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18721098757
APM521网络电力仪表按IEC国际标准设计，具有全电量测量、电能统计、电能质量分析事件记录功能及网络通讯等功能，主要用于电网供电质量的综合监控。该系列仪表配有功能丰富的DI/DO模块、AO模块，可以灵活实现电气回路全电量测量及开关状态监控。
测量参数 Measured parameters | 全电量测量 Total electrical measurement |
四象限电能、四象限无功电能、分相电能、视在电能、复费率电能 Four-quadrant energy、Four - quadrant reactive electric energy、Split phase electricity、Apparent energy、Multi-rate energy | |
脉冲输出 Pulse output | 总有功、总无功电能脉冲输出 Total active power, total reactive power electrical energy pulse output |
需量 Demand | 三相电流、有功功率、无功功率、视在功率实时需量及最大需量(包含时间戳)，上月最大需量(包含时间戳) Three-phase current, active power, reactive power, apparent power real-time demand and maximum demand (including timestamp), last month's maximum demand (including timestamp). |
极值统计 Extreme value statistics | 电流、线电压、相电压、有功功率、无功功率等电参量本月极值和上月极值(包含时间戳) Current, line voltage, phase voltage, active power, reactive power and other electrical parameters extreme values of this month and last month (including time stamps) |
电能质量 Power quality | 电流、线电压、相电压不平衡度 Unbalance of current, line voltage, phase voltage |
电压相间角度、电流相间角度 Voltage phase angle, current phase angle | |
电压电流总(奇、偶)谐波含量 Total (odd, even) harmonic content of voltage and current | |
电压电流分次谐波(2-63次)含量 Harmonic content of voltage and current (2-63 times) | |
电压波峰系数 Voltage peak coefficient | |
电话波形因子 Telephone waveform factor | |
电流K系数 Current K-factor | |
矢量图 Vector | |
电压、电流实时波形 Voltage and current waveform | |
基波电压、基波电流、基波功率因素 Fundamental voltage ,current and power factor | |
电压偏差、频率偏差 Voltage deviation, frequency deviation | |
正序、负序、零序电压 Positive - sequence voltage, negative - sequence voltage, zero - sequence voltage | |
正序、负序、零序电流 Positive - sequence current, negative - sequence current, zero - sequence current | |
冻结电能 Frozen electric energy |
24 - hour frozen electric energy, 31 - day frozen electric energy, December frozen electric energy, regular - time frozen electric energy |
事件记录 Event logging | DIDO记录，可记录最近128条DIDO记录 DIDO records, which can record the last 128 DID records |
报警记录 Alarm logging | 可记录最近128条报警记录 The last 128 alarm records can be recorded |
通讯 Communication | Modbus - RTU协议、DL/T 645-2007规约 Modbus - RTU protocol, DL/T 645-2007 statute |
选配功能 Optional features | 4路开关量输入，2路开关量输出 4-channel digital input and 2-channel digital output |
2路模拟量输出，4-20mA 2 channels of analog output, 4-20mA | |
扩展第二路RS485通讯,Modbus - RTU协议 Expand the second RS485 communication channel with Modbus - RTU protocol | |
扩展以太网通讯，MODBUS-TCP协议，FTP协议 Expand Ethernet communication with the MODBUS-TCP protocol，FTP protocol |
UL认证面板多功能电表
UL认证面板多功能电表
