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GCS2322数字式低压保护测控装置说明书版本号：2.0南京国辰电气控制有限公司目录一概述························································································1二技术参数··················································································12.1额定参数·················································································12.2主要技术性能··········································································12.3绝缘性能················································································22.4抗电磁干扰性能·······································································32.5机械性能················································································3三装置功能··················································································4四装置硬件··················································································44.1保护CPU模块··········································································44.2人机对话模块··········································································54.3开入开出模块··········································································54.4电源模块················································································5五.保护原理及整定说明·································································55.1短路保护················································································55.2过载反时限保护·······································································65.3三相不平衡保护·······································································75.4低电压保护·············································································75.5过电压保护·············································································85.6漏电闭锁保护··········································································85.7选择性漏电保护（分开关）························································85.8漏电保护(总开关)···································································105.9瓦斯保护···············································································105.10风电闭锁保护········································································11六试验功能·················································································11七用户接线说明···········································································12八人机接口系统的使用方法····························································138.1实时循环显示菜单说明·····························································138.2主菜单操作说明······································································158.3子菜单操作说明·······································································15九．各部件安装尺寸······································································21十．典型接线原理图······································································23GCS2322数字式低压保护测控装置1一概述GCS2322数字式低压保护测控装置是在多年实践应用和运行经验的基础上，采用32位高速DSP数字处理技术，为各系列矿用隔爆型低压配电柜研制推出的新一代专门设计的集保护、测控、通信一体化装置，广泛适用于电力、煤矿、水利、石油、化工等行业3300V及以下电压等级的含有爆炸性气体(甲烷)和煤尘、粉尘等特殊环境，是实现煤矿井下电力自动化控制的终端设备，具有CAN及RS485双通信接口，以实现供电系统的各种保护功能及自动化控制功能。开放的通信平台，方便与各种通信分站连网，可以真正的实现煤矿井下电力自动化控制要求。装置能与380V、660V、1140V、3300V额定电压等级，额定电流可至1000A的各种型号的馈电开关配套使用，可替代传统各型模拟保护器和微电脑保护器，也可用于老开关的更新、改造。二技术参数2.1额定参数2.1.1工作电源额定电压：交流100V、50Hz，来自电压变压器的输出电压供电。该装置在交流电压70V～150V范围内变化时能正常工作。2.1.2额定交流数据a)交流电压：380V、660V、1140V、3300Vb)交流电流：1000Ac)额定频率：50Hz2.1.3功率消耗a)直流回路：正常工作时不大于20W，装置动作时不大于25W。b)交流电压回路：每相不大于0.5VAc)交流电流回路：每相不大于1.0VA；2.2主要技术性能2.2.1采样回路精确工作范围及误差见表1表1采样回路精确工作范围及误差电量保护回路测量范围额定误差GCS2322数字式低压保护测控装置2三相电压0V－1500V±5%三相电流3A－8000A±8%零序电压0V－50V±5%零序电流0mA-100mA±5mA测量回路的基准值为额定值时的误差为额定误差。2.2.2过载能力交流电流回路：2倍额定电流，连续工作；10倍额定电流，允许10秒；交流电压回路：1.2倍的额定电压，连续工作。2.2.3接点容量出口触点容量：5A/250VAC5A/30VDC2.2.4各类元件定值误差电流元件定值误差：±5%电压元件定值误差：±5%时间元件:±50ms方向元件角度误差：±5度2.2.5整组动作时间(包括继电器固有时间)速动段的固有动作时间：1.2倍整定值时，误差不大于50ms2.3绝缘性能2.3.1绝缘电阻装置的带电部分和非带电部分及外壳之间以及电气上无联系的各电路之间用开路电压500V的兆欧表测量其绝缘电阻值，正常试验大气条件下各等级的各回路绝缘电阻不小于20M。2.3.2介质强度在正常试验大气条件下，装置能承受频率为50Hz、电压2000V历时1分钟的工频耐压试验而无击穿闪络及元件损坏现象。试验过程中任一被试回路施加电压时其余回路等电位互联接地。2.3.3冲击电压在正常试验大气条件下，装置的电源输入回路、交流输入回路、输出触点回路对地以及回路之间能承受1.2/50µs的标准雷电波的短时冲击。电压试验开路试验电压5kV。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。试验温度40℃±2℃、相对湿度93%±3%、试验时间为48h，在试验结束前2小时内根据2.3.1的要求测量GCS2322数字式低压保护测控装置3各导电电路对外露非带电金属部分及外壳之间电气上不联系的各回路之间的绝缘电阻，绝缘电阻不小于1.5M。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脉冲干扰装置能承受GB/T14598.13-1998规定的干扰试验。试验电压频率为100kHz和1MHz，试验电压为共模2500V、差模1000V的衰减振荡波。试验时给被试装置预先施加电源。按GB/T14598.13第3.1.1的表所列临界条件叠加干扰试验电压装置不误动不拒动。2.4.2快速瞬变干扰装置能承受GB/T14598.10-1996标准规定的IV级4kV快速瞬变干扰试验。2.4.3静电放电装置能承受GB/T14598.14-1998标准规定的IV级空间放电15kV、接触放电8kV静电放电试验。2.4.4辐射电磁场干扰装置应能承受GB/T14598.9-1995标准规定的严酷等级为III级的辐射电磁场干扰试验。2.4.5浪涌通过GB/T17626.51999标准规定的浪涌冲击抗扰度III级干扰试验(共模2000V、差模1000V)。2.5机械性能2.5.1振动装置能承受GB/T7261-2000《继电器及装置基本试验方法》中16.2.3规定的严酷等级为1级的振动响应试验；装置能承受GB/T7261-2000中16.2.3规定的严酷等级为1级的振动耐久试验。2.5.2冲击装置能承受GB/T7261-2000中17.4.1.1规定的严酷等级为1级的冲击响应试验；装置能承受GB/T7261-2000中17.5.1规定的严酷等级为1级的冲击耐久试验。2.5.3碰撞装置能承受GB/T7261-2000中18.4规定的严酷等级为1级的冲击碰撞试验。2.5.4环境条件a)环境温度GCS2322数字式低压保护测控装置4工作温度：-25℃--+55℃贮存温度：－40℃--+85℃b)相对湿度：最湿月的月平均最大相对湿度为90%同时该月的月平均最低温度为25℃且表面无凝露最高温度为+40℃时,平均最大相对湿度不超过50%c)大气压力：66kPa－110kPa。三装置功能保护功能监控功能其他功能通信功能短路保护过载保护三相不平衡保护断相