查询词典 voltage

This paper discussed the present situation and existent problems of the auxiliary test system of variable frequency withstand voltage for cross-linking cable on-the-spot, as well as the designs and applications of auxiliary test system.

文章论述了交联电缆现场变频耐压辅助试验系统的现状和存在问题，以及辅助试验系统的设计和应用，介绍了辅助系统的作用和组成。

The average switching power supply exhibits efficiencies of between 70 to 90 percent, regardless of the input voltage.

这样的结果是大大降低正在消散权力范围内的供应。

Main products: almighty put in intelligent temperature control meter (XMT-808), can put through the computer and has the appearance, program intelligent industries adjustment meter, record meter, a series of temperature and humidity controller (XMT-9007), voltage adjustment instruments (ZK-1, ZK-3), all kings of temperature sensors, time relays, LCD and so on. Wide make use of the plastics, packing, printing, house electric appliance and some other machine field.Also include the textile printing, chemical engineering sprint, dyeing, baccy, oven, air conditioner, make cold and etc. Field. Has variety of products, all standards and directly sales to internal and international market.

主要产品有万能输入型智能温度控制仪表(XMT808)，具有计算机通讯接口及界面、可编程智能工业控制仪、记录仪，温湿度控制仪表(XMT9007)整套，电压调整器（ZK-1、ZK-3），各类温度传感器，时间继电器，液晶显示仪表等；产品品种多，规格全，真接销往国内及国际市场，广泛应用于塑料、包装、食品、印刷、家电等机械行业和轻纺、化工、印染、烟草、烘箱、空调、制冷等领域。

To overcome these two deficiencies in the existed system, the back electromotive force shape function method is proposed to realize the real time calculation of phase voltage and make the estimation of torque easer.

最后给出的仿真与实验结果证明了反电势形状函数法用于无刷直流电机直接转矩控制中的可行性与有效性。

In the predicted process, the forward simplification is used to get the interface equation, meanwhile taking the voltage of the concentrated grid as control vector to solve the control step length; in the correction process, by means of forward simplification and back substitution the Newton linearization incremental equations of both concentrated computational grid and contracted nodes are solved alternately.

进行计算时，通过前向简化形成预估环节的接口方程，同时以浓缩网络的电压为控制电压向量求出控制步长；校正环节通过双向迭代方法交替实现对浓缩网络和收缩节点的牛顿法线性增量方程的求解。

Further more, by using the "current forward and voltage backward updating" power flow solution for distribution networks, the convergent speed of power flow is accelerated and the restoration plan can be fast gotten.

并且结合电流前推/电压回代法计算配网潮流，大大加速了潮流计算的收敛速度，能快速得到候选恢复方案集。

These low-voltage cards are backwards compatible with older RS-MMC devices.

这些低电压卡与旧的 RS-MMC 设备后向兼容。

In recent years, high voltage direct current system is rapidly developed, but harmonic pollution is produced and becomes badly, harmonic measurement by true is the precondition and sticking point of restraining harmonic.

近些年来，高压直流输电得到了快速的发展，电网的谐波污染也日趋严重，实时、准确地测量谐波电流信号是有效抑制谐波电流的前提与关键。

In principle this standard is a self developed automatic balance bridge,in which its resistance arms can be changed automatically,and is used for the calibration of the RF voltage.

我国于1980年建成射频电压基准[1]，20多年来，它在保证射频电压计量器具的量值准确和统一的工作中做出了宝贵的贡献。

Bridge balance circuitry is designed to eliminate the voltage drop while the variable current injected into the electrode.

桥平衡电路用来消除命令电流流过串联电阻时带来的电压误差。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。