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IZDJB-101A微机继电保护测试仪使用手册真真诚诚服服务务共共谋谋发发展展_____________________________________________________________________________________________2010.7武汉中电科威电气II目录第一章装置特点与技术参数·······································III第一节主要特点····················································IV第二节技术参数·····················································V第二章装置硬件结构·················································VII第一节装置硬件组成··············································VII第二节装置面板说明··············································IX第三章快速入门························································XI第一节试验注意事项··············································XI第二节开/关机步骤··············································XII第三节继电保护试验项目索引································XIII第四章软件操作方法················································XVI第一节软件安装及驱动安装····································XVI第二节交流试验··················································XIX第三节直流试验···············································XXV第四节频率试验···············································XXVII第五节同期试验··············································XXVIII第六节电流/电压试验········································XXXI第七节差动继电器··········································XXXIIIII第八节反时限过流继电器································XXXIV第九节中间继电器·············································XXXV第十节功率方向·············································XXXVII第十一节阻抗阶梯·········································XXXVIII第十二节零序保护···············································XLI第十三节整组试验···········································XLIII第十四节状态系列············································XLVII第十五节阻抗相位特性·······································XLIX第十六节精工电流···············································LI第十七节差动试验··············································LII第十八节谐波试验············································LXII第十九节工频变化量········································LXIII第二十节故障再现···········································LXIV第二十一节系统振荡···········································LXV第二十二节计量仪表······································LXVII第二十三节备自投试验····································LXVII新手指南······························································LXXIV附录A驱动安装说明···········································LXXIV附录BUSB通信常见故障排除··············错误!未定义书签。附录C装箱清单································错误!未定义书签。第一章装置特点与技术参数_____________________________________________________________________________________________2010.7武汉中电科威电气IV第一节主要特点1、满足现场所有试验要求。本仪器具有标准的四相电压,三相电流输出,电压125V/相,电流40A/相。三相并联可达120A。既可对传统的各种继电器及保护装置进行试验,也可对现代各种微机保护进行各种试验,特别是对变压器差功保护和备自投装置,试验更加方便和完美。2、各种技术指标完全达到电力部颁发的DL/T624-1997《继电保护微机型试验装置技术条件》的标准。3、经典的WindowsXP操作界面,人机界面友好,操作简便快捷;高性能的嵌入式工业控制计算机和8.4寸分辨率为800×600的TFT真彩显示屏,可以提供丰富直观的信息,包括设备当前的工作状态及各种帮助信息等。4、本机WindowsXP系统自带恢复功能,避免因非法关机或误操作等引起的系统崩溃。5、配备有超薄型工业键盘和光电鼠标,可以象操作普通PC机一样通过键盘或鼠标完成各种操作。6、主控板采用DSP+FPGA结构,16位DAC输出,对基波可产生每周2000点的高密度正弦波,大大改善了波形的质量,提高了测试仪的精度。7、功放采用高保真线性功放,既保证了小电流的精度,又保证了大电V流的稳定。8、采用USB接口直接和PC机通讯,无须任何转接线,方便使用。9、可连接笔记本电脑(选配)运行。笔记本电脑与工控机使用同一套软件,无须重新学习操作方法。10、具备GPS同步试验功能。装置可内置GPS同步卡(选配)通过RS232口与PC机相连,实现两台测试仪异地进行同步对调试验。11、配有独立专用直流辅助电压源输出,输出电压分别为110V(1A),220V(0.6A)。以提供给需要直流工作电源的继电器或保护装置使用。12、具有软件自较准功能,避免了要打开机箱通过调整电位器来校准精度,从而大大提高了精度的稳定性。第二节技术参数1、交流电流源:相电流输出(有效值):0--40A/相,精度0.5%三相并联输出(有效值):0--120A/三相同相位并联输出相电流长时间允许工作值(有效值):10A每相最大输出功率:420VA三相并联电流最大输出功率:900VA三并电流最大输出允许工作时间:10s频率范围:0--1000Hz精度:0.001Hz谐波次数:2--20次相位:0--360°精度:0.1°2、直流电流源:电流输出:0--±30A/相:精度0.5%_____________________________________________________________________________________________2010.7武汉中电科威电气VI3、交流电压源:相电压输出(有效值):0--125V/相精度:0.5%线电压输出(有效值):0--250V相电压/线电压输出功率:75VA/100VA频率范围:0--1000Hz精度:0.001Hz谐波次数:2--20次相位:0--360°精度:0.1°4、直流电压源:相电压输出幅值:0--±150V精度:0.5%线电压输出幅值:0--±300V相电压/线电压输出功率:90VA/180VA5、开关量端子:开关量输入端子:8对空接点:1--20mA,24V装置内部有源输出电位翻转:0--6VDC为低电平15--250VDC为高电平开关量输出端子:4对,空接点,遮断容量:110V/2A,220V/1A。6、时间测量范围:范围1ms--9999s测量精度1ms7、体积重量:体积455(mm)×530(mm)×220(mm);约20Kg8、电源:AC220V±10%50Hz10AVII第二章装置硬件结构第一节装置硬件组成1、内置高性能工业控制计算机本装置采用高性能工控机作为控制计算机,配有自还原CF卡,8.4″800×600分辨率TFT真彩LCD显示器。本机带高性能专用工业键盘和鼠标,无须另接外设就可直接使用,软件在WindowsXP操作系统下运行,操作简便。装置面板配有三个USB接口,可方便地进行数据存取、数据通信和软件升级等。2、DSP数字信号处理系统采用6000系列DSP控制器作为核心,FPGA可编程逻辑器件输出波形,由于采用的是DDS硬件输出波形的技术,使波形频率和相位精度相当高,同时,该系统与工控机通讯直接采用USB2.0接口,使得数据通讯稳定可靠。3、D/A和A/D转换采用高精度D/A转换器,同时采用有源低通滤波器,使输出波形平滑,幅频特性优良。同时控制系统还保留了12路12位A/D转换电路,可实时采集12路模拟量的输出波形并通过软件在屏幕上显示实际输出的波形,幅值和相位。4、高精度线性电压,电流功率放大器电流、电压采用高性能线性放大器直接耦合输出方式,使电流,电压源可直接输出交流和直流波形,并可通过软件计算输出各种如方波、各次谐波叠加的组合波形,故障暂态波形等,可以较好地模拟各_____________________________________________________________________________________________2010.7武汉中电科威电气VIII种短路故障时的电流,电压特征。功放电路采用进口大功率高保真模块式功率器件做功率输出级,结合精心合理设计的散热结构,具有足够大的功率冗余和热容量,功放电路具有完备的过热、过流、过压及短路保护,电流回路允许开路,不会损坏装置。面板有电流开路指示灯,以方便用户检查接线正确与否。同时面板还有电压过载或短路指示灯,当电压回路(在有输出情况下)发生短路时,该指示灯发亮并启动蜂鸣器报警。大电流限时采用独特的硬件,限时电路,克服了传统的软件限时的缺点,使大电流使用更安全更可靠。5、开关量输入、开关量输出装置共有开关量输入端子8对,开关量输出端子4对。开入量、开出量都由光电隔离器和24V直流继电器组成,其工作电源为独立的24V工作电源,所以在COM端与开入量之间有24V的直流电压。以下是几种常见的开入量的接线示意图:①带电位的空接点②电位翻转IX③空接点6、专用独立的直流电源输出装置配有两路110V直流电源电压输出,头尾相接组成+110V、0V、-110V三个端子输出,只能作保护装置的工作电源,不能作直流操作电源使用。+110V、-110V两端子可输出220V直流电压。第二节装置面板说明_________________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