Base on the control characteristics of the ac resistance spot welding, a spot welding intelligence control system based on DSP is designed.
针对交流电阻点焊的控制特点，研制了一套基于DSP的点焊智能控制系统。
A new method of on line measuring ac resistance at the joint of high voltage transmission line and its practice of soft ware and hardware are described in this paper.
介绍了一种高压输电线接头处交流电阻在线测量的原理、方法及软硬件的实现。
They provide system security and immediate reliable low level ground fault detection on three-phase AC resistance grounded or grounded electrical distribution systems.
此类继电器能够增加系统安全性，并对三相交流接地电阻或接地配电系统进行可靠的低级接地故障检测。
Ac resistance of cable conductor is an important factor to calculate the ampacity of cable bundles, and proximity effect factor is an important parameter to affect ac resistance.
在计算电缆群载流量时，交流电阻是一个重要的参数，其中邻近效应是计算交流电阻的一部分。
Because of high-frequency effects (namely skin effect and proximity effect), the current flowing through those windings may be not equally divided among them, resulting in high ac resistance.
由于电磁场的高频效应(集肤效应和邻近效应)，可能导致电流在各并联绕组层中不均分，产生较高的交流电阻。
Current compensation superconducting fault current limiter is a novel topology of FCL which consists of an equivalent AC current source with a limiting resistance in parallel.
电流补偿型超导限流器是一种新型的限流器拓扑，它由等效电流源、限流电阻并联后通过连接变压器串联入电力系统。
This paper presents a kind of direct torque control with a stator resistance estimator for an AC motor speed-governing system based on fuzzy logic control.
介绍一种基于模糊控制理论的定子电阻辨识器的直接转矩控制交流电机调速系统。
But under fault condition, the system current is greater than the current of equivalent AC current source and the limiting resistance take effect immediately.
故障后，系统电流值远大于等效交流电流源值，限流电阻立刻自动投入限流。
Introduces a ha algorithm (harmonic analysis) for solving an AC nonlinear resistance circuit by means of some typical nonlinear resistance elements.
通过若干典型的非线性元件，介绍了求解交流非线性电阻——线性电容电路的算法，即谐波分析法。
Meanwhile, a slight AC component was added to excitation current to decoupling speed estimation and rotor resistance.
同时，为了使转速估计和转子电阻的辨识解耦，在励磁电流处叠加了小幅交流分量。
China's mines are hoist AC Induction Motor Drive, and its electrical control system uses a rotor series, cutting speed resistance , by the relay - contactor control devices constitute a logical.
我国矿井提升绞车大多是采用交流异步电机拖动，其电气控制系统采用转子串、切电阻调速，由继电器-接触器构成逻辑控制装置。
After comparing and analyzing several conventional insulating resistance measuring method such as AC method, DC creepage method and so on, their shortcomings in use are pointed out.
对直流系统常用的几种接地电阻测试方法如交流法、直流漏电流法等进行了比较分析，指出了它们在使用中的缺点。
This paper introduces the characteristic and principle of water resistance soft-start technology and points out it can satisfies the starting of high-voltage large power ac motor.
介绍了水电阻软启动装置的工作原理及特点，应用其可满足大功率交流电机启动的要求。
G different speed in the turbine, generator rotor measuring resistance around the insulation resistance and AC impedance, power consumption.
g在汽轮机不同转速时，测量发电机转子绕阻的绝缘电阻及交流阻抗，功率消耗。
By reducing the resistance of gate-circuit, the gate current reaches 5 mA sooner, and the SCR fires earlier in the ac cycle.
通过减小栅极电路的电阻，栅极电流达到5毫安越早，和SCR之前在AC周期闪光。
Based on the method of linear polarization, AC impedance and time potential, it is studied that the properties of seawater corrosion resistance of rebar in normal concrete and fly ash concrete.
应用线性极化法、交流阻抗法和时间电位法等电化学方法对普通混凝土和掺粉煤灰混凝土中钢筋耐海水侵蚀性能进行了研究。
No requirements regarding insulation resistance are stipulated in GB36671997 The Capacitors for ac Motors.
在GB 3 667 - 1997《交流电动机电容器》标准中对绝缘电阻无专项要求。
Several electrochemical determination methods to test the corrosion resistance of coated metals were described, such as DC resistor, AC resistor, potential time and charging curve.
叙述了涂层金属耐腐蚀性的几种电化学测定方法，例如直流电阻法、交流阻抗法、电位时间法、充电曲线法。
Ac load bank has kinds of specifications and series, and include resistance, inductive and capacitive load.
交流负载箱有各种规格，系列齐全。有纯阻性负载或阻性、感性、容性负载。
The increased internal resistance within an improved zero indicator helps increase the sensitivity of the AC bridge and thus can be available for any type of capacity bridge and induction bridge.
示零器电路改进后的交流电桥，增大了示零器电路的内阻，提高了交流电桥的灵敏度，对任何形式的电容电桥、电感电桥都适用。
This paper presents a method of the lead-acid battery internal resistance measurement based on AC impedance method.
给出了一种基于交流阻抗法的铅酸蓄电池内阻测量方法。
The cipher design combines the wide trail strategy and bit-slice technology that ensure the resistance AC against differential and linear cryptanalysis.
AC分组密码的设计结合了宽轨迹策略和比特块技术，以确保算法对差分密码分析和线性密码分析的安全性。
A generator system that includes a three-phase ac machine and an active rectifier bridge employing low on-resistance MOSFET switches for converting the ac current from the machine to a DC current.
高效发电机。一种发电机系统包括三相ac电机和应用低导通电阻MOSFET开关的有源整流器电桥，用于将来自电机的AC电流转换为DC电流。
At the same oxidation voltage, the film's corrosion resistance prepaved by triangle wave oxidation is the best, followed by AC oxidation, DC oxidation is the worst.
在相同氧化电压条件下，膜层的综合性能以采用三角波形氧化最为优良，交流氧化次之，直流氧化最差。
Thereinto, in range of 0-1.1 V, both AC in the positive and negative electrode assemble as a symmetry structure via parallel connection which offer more capacitance and less internal resistance.
在0-1.1V电压范围内通过与炭材料负极组成并联回路提高电容器电容值并降低体系内阻。
The increased internal resistance within an improved zero indicator helps increase the sensitivity of the AC bridge and thus can be...
示零器电路改进后的交流电桥，增大了示零器电路的内阻，提高了交流电桥的灵敏度，对任何形式的电容电桥、电感电桥都适用。
The increased internal resistance within an improved zero indicator helps increase the sensitivity of the AC bridge and thus can be...
示零器电路改进后的交流电桥，增大了示零器电路的内阻，提高了交流电桥的灵敏度，对任何形式的电容电桥、电感电桥都适用。
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