PMAC770多功能电力监控仪说明书V1.1

PMAC770多功能电力监控仪
说 明 书
Installation&Operation Manual
V1.1安安安安全全全全和和和和注注注注意意意意事事事事项项项项
危危危危险险险险和和和和警警警警告告告告
� 本设备只能由专业人士进行安装。
� 对于因不遵守本手册的说明而引起的故障，厂家将不承担任何责任。
触触触触电电电电、、、、燃燃燃燃烧烧烧烧或或或或爆爆爆爆炸炸炸炸的的的的危危危危险险险险
� 设备只能由取得资格的工作人员才能进行安装和维护。
� 对设备进行任何操作前，应隔离电压输入和电源供应，并且短路所有电流互
感器的二次绕组。
� 要用一个合适的电压检测设备来确认电压已切断。
� 在将设备通电前，应将所有的机械部件，门和盖子恢复原位。
� 设备在使用中应提供带正确的额定电压。
不不不不注注注注意意意意这这这这些些些些预预预预防防防防措措措措施施施施就就就就可可可可能能能能会会会会引引引引起起起起严严严严重重重重伤伤伤伤害害害害。。。。目目目目 录录录录
第1章 产品概述.............................................................................................................................6
1.1测量....................................................................................................................................6
1.2 扩展模块............................................................................................................................8
1.3 全显图................................................................................................................................9
1.4 控制与事件.....................................................................................................................10
第2章 安装与接线.......................................................................................................................11
2.1环境..................................................................................................................................11
2.2订货信息..........................................................................................................................18
2.3电源..................................................................................................................................19
2.4接线..................................................................................................................................19
第3章 测量参数...........................................................................................................................22
3.1电压..................................................................................................................................22
3.2电流..................................................................................................................................22
3.3有功功率..........................................................................................................................23
3.4无功功率..........................................................................................................................23
3.5视在功率..........................................................................................................................23
3.6 功率因数.........................................................................................................................23
3.7频率..................................................................................................................................24
3.8 需量统计.........................................................................................................................24
3.9相序检测..........................................................................................................................25
第4章 电能质量...........................................................................................................................26
4.1概述..................................................................................................................................26
4.2谐波总畸变率...................................................................................................................27
4.3谐波电压含有率...............................................................................................................274.4谐波电流含有率...............................................................................................................27
4.5电压波峰系数...................................................................................................................27
4.6电流K系数......................................................................................................................27
4.7谐波电压有效值...............................................................................................................28
4.8谐波电流有效值...............................................................................................................28
4.9谐波总有功功率有效值...................................................................................................28
4.10谐波电度........................................................................................................................28
4.11频率偏差........................................................................................................................28
4.12电压偏差........................................................................................................................29
4.13电压不平衡率................................................................................................................29
第5章 电度及复费率统计...........................................................................................................30
5.1概述..................................................................................................................................30
5.2有功电度..........................................................................................................................30
5.3无功电度..........................................................................................................................30
5.4复费率电度......................................................................................................................31
5.5历史电度..........................................................................................................................32
第6章 记录..................................................................................................................................34
6.1概述..................................................................................................................................34
6.2SOE事件记录..................................................................................................................34
6.3 频率偏差记录..................................................................................................................34
6.4 电压偏差记录..................................................................................................................35
6.5 电压不平衡率偏差记录..................................................................................................35
6.6 需量最值记录..................................................................................................................35
6.7 实时量最值记录..............................................................................................................36
第7章 定值系统...........................................................................................................................37
7.1概述..................................................................................................................................37
7.2定值分析..........................................................................................................................37
第8章 显示操作...........................................................................................................................398.1概述..................................................................................................................................39
8.2按键功能..........................................................................................................................39
8.3数据查询..........................................................................................................................39
8.4就地编程..........................................................................................................................68
第9章 辅助功能...........................................................................................................................70
9.1通讯..................................................................................................................................70
9.2开关量输入......................................................................................................................71
9.3继电器输出......................................................................................................................72
9.4模拟量输入（扩展模块功能）.......................................................................................72
9.5脉冲输出（扩展模块功能）...........................................................................................73
9.6模拟量输出（扩展模块功能）.......................................................................................73
第10章 维护与故障排除.............................................................................................................76
第11章 技术指标........................................................................................................................77
附录................................................................................................................................................80
附录一 大容量存储模块........................................................................................................80第第第第1111章章章章 产产产产品品品品概概概概述述述述
PMAC770多功能电力监控仪是一种简单可靠的测控装置，可广泛应用于电力系统、环境
监控、低压配电等自动化领域。
它实现了如下的功能：
◇ 实时参数测量
◇ 电度计量（包括实时电度、复费率电度、历史电度、谐波有功电度（1st~13th））
◇ 电能质量分析
◇ 需量统计
◇ 最值统计
◇ 时钟和事件记录
◇ 定值越限
◇ 相序检测
◇ MODBUS通讯或DLT645-2007通讯1
◇ 数字量输入（DI）、数字量输出（DO）2
◇ 模拟量输入（AI）、模拟量输出（AO）3
◇ 有功、无功2路脉冲输出4
1111....1111测测测测量量量量
PMAC770提供全方位的测量功能，可以充分满足低压或者高压三相电力网络中电气监控
的要求。仪表提供的测量功能如下表所示：
1本体上提供1路MODBUS通信，扩展模块提供额外1路MODBUS通信或DLT645-2007通信。
2本体上提供3路DI和2路DO（基本型除外），扩展模块最多可再提供8路DI或者2路DO。