ZL_YJBH2001.0707
RCS-985 系列 发电机变压器成套保护装置
技术说明书
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目
录
1. 概述.......................................................................................................................1 2. 保护功能配置及典型配屏方案 ................................................................................2 2.1 保护功能对照表 ................................................................................................2 2.2 发变组保护组屏方案 .........................................................................................6 2.3 配置说明.........................................................................................................13 3. 装置性能特征.......................................................................................................15 3.1 高性能硬件 .....................................................................................................15 3.2 保护新原理 .....................................................................................................15 3.3 智能化操作 .....................................................................................................17 4. 技术参数..............................................................................................................19 4.1 机械及环境参数 ..............................................................................................19 4.2 额定电气参数..................................................................................................19 4.3 主要技术指标..................................................................................................19 4.4 通信接口.........................................................................................................25 4.5 输出接点容量..................................................................................................25 4.6 电磁兼容.........................................................................................................25 5. 装置整体说明.......................................................................................................26 5.1 硬件配置.........................................................................................................26 5.2 通道配置.........................................................................................................27 5.3 装置起动元件..................................................................................................27 5.4 保护录波功能和事件报文 ................................................................................29 6. 保护原理..............................................................................................................30 6.1 发电机变压器组差动保护、变压器差动保护、高厂变差动保护、励磁变差动保护.....30 6.2 发电机差动保护、发电机裂相横差保护、励磁机差动保护...............................34 6.3 工频变化量比率差动保护 ................................................................................36 6.4 主变后备保护..................................................................................................38 6.5 发电机匝间保护 ..............................................................................................45 6.6 发电机后备保护 ..............................................................................................48 6.7 发电机定子接地保护 .......................................................................................50 6.8 外加电源式发电机定子接地保护 ......................................................................53 6.9 发电机转子接地保护 .......................................................................................55

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