV及以下标准电容器经验的基础上，针对1000kV级标准电容器进行了大量的研究工作，主要内容包括标准电容器的电容稳定性、介质损耗、电场分布的分析与调整、沿面电位分布等研究。

Applied with space vector diagram, a novel method for analyzing the control law and current controllability of variable structure control is proposed The detail discussions of parameter design, robustness and stability analysis are also made Furthermore, based on modeling the DC capacitor voltage control subsystem, a kind of fuzzy voltage controller is proposed, which results in good control performance In order to reduce the chattering of variable structure, a novel control scheme----fuzzy variable structure control is proposed in the fifth chapter.

针对变结构控制在应用中出现的抖振问题，本文第5章应用趋近率控制与模糊控制的有机结合，提出了模糊变结构控制策略，并应用空间矢量分析法揭示了其控制机理。

Result of theoretical analysis and simulation indicate that bang-bang controller will result in torque ripple. 3. Through analyzing relationship between voltage and flux in induction motor, a stator flux oriented voltage vector control scheme is proposed.

对砰—砰控制的机理和实质加以论述，通过分析和仿真说明，无论是电流、磁链或是转矩的砰—砰控制都将引起转矩的脉动。

When the voltage space vector is in the overmodulation II, the reference voltage is no longer tracking the circle of radius and holds an angle at the vertex and then moves along the hexagon.

在上塑料托盘述线性调制的基础上，提出一种基于电压空间矢量的过调制方法。

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。