通过电流

通过电流信号可以连接到计算机或PLC。

They can be interfaced via a current loop to a computer or a PLC .

SF6热导率高，允许通过电流大。

SF6 high thermal conductivity , allowing current big .

焊接电源采用PWM控制技术，通过电流反馈PI控制算法调节电源输出外特性。

In the power source , a PWM technology is adopted , the PI algorithm with current feedback is used to adjust the volt-ampere output characteristic of the power source .

通过电流电压（IV）特性和传输线方法（TLM）测量研究在n型GaN上淀积Ti/Al/Ni/Au电极形成欧姆接触的机制。

In this work , current voltage ( I V ) characteristics and transmission line method ( TLM ) are performed to investigate the formation mechanism of Ohmic contact of Ti / Al / Ni / Au to n type GaN .

要切换到压缩机，可以通过电流接触器开关，继电器或者双向可控硅来控制电流盒或者电路板。

Control electric box or circuit board with contactor , relay , or triac that switches to the compressor .

晶闸管属于大功率的半导体器件，决定其允许通过电流大小的标准之一是温度的高低。

Thyristor is a high - power semiconductor device , and the standard of its rated current is temperature .

电能的传输，电磁能量的互相转化都是在配电过程中通过电流的传输而传输的。

Transmission of electrical energy , Including the electromagnetic energy into each other through the distribution process by the current transmission .

根据整流器的数学模型通过电流重构可获得网侧电流，以实现无电流传感器控制。

The input AC current can be reconstructed from the mathematical model of PWM rectifiers in order to eliminating current sensors .

通过电流转移试验和仿真分析进行对比，确定出电流能够转移的原因和变化趋势，并确定仿真误差原因。

By the comparison of current transfer test and simulation analysis , the reason of current transfer and change trend are found .

稳恒磁场安培环路定理是磁场的重要场方程，它反映了磁场的涡旋性及磁场与电流的关系，给出通过电流的分布求解具有某种对称性系口均匀性磁场的途径。

The Ampere Circuital Theorem of stable magnetic field is an important field equation which reflects the vorticity of a magnetic field .

在磁泡薄膜上面的导体中通过电流，产生局部磁场梯度使磁泡传输。

The electric current passing through the conductor on the film of bubble generates a local magnetic field gradient to make the bubble propagate .

他需要某种可放在抽去空气的玻璃容器内，通过电流后能变热并发出光来的材料。

He needed something that would become hot and give off light when electricity passed through it in a glass container from which the air had been removed .

通过电流转速双环自抗扰控制器和自抗扰锁相环控制器两种模式之间的切换来实现无刷直流电机转子转速的快响应、低超调和高精度控制。

The fast dynamic response , low overshoot and high precision control for the permanent magnetic BLDCM was implemented by switching between the ADRC mode and the PLL mode .

本文通过电流注入法对某型直流固态继电器输入端与输出端的电磁脉冲损伤机制进行了实验研究，确定了两种失效模式。

The electromagnetic pulse ( EMP ) damage mechanism and failure modes are obtained for the input port and output port of solid state relays by current injection method .

电阻单位导体电压是一伏特通过电流是一安培时导体的电阻是一欧姆。

A unit of electrical resistance equal to the resistance between two points on a conductor when a potential difference of one volt between them produces a current of one ampere .

通过电流互感器的常用四种接线方式的评述，介绍它的应用以及运行中应注意的问题。

After analyzing the four kinds of wiring patterns of the current mutual-inductor , the author introduces its applications and presents the problems which should be paid attention to in the operation .

结果表明：电流和分光光度检测法测量出的漆酶酶活的浓度之间具有一个良好的线性关系，通过电流计时法检测出的电流的斜率所显示的相关系数为0.9835。

The results showed a good linear correlation between the current and the concentration of laccase activities measured by spectrophotometry , where the current slope was measured by chronoamperometry with a coefficient of 0.9835 .

本文比较了目前常用的故障检测方法，选择了通过电流突变量检测故障，并据此推导了故障检测延时公式，得出了检测延时与公式各参数的关系。

This article compares fault detection method used commonly , selects the current break arithmetic to detect fault , derives the formula of fault detection delay , obtains the relationship between detection delay and the parameters in formula .

数字双闭环控制通过电流环的无差拍控制实现对负载扰动的抑制，从而提高系统的动态响应速度，但由于没有实现电压的无差拍控制，稳态精度不够理想。

To restrain the disturbance of the load and achieve fast dynamic response , the current deadbeat control is introduced in digital dual-loop control . But the output voltage is not under the deadbeat control and the output precision is not good .

发动机扭矩与转速关系经验公式试验研究而焊接过程的保护、晶闸管单管导通保护、焊机外特性的控制等是通过电流和电压反馈的方式完成。

A Form of Outer Characteristic Curve M_e-n_e of Engine The protection of the solo phase SCR connection and the welding process as well as the control of the outer characteristic of the machine were realized by the voltage and current close loop feedback .

Matlab计算结果表明，通过脉冲电流注入法求解电缆传输函数是可行的，其正确性也得到了验证。

The calculated results by Matlab indicate that this method is feasible , and its correctness has been verified .

通过分析电流保护的特征，设计了一种新型的采用PLC为核心的电流保护装置。

This paper introduces a new current protective device based on PLC by analysis the character of the current protective .

Fe基纳米非晶丝通过脉冲电流获得Fe基纳米晶丝，可以改善其巨磁阻抗效应。

Fe-based Nanocrystalline Alloys wire can be obtained from amorphous wire by means of pulse electric current so as to improve the giant magneto-impedance .

系统通过对电流和转速两个参数的实时采集和处理，实现了直流电动机的实时数字PWM控制，在运行中获得了良好的动静态性能。

By realtime measurement and treatment of motor speed and current , realtime digital PWM control of DC motor can be realized .

通过恒电流充放电测试、SEM与氢气析出实验等分析手段研究了负极分散剂对锌镍电池电化学性能的影响。

Constant current charge-discharge tests , SEM and hydrogen evolution experiment were used to study the effects of dispersant on the electrochemical performance of Ni-Zn battery .

在CMOS闸流晶体管概念的基础上，延时值可以通过控制电流在很大的范围内变化。

Based on a CMOS thyristor concept , the delay val - ue of the circuit can be varied over a wide range by a control current .

通过恒电流放电、XRD衍射、差热-热重实验以及环境扫描电镜等现代实验方法研究了合成条件与放电性能的关系。

The relationship between sintering temperature and discharge performance was studied using the dis - charge experiment with constant current , XRD patterns , TG-DTA and environmental SEM techniques .

通常有2种途径可以得到系统的零序电流：一是直接通过零序电流互感器（TA），二是将三相TA接成零序过滤器形式。

There are 2 ways to acquire zero-sequence current : One is to use zero-sequence TA , the other is to connect the 3-phase TAs to the zero-sequence filter style .

在实验过程中，通过调节电流和PVP的浓度得到了尺寸可控，粒径均匀，单分散性良好的钯纳米粒子，并用TEM等研究手段进行了表征。

Here we obtained well-dispersed Pd nanoparticles with controlled size , homogeneous size distribution by adjusting the applied current and the concentration of PVP , and characterize the stucture of them with TEM .

因此利用这个模型，可以通过探测电流的极大值点来确定系统具有最大纠缠和量子discord的时刻。

In this model , the time points of when the system gets to its maximal entanglement states can be deter-mined by the summits of the current .