查询词典 starting voltage

It has fine soft starting characteristic and strong over load capability, starting voltage can adjust auto pass function.

具有良好的软启动特性和很强的过负荷能力，启动电压可调及自动旁路功能。

The cause of generating the starting voltage of theservomotor h...

因而探讨始动电压的成因，从而使其降低到尽可能小的程度，将是十分感兴趣的。

Next, in a third interval, the voltage is lowered in a short time from the second voltage to a third voltage no more than the starting voltage.

接着，在第三区间中，电压在短时间内从第二电压下降到比启动电压低的第三电压。

Then, in a second interval, the voltage is raised to a second voltage no less than the starting voltage and with an absolute gradient smaller than that for the voltage rise in the first interval.

然后，在第二区间中，电压上升至不小于启动电压的第二电压，并且电压上升的绝对斜率小于在第一区间中电压上升的绝对斜率。

By comparing traditional starting method of a motor,that is direct starting full voltage and reduction voltage to soft starting and analysing for them,this paper points to outstanding performance of soft starting technology in modern motor control.It is a new kind of technology to replace previous traditional starting method and has wide application in production and daily life.

通过对电动机的传统启动方式：全压直接启动、降压启动的简介及软启动技术的分析和对比，提出了软启动技术在现代电机控制中具有的卓越性能，它是替代以往传统启动方式的一项新技术，在工业生产和生活中有着极为广阔的应用前途。

In order to solve the problem of serious fluctuation of starting current in traditional control scheme, the author puts forward a new kind of starting method which can limit voltage value to achieve the goal of reducing fluctuation of the current by using zero voltage vector during the stage of starting.

文章分析了异步电动机直接转矩控制系统的工作原理及起动过程，针对传统控制方案存在起动电流波动严重的问题，提出一种通过在起动过程增加零电压矢量的方法限制电压值，达到减小电流波动的目的，对此进行了仿真研究，仿真结果表明该方法是有效的。

A kind of starting circuit for small power electro nic ballasts is proposed. It can provide sufficiently high starting voltage for the lamp's start.

摘 要：设计了一种小功率电子镇流器起动电路，该起动电路在起动时，能为灯提供足够的起动电压将灯点亮。

For the single-LED circuit of Figure 3, the starting voltage of the MAX1685 defines the input range, which goes as low as 2.7V.

对图3的单LED电路，MAX1685的启动电源决定了输入范围，最低到2.7V。

In this paper, according to the theory of electromagnetic fields, firstly, electromagnetic field of large and medium asynchronous motor is calculated from the angle of coupled fields, secondly, the end voltage of the stator is taken as constraint condition and starting current in stator is iterated in the numeral computation process, finally starting current and starting torque at rated voltage are gained, and by comparing calculation results with test results ,starting performance of large and medium asynchronous motor meet the demand of project practice.

本文根据电磁场理论，从耦合场的弱耦合角度首先计算了大中型异步电动机的电磁场，在电磁场的数值计算过程中，以定子端电压为约束条件，对定子起动电流进行了迭代计算，得到了额定电压下的起动电流和起动转矩，并把正弦时变场计算结果与实测结果进行对比，表明大中型异步电动机的起动性能的计算结果满足工程实际的需要。

The following functions can be realized: Measuerment:the effective values of three phase current and voltage, power frequency, active power, reactive power, power factor etc. Motor control: direct starting, converse starting, star and triangle starting, self-starting. Protection:thermal overload protection, current leakage protection, open-phase protection, three-phase unbalance protection, over voltage protection, loss voltage protection, low load protection and fault warning and fault dates memory. Communication: communication of the computer in control room and the microcomputer monitor in the spots is realized by the interface of RS-485. The motor is not only controlled in the spots but also in control room. The dates, information and some functions are shared by the spots and control room too.

该电动机监控器以80C196KC单片机为核心，通过采样三相电流﹑电压信号来实现以下功能：三相电流﹑电压有效值，电网频率，有功功率，无功功率及功率因数等的测量；对电动机实现直接、正反转、星三角及自起动控制；对电动机实现热过载、漏电、断相、三相不平衡、过压、欠压及轻载保护，对故障进行报警及数据记忆；通过RS-485串行接口与中央控制室计算机实现通信功能，对电动机既可本地，也可远程控制；实现控制现场与控制室之间数据、信息、功能共享。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。