SY150监控保护装置使用说明书(1)

SSYY115500监监控控保保护护装装置置使使用用说说明明书书((VV11..0000))深圳市森源电力技术有限公司SY150监控保护装置使用说明书1目录1.装置概述....................................................................................................................31.1应用范围················································································31.2功能特点················································································32.技术性能指标............................................................................................................42.1工作环境条件··········································································42.2电气技术参数··········································································42.3绝缘性能················································································52.4抗电磁干扰性能·······································································62.5机械性能················································································63.选型说明....................................................................................................................84.功能配置....................................................................................................................94.1大电流闭锁跳闸·······································································94.2相电流两段定时限保护······························································94.3相电流反时限保护····································································94.4过电压保护············································································104.5低电压保护············································································114.6零序定时限过流保护································································114.7零序反时限过流保护································································114.8一次重合闸············································································114.9PT断线报警············································································124.10过负荷保护···········································································124.11非电量保护···········································································124.12开关量输入···········································································124.13事件记录··············································································12SY150监控保护装置使用说明书25.结构安装与接线......................................................................................................145.1结构和安装············································································146.装置参数设定说明..................................................................................................176.1系统参数···············································································176.2定值参数···············································································187.人机界面操作..........................................................................................................207.1信号指示灯············································································207.2轻触小键盘············································································207.3汉字液晶···············································································20SY150监控保护装置使用说明书31.装置概述1.1应用范围SY150监控保护装置主要是针对环网柜系统应用而开发。它具有相间电流速断、过流、三种动作特性曲线的反时限过流保护、零序过流保护、重合闸、过电压、低电压保护及非电量保护跳闸功能，还具有多电量测量、遥控、遥信等监控功能。1.2功能特点SY150监控保护装置采用高集成度、总线不出芯片的微处理器处理来自电流、电压互感器的信号，通过数字逻辑运算控制装置的输出。装置结构紧凑，密封机箱，免维护设计，抗干扰性能好，非常适合于运行环境较为恶劣、安装位置有限的环网柜系统。整机采用极低功耗设计技术，保证保护功能在任何条件下可靠快速启动。装置结构简单小巧，安装方便灵活，适合环网柜的紧凑安装条件。保护配置灵活齐全，各种保护功能均可以通过控制字自由投退。三种IEC标准反时限曲线选择的相间反时限过流保护。具有完善的测控功能，可以测量电压、电流、有功功率、无功功率、视在功率、功率因数等电气参数；提供专门的遥控继电器实现遥控功能；具有7路开关量输入回路。采用全中文液晶显示界面，多层菜单显示，人机界面极为友好。装置大容量的非易失存储器保证记录100次历史事件记录，记录内容详细，掉电不丢失数据。装置具备完善的动静态自检功能，在线监视装置各部分工作状况，保证了装置的工作可靠性。高精度元件及工艺保证装置的精确性、可靠性及长久的使用寿命。装置提供RS-485通讯总线接口，并向用户提供开放的通讯协议，方便实现SCADA功能。SY150监控保护装置使用说明书42.技术性能指标2.1工作环境条件2.1.1环境温度：工作温度-20°C-60°C存储温度-40°C-85°C2.1.2相对湿度：5%-95%2.1.3大气压力：70KPa-110KPa2.1.4海拔高度：不大于3500m2.2电气技术参数2.2.1额定数据:交流电压：100V或220V交流电流：5A或1A频率：50Hz/60Hz电源：AC220（110）V，±20%DC220（110）V，±20%DC48V，±20%DC24V，±20%2.2.2过载能力：电流回路长期运行------2In10s--------------10In1s---------------40In2.2.3功率消耗：电源功率不大于5W交流输入回路不大于0.5VA/路2.2.4测量范围：电压0.01Un-2Un电流0.1In-20In零序电流0.01A-10A2.2.5测量精度：电压0.5%电流0.5%零序电流0.005A保护整定范围：电流0-20In级差0.01ASY150监控保护装置使用说明书5电压0-2Un级差0.1V时间0-600S级差0.01S2.2.6保护动作时间：在1.5倍定值下所有保护固有动作时间不大于35ms2.2.7开入回路：电压类型可定制，电流消耗2mA2.2.8开出接点：触点可连续通过DC220V，5A电流2.2.9通讯接口：RS-485，背后端子总线接口，为可选配置2.3绝缘性能2.3.1绝缘电阻序号试验部位试验要求备注1交流回路对地绝缘电阻100兆欧用开路电压1000V遥表测2交流回路和电源回路之间3电源回路对地4开关量输入回路对地5开出回路对地6开关量输入和开出回路之间2.3.2介质强度序号试验部位试验条件试验要求1电源回路对地在正常试验大气条件下，装置承受特定电压（2项1000V，其余2000V）历时1分钟的工频耐压试验，被试回路施加电压时，其余回路等电位互连接地无击穿闪络及元件损坏情况2通讯回路对地3交流回路对地4交流回路和电源回路之间5开关量输入回路对地6开出回路对地7开关量输入和开出回路之间SY150监控保护装置使用说明书62.3.3冲击电压序号试验部位试验条件试验要求1交流回路对地在正常试验大气条件下，装置承受1.2/50us的标准雷电波的短时冲击电压试验，开路试验电压5KV无击穿闪络、绝缘损坏及元件损坏情况2交流回路和电源回路之间3电源回路对地4开关量输入回路对地5开出回路对地6开关量输入和开出回路之间2.3.4耐湿热性能装置应能承受GB/T2423.9规定的恒定湿热试验。实验温度+40℃±2℃，相对湿度（93±3）%，试验时间48h。在试验结束前2h内根据2.3.1的要求，分别测量各回路间的绝缘，电阻应不小于1.5MΩ;介质耐压强度不低于2.3.2规定的介质强度试验电压幅值的75%。2.4抗电磁干扰性能2.4.1静电放电抗干扰度通过GB/T17626.2-199