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当前,电气工程的规模在科学技术不断发展以及社会不断进步的形势下日趋扩大,数量也越来越多,其中自动化低电压设备的使用较为普遍,然而受限于许多因素的影响,低电压设备在实际运用当中难免会出现这样那样的故障,对电气工程的顺利进行形成了阻碍,因此必须运用有效措施实施保护,而在自动化低电压设备保护当中,继电器成为了首选设备,这得益于继电器的功能特性十分良好。为此,本文着眼于继电器的工作原理和作用,从继电器的常用类型出发,对其在电气工程和自动化低压电器当中的具体应用做一些探讨。
At present, the scale of electrical engineering is expanding and increasing in number with the continuous development of science and technology and the progress of society. Among them, the use of automatic low-voltage equipment is more common. However, due to many factors, low-voltage equipment In practice, it is inevitable that such faults will inevitably hinder the smooth progress of electrical engineering. Therefore, effective measures must be taken to implement the protection. In the context of automatic low-voltage protection, the relay has become the preferred equipment due to the relay The functional characteristics are very good. Therefore, this paper focuses on the working principle and function of relays, starting from the common types of relays, and discusses some of its applications in electrical engineering and automation of low-voltage electrical appliances.