查询词典 voltage

At last, the proposed algorithm is simulated under such conditions as sinusoidal voltage, nonsinusoidal voltage, frequency fluctuation, sampling frequency and sampling time length in change.

最后分别在电压无畸变、电压含谐波、电压频率波动、采样频率以及采样时间长度变化时，对文中提出的介损测量正交分解法进行仿真验证，并与谐波分析法进行比较分析。

This paper presents the following questions about earthing breakdown protection and optionality,connection of voltage transformer,the type-selecting of arrersters and cable after middle voltage system earths through low resistance .

主要介绍了中压系统中性点经低电阻接地后，中压系统接地故障保护的设置问题及上、下级选择性、电压互感器的接线、避雷器及电缆的选型

Gridconnected PV system in addition to having over-voltage, under-voltage, overfrequent, less-frequent, such as conventonal protection, we must also have a special kind of protection-Gudao protection.

光伏并网发电系统除了具有过压、欠压、过频、欠频等常规保护外，还应具有一种特殊的保护功能―孤岛保护。

A compensatory voltage vector based overmodulation method for four-switch SVPWM was presented for improving the utilization ratio of the DC voltage.

指出四开关SVPWM最大线性调制比只有六开关时的一半，为提高直流电源电压的利用率，提出基于补偿电压矢量的四开关逆变器SVPWM过调制方法。

In order to overcome the difficulty in estimating the ripple component on dc-side capacitor reference voltage, the modified control algorithm is proposed by ignoring the ripple component. Furthermore, the relation between control performance and damping coefficient is researched. In addition, the reasons of voltage source converter inner-loop control overmodulation are also analyzed. Based on the relation between control performance and VSC inner-loop input saturation, damping coefficient is adjusted on-line by fuzzy logic reasoning so that the trade-off between control accuracy and limitation of VSC inner-loop control overmodulation is solved preferably.

由于在线计算直流电容指令电压波动量十分困难，在控制方法的执行中忽略波动量的影响，简化了控制方法的实现；此外，该方法还研究了所注入的阻尼大小对控制效果的影响以及APF内层控制过调制产生的原因，针对无源性控制律跟踪精度的要求与内层控制过调制限幅条件间的矛盾，通过构造模糊逻辑推理环节实现阻尼系数的在线调整，在满足内层控制限幅条件下确保跟踪精度和补偿效果。

"Suote Electric"has got certificates of ISO9001, ISO14001, OHSAS18001,etc. Its high-voltage assembles switch has all palled nation-class test, and low-voltage assembles has all passed 3C certificates.

&索特电气&已通过ISO9001、ISO14001、OHSAS18001等体系认证，高压成套产品均通过国家级型式试验，低压成套产品均通过3C认证。

Half-wave voltage is an important physical quantity which is the token of the influences of voltage up on the phasic difference.

半波电压是表征电光调制时电压对相位差影响大小的一个非常重要的物理量。

Corona discharge or midfrequency frenguency high-voltage, high-voltage discharge for processing to the plastic surface to surface activation, polyporous, hnproving plastic film on ink adhesion, improve film business card printing and membership card making suitable to their needs.

电晕充电拔取矮频矮压或洋频矮压充电，差塑料暗不天举行办理，使其暗不天活冻，呈多孔性，以调矮塑料薄膜暗不天差油不朱的黏附辛，恶冻薄膜的制卡和会员卡制作适性。

The motor-nerve conductive velo- city and the action potential voltage correlated negatively with press time and pressure levels. The action pote- ntial voltage correlated positively wi- th the motor-verve conductive veloci ty.

结果表明：受压后运动神经传导速度与动作电位电压呈正相关：压力与运动神经传导速度和动作电位电压呈负相关，持续压力下，压迫时间与运动神经传导速度和动作电位的电压呈负相关。

Dependence of flashover voltage on several physical factors, that is applied voltage waveform, predischarge conditioning, geometry shape and length, geometry area, dielectric material, surface treatment, magnetic field effects and multilayer high gradient insulator technology, are expatiated.

文中系统总结了目前高压真空绝缘闪络特性的实验研究成果，具体阐述了几种典型实验模型及研究方法，以及几种重要物理因素，即绝缘材料介电常数、绝缘体几何形状及长度、施加电场波形、绝缘体表面处理、绝缘体几何面积、绝缘体预放电处理、磁场作用、多层高梯度绝缘技术等等，对真空绝缘闪络特性的影响。

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。