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1·Compared with conventional electric relay control system, PLC control can run more safely and reliably, and can be operated more practicality, simply and conveniently.

运行安全可靠，操作实用简单方便，PLC控制具有常规继电器控制所不具有的优越性。

2·By single chip computer control of counter automatically generate tong 1 second stop 4 seconds of signal, make no. 5 relay output drive electric horn turns electrify.

由单片计算机控制的计数器自动产生通1秒停4秒的信号，使5路继电器输出带动电喇叭轮流通电。

3·A discussion on the reliablilty of static relays is made in this thesis , because some new problems have arisen after static relays are applied on the relay protection of electric system .

讨论了静态型继电器应用于电力系统继电保护后，在可靠性方面出现的一些新问题，分析了产生这些问题的原因，并提出了继电器选型、产品失效预测方面的建议。

4·It is recognized that the gas density relay can reflex the gas density in gas insulated electric equipment correctly and the pressure relay cant do the same.

一般认为气体密度继电器可以正确反映气体绝缘电气设备的气体密度，而压力继电器则不能。

5·The RC loop parallel with the card formed an electric circuit on the series relay coil to excite the coil and make the contact maloperate.

为此，提出了在继电器两端并联一个电阻器或者电容器的改进方案，使其起到降低输出继电器两端激励电压的作用。

6·Electromagnetic relay is an electric component which can be used widely, there are thousands of factories that produce various relays in China.

随着电磁式继电器的应用领域越来越广泛，我国生产该产品的企业现在已有千余家。

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

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。

8·The invention provides a relay electric arc testing method and a simulated relay electric arc testing method.

提出了一种继电器电弧试验方法和一种模拟继电器电弧试验方法。

9·The disjunction electric arc testing method for the switching electric appliance contact and the device thereof comprise relay electric arc testing and simulated electric arc testing.

本发明一种开关电器触头分断电弧试验方法及其装置，包括继电器电弧试验和模拟电弧试验。

10·After a preliminary examination to know. Gray electric hydraulic pump for the ABS relay, the red relay for the ABS solenoid valve. Is one of the most common power supply ABS system.

经过初步检查得知。灰色的为abs液压电动泵继电器，红色的为abs电磁阀继电器。是一种最常见的ABS系统的供电方式。