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1·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。

2·Contactor can be easily retro-fitting auxiliary contact group, and appropriate combination of thermal relay to protect the load that may have been circuits.

接触器还可方便地加装辅助触头组，和适当的热继电器组合，保护可能发生过负载的电路之用。

3·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。

4·Introduction was made to the key test items and technical requirements of contactor type relay reliability research.

介绍了接触器式继电器町靠性研究的重点试验项目及技术要求。

5·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。

6·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。

7·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。

8·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。

9·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。

10·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。