Switching Transient Regime of Shunts Release from a Low Voltage Circuit Breaker Commanded by a PLC

2019 International Conference on Electromechanical and Energy Systems (SIELMEN) Pub Date : 2019-10-01 DOI:10.1109/SIELMEN.2019.8905865

B. Hnatiuc, M. Borta, M. Hnatiuc

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引用次数: 3

Abstract

Modern automatic circuit breakers are provided with electronic modules, special coils and geared motors. These components allow remote reading and remote control of the devices that are included in local or national power distribution systems. The data transfer is made via industrial protocols. This work proposes the operation of the automatic circuit breaker with a PLC. The charging of the spring, the closing and the opening of the main contacts are accomplished by means of electromagnetic relays controlled by the PLC under certain conditions and at certain times. The relays control a DC motor and respectively the corresponding DC coils of shunt opening release and shunt closing release. Communication of the PLC with a PC is made via the RS232 serial port, which allows viewing on PC screen the status of the main contacts and of the charging spring. The paper presents both the operating mode of the software implemented on the PLC and the transient regimes of the coils for each individual operation of the automatic circuit breaker.

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PLC控制的低压断路器分流器释放的开关暂态状态

现代自动断路器配有电子模块、专用线圈和减速电机。这些组件允许远程读取和远程控制包含在地方或国家配电系统中的设备。数据传输是通过工业协议进行的。本文提出了用PLC控制自动断路器的操作方法。弹簧的充注、主触点的闭合和开断是由PLC控制的电磁继电器在一定条件下、一定时间内完成的。继电器分别控制直流电机和相应的分路开放和分路合放直流线圈。PLC通过RS232串口与PC机通信，在PC机屏幕上可以看到主触点和充电弹簧的状态。本文介绍了在PLC上实现的软件的运行模式和自动断路器每次单独运行时线圈的暂态状态。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2019 International Conference on Electromechanical and Energy Systems (SIELMEN)

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