查询词典 high voltage

With the merits of space vector modulation: digitized control,harmonic decrease,high ratio of voltage used,fast dynamic response and so on,and at the same time deadbeat and DSP control is introduced, as well as two-loop control of the system,we gained power factor is near unit and current THD is well below 10% in our digitized arc welding power system.

基于空间矢量脉冲宽度调制技术的易于数字化、可降低谐波、电压利用率高、动态响应快等特点，引入无差拍思想、总体系统的双环控制思想和DSP控制，实现了功率因数为1，电流谐波畸变远小于10％弧焊电源系统的数字化。

Compared to perturbation method, the influences of many factors on voltage stability margin are considered and Hessian matrix of control parameters is not necessarily calculated. The method has high calculation speed and accuracy.

相对于摄动方法而言，该方法将各种因素对于电压稳定域的影响考虑在内，且不需要求取控制参数的海森矩阵，具有计算速度快、精度高的特点。

Our main products: low-voltage high-blown film, polypropylene blown film machine, since the convex deduction bag blown film machine, two of the three-tier co-extruded film production lines and all kinds of shrinking film-blown film and all kinds of bag -, Two products are included in the 1996 and 2001 in Zhejiang Province Office of Science and Technology Industrial new product projects.

我司主要产品有：高低压吹膜机、聚丙稀吹膜机、凹凸自扣袋吹膜机，二三层共挤复合薄膜生产线和各种热收缩膜吹膜机及各类制袋机，其中两项产品分别列入1996年和2001年浙江省科技厅工业新产品项目。

Because of the increased voltage power transmission, high-power transmission is possible.

由于输电电压的提高，更大功率的输电成为可能。

This paper studies depression in the hot cathode glow discharge PCVD method of diamond films influence in the process, mainly from two aspects of research: a study of the process of discharge pressure of the impact of that pressure on the technology, the impact of state discharge , as well as pressure and discharge voltage of the relationship between the two, and experiment with different pressure, relative to the preparation of samples, and using Raman instrument and SEM analysis of the quality of the film, by comparing the different types of gas pressure on the quality of diamond films, summed up the most good gas pressure parameters of a high-quality diamond films.

本文研究气压在热阴极辉光放电PCVD方法制备金刚石膜过程中的影响，主要是从两个方面进行研究：一，研究制备过程中气压对放电的影响，得出气压对工艺，放电状态的影响，以及气压和放电电压的关系；二，采用不同气压进行实验，制备出相对应的样品，并用Raman和SEM等仪器对膜进行质量分析，通过对比不同气体压强对金刚石膜质量的影响，总结最佳气体压强参数，制备出高品质金刚石膜。

The current is set at a voltage just high enough to immobilize the birds and to promote bleedout without hemorrhage.

电流是定在刚刚可以麻痹这些鸡只和促进放血而不导致其内出血的程度。

A simple constant voltage and constant current charger has been improved, the state of float charger has been added to the charger in order to guarantee the full charge of battery safely, with high charge speed.

本论文对一种简单实用的恒压恒流充电器进行了改进，在恒压恒流充电的基础上加入了浮充状态，从而保证了蓄电池的满充；同时对充电器的功率电路和控制电路进行了详细的设计，并且给出了实验结果。

One of these testing methods, eddy current, has been widely used for metal thickness measuring because of its good sensitivity, high test speed , non-contact and other advantage. The principle of eddy current testing is that, when the test coil is close to the metal conductor with alternating current, the eddy current would be inducing in the conductor, and correspongdingly, the eddy current would affect the original magnetic field, the result is the coils impedance and inducing voltage changed.

其中涡流无损检测技术具有灵敏度高、检测速度快、非接触等特点而广泛应用于金属厚度检测，它的原理是当载有交变电流的检测线圈靠近金属导体时在导体中产生涡流，该涡流又影响原磁场，使得线圈的阻抗和感应电压发生变化，通过分析阻抗或感应电压的变化来获得被测导体的信息。

Because the mutual inductance of Rogowski coil is very small, the induced voltage is so feeble that it is very difficult to measure the small current accurately. So this paper adopted the new materials to make the high precise and mutual inductance Rogowski coil with new method.

鉴于目前 Rogowski 线圈的互感系数低，感应出的电压信号极其微弱的缺点，本课题采用新型材料并以新的制作方法研制出高互感系数、高精度 Rogowski 线圈。

Measurements from voltage sources with high internal resistance are subject to a number of errors, such as loading errors from the voltmeter's input resistance and input bias current, as well as from external shunt resistance and capacitance.

对高源内阻电压源的测量容易产生几种误差，诸如：电压表输入电阻和输入偏置电流以及外部分流电阻和电容引起的负载误差。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！