这种接触结构体积小，能有效减小回路电阻，降低温升。
The contact structure has small volume, and is capable of effectively reducing circuit resistance and reducing temperature rise.
与传统的测试方法相比高压断路器回路电阻测试仪的特点是：测试精度高、试验速度快。
Comparing to the traditional method this device has high testing accuracy and high testing speed to fit the testing requirement.
本文提出了绕线式感应电机转子回路电阻的斩波调节原理，设计了双环调速系统，并进行了计算机辅助设计和仿真研究。
This paper presents a chopper adapting principle of rotor's resistance of induction motor, develops a two loops speed governing system, and gives computer simulation results.
回路电阻是影响断路器运行质量的基本要素之一，通过分析断路器回路电阻值超标的原因，可有效提高设备安全运行的可靠性。
Through analysis of causes of excess circuit resistance values of the disconnector circuit, it may increase safe operation effect of the devices.
该方法是通过调节转子回路附加电阻的有级调速，难以实现平滑地调速，而且调节性能差，调速过程中大量的转差功率通过转子回路电阻转化为热能消耗掉了。
This method regulates speed by changing the number of steps of the additional resistor in the rotor circuit, so it's hard to realize smooth speed-regulation, also its performance is poor.
为了使375现场通讯器正常工作，HART回路中必须至少存在250欧姆的电阻。
In order for the 375 Field Communicator to function properly, a minimum of 250 ohms resistance must be present in the HART loop.
据此仿真模型，进行了并励直流电动机的直接起动、降压起动、电枢回路串电阻起动的实例仿真实验，给出了有关仿真结果。
Then the model is applied to simulate the direct start-up process, the reduced voltage starting process and the starting process with series resistance in the armature circuit.
计算的准确度取决于指数波发生器的准确度，而后者和电阻、电容的准确度和回路的杂散电感有关。
The calculation accuracy depends on the accuracy of the exponential wave generator, which is associated with the accuracies of resistor and capacitor and the stray inductance in the generator circuit.
此外在所述感性单元和容性单元的串联回路中串入一可调电阻，实现对工作频率阻抗的精细调整。
In addition, an adjustable resistor is connected in series in the series loop of the sensing unit and the inclusive unit to realize the fine regulation to the power frequency impedance.
本文首先简述了脉冲放电回路中三电极火花间隙的工作原理，并推导出其电阻的表达式。
In this paper, the work principle of spark gap with three electrodes in pulsed circuit is presented briefly and then the expression of its resistance is given.
介绍了钳形接地电阻测试仪的测试原理，即在测量时必须要有一个供电流流过的有效的闭合回路。
It describes the measure principle of the clamp grounded resister tester, that is, a effective close loop for current flow is necessary when doing the test.
分析了轴电压吸收回路以及接地碳刷与大轴间接触电阻对发电机转子接地保护的影响，并分别提出了相应的对策和注意事项。
This paper analyzes the influences of shaft voltage absorbing circuit and brush touching resistance on the performance of generator rotor earth fault protection.
绕线式异步电机采用转子回路串电阻调速广泛应用于我国工矿企业的提升机电控系统。
Wound-rotor induction motors that adjust speed by connecting resistors in series to rotor circuit have been easily found in the electrically controlled systems of shaft hoist.
该电流值受回路对地的接地泄漏电阻限制。
The value of this current is limited by earth leakage resistance of the return circuit versus earth.
阻尼电阻r 6：对火花放电电流起缓冲作用，并阻尼高压输出回路中lc分布参数引起的寄生振荡。
Buffer resistance R6: playing buffer effect on spark discharge current and hindering. The parasitic vibration brought by LC distributing parameters of high-voltage output loop.
实践证明：按照上述原则设计的回路可用于对避雷器阀片、压敏电阻及浪涌保护器SPD进行冲击电流检测。
The fact shows that the designed circuits can be used in impulse current test for arrestors, varistors and SPD.
在焊接电源的充电回路中设计了三相桥式半控、恒流高效充电回路，取消了限流电阻；
A three phase half controlled bridge circuit with constant current and high efficiency is designed in the charged loop of the welding power supply. So a limiting current resistance is canceled.
所述放电回路包括一放电二极管，该放电二极管并联于所述限流充电电阻两端；
The discharging loop includes a discharging diode connected to the current limiting charging resistance in parallel.
本文以测量回路中的接触电阻为例，讨论微小电阻的测量方法。
We regard the contact electric resistance of measuring in the circuit as an example in the text, and discuss method of measurement of small electric resistance.
分析中考虑了定子电阻及换相期间反电势变化的影响，指出了忽略定子电阻后对分析的精确度带来的影响及主回路设计时所应注意到的一些问题。
The effects on accuracy of analysis and the problems that should be considered in the design of inverter circuit after neglecting the stator resistance are indicated.
当电路出现故障使回路电流增大时，过载保护PT C热敏电阻的电阻值因自热温升而出现阻值阶跃，直至把电路切断。
When the circuit breaks down and the return circuit current increases, the resistance of restricting overloading protection PTC Thermistor goes up sharply for being warm, until the circuit is cut off.
该原理通过消去变压器回路方程中直接体现主磁通的非线性项，构造了仅含漏电感和绕组电阻的二端网络。
On basis of transformer loop equation, a novel principle of transformer protection using equivalent instantaneous leakage inductance is presented.
电阻焊机；焊接回路；接触电位差； 接触电阻；
Resistance welder Welding circuit Contact potential Contact resistance;
本文以常规电阻工业加热炉为背景，设计了一个基于DSP的多回路温度控制器。
In this article, taking routine resistance industry heating furnace as the background, we design a multi-route temperature controller based on DSP chips.
本文以常规电阻工业加热炉为背景，设计了一个基于DSP的多回路温度控制器。
In this article, taking routine resistance industry heating furnace as the background, we design a multi-route temperature controller based on DSP chips.
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