GKLP智能电压监测装置.pdfVIP

智 能 电 压 监 测 装 置 使 用 说 明 书 上海合凯电力保护设备有限公司 目 录 一、产品概述············································································1 1 概述················································································1 2 功能及特点····································································2 3 装置正面效果图····························································3 4 工作原理········································································4 二、操作说明············································································5 三、使用环境··········································································10 四、装置端子接线图······························································11 五、安装尺寸··········································································13 六、通讯规约··········································································14 一、产品概述 1. 概述 智能电压监测装置将微机技术用于电网电压 监测报警和远程遥信，利用计算机快速、准确的数据 处理能力实现故障报警等功能。通过对系统电压采集， 准确的辨别出：过压故障、低压故障、失压故障、接 地故障、断线故障和谐振故障。 本装置对电力系统的运行故障均准确判断，动 作迅速，较完善地实现了监测保护等功能，并能实时 记录发生的故障以及故障发生的时间。本装置可广泛 应用于发电厂、变电站及钢铁、煤炭、石油化工等大 型厂矿企业的电力系统。 1 2. 功能及特点 � 模块化设计，结构紧凑，高速DSP核处理器使 运算实时性和动作准确性得以保证； � 实时监控系统状态，对出现的异常运行状态做 出准确判断，并作出及时动作； � 工业标准的RS-485通讯接口，可以向上位机传 送系统的运行状态； � 故障追忆功能，显示最近20次历史故障记录； � 具有良好的电磁兼容性，适合在强电磁干扰的 复杂环境中应用； � 双硬件看门狗电路确保软件运行的可靠性； � 中文液晶显示，运行状态清晰，菜单式操作， 方便易用。 ２ 3．装置正面效果图 信号灯及按键说明： � 运行： 正常运行指示灯，闪烁频率1Hz; � 报警： 故障指示，系统正常运行后熄灭； � 通讯： 远方遥信，指示灯闪烁； � ←↑↓→：菜单选择和参数调整按键； � 确认： 进入下级菜单和确认参数设定按键； � 取消： 返回上级菜单和取消参数设定按键； � 复位： 系统重新启动按键。 ３ 4．工作原理 智能电压监测装置是基于电压互感器提供的电压 信号而设计的产品。装置总体结构如下图所示：主要 由微机处理