In the practice of analyzing and designing of relay-contactor circuits, the critical-competition phenomenon is usually ignored, causing failures in reaching the intended purpose or even damages.
在分析和设计继电器-接触器控制电路时，往往忽视临界竞争现象，结果造成电气控制达不到预期目的，甚至造成事故。
The article analyses control circuit of relay contactor in electric circuit experiment and puts forward to control it with logic function.
对电路实验中继电接触器控制线路进行了研究分析，并提出由逻辑函数实现其控制的方法。
This paper introduces the fault restoration of sensor, relay, contactor and electromotor of imported textile machines and the production practice of substitution of the devices made in China.
介绍了进口纺织设备上传感器、继电器、接触器、电动机等电气器件的修复和国产化替代方面的生产实践。
Temperature relay tests temperature of motor, if it exceeds rating temperature to send a signal, contactor cut off main circuit to complete protection of motor.
温度继电器检测电动机温度，超过额定温度发出信号，接触器切断主电路，完成电机保护。
The joints of control bypass contactor passive relay output points;
控制旁路接触器的接点是无源继电器输出点；
The original K - F - D system was replaced by SCR - D system for main transmission, while PLC was substituted for the original relay contactor control mede.
即主传动系统由SCR-D取代原K-F-D系统，电控部分用可编程序控制器PLC取代原继电器-接触器控制方式。
By linking the DC relay contactor with power electronic device, the DC hybrid switch apparatus without switching arcing was designed and accomplished.
采用直流开关电器与电力电子器件相结合方式，设计并实现了能够实现无弧通断的直流混合开关电器。
In this paper, the electrical contact reliability of relay and contactor and the data-processing of reliability test have been studied.
本文对继电器与接触器的接触可靠性及试验数据的处理进行了深入研究。
Use relays, contactor, button, air switch and travel switch etc low-voltage constitute control circuit called relay contact control circuit.
使用继电器、接触器、按钮、空气开关、行程开关等低压电器构成的控制电路称为继电接触控制电路。
The utility model belongs to a welding holder type controller used for controlling the on-off of a welder, mainly comprising a transformer, a contactor, a relay and a switch indicator circuit.
本实用新型属于一种控制焊机启闭的焊把式控制器，其主要由变压器、接触器、继电器、开关指示电路所组成。
Built-in ac contactor, thermal relay and universal self-reset converting switch.
内装交流接触器，热继电器，自复位万能转换开关等。
The control circuit controls the water drainage mechanism using a relay and a contactor by the water level detection signal.
控制电路通过水位检测信号，利用继电器和接触器控制排水机构。
The controller case includes stepping motor, self-coupling voltage regulator, alternating-current contactor, relay and micro-transformer.
控制柜主要包括步进电机、自耦调压器、交流接触器、继电器以及微型互感器等。
The operational features and the fault modes of contactor relay were analyzed.
分析了接触器式继电器的工作特点和失效模式。
The operational features and the fault modes of contactor relay were analyzed.
分析了接触器式继电器的工作特点和失效模式。
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