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1 概述
1 Overview
APM521网络电力仪表（以下简称仪表）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。
The APM521 network power meter (hereinafter referred to as the meter) is designed according to IEC international standards, featuring full electrical quantity measurement, energy statistics, power quality analysis, event logging functions, and network communication capabilities. It is primarily used for comprehensive monitoring of power supply quality in power grids. This series of meters is equipped with DI/DO modules and AO modules that offer a wealth of functions, allowing for flexible implementation of full electrical quantity measurement and monitoring of switch statuses in electrical circuits.
2 型号说明
2 Description of Model
注：K:开关量，DI:开关量输入，DO:开关量输出，C:RS485通讯，M:模拟量输出，CE:以太网通讯，Log:定时记录，R:导轨安装。
Note: K: Digital Input/Output, DI: Digital Input, DO: Digital Output, C: RS485 Communication, M: Analog Output, CE: Ethernet Communication, Log: Timed Recording, R: Rail Mounting.
3 功能列表
3 List of Functions
表1 功能说明列表
Table 1 List of Function Descriptions
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 |
4 技术参数
4 Technical Parameters
表2 技术参数说明
Table 2 Description of Technical Parameters
项目 | 性能参数 | |||
电压 | 额定电压 （UL、CE） | 66V AC L-N 115V AC L-L 230V AC L-N 400V AC L-L 400V AC L-N 690V AC L-L | ||
额定电压（CPA） （CPA） | 三相三线 3P3L | 三相四线 3P4L | ||
3x100V 3x380V 3x690V | 3x57.7/100V 3x220/380V 3x400/690V | |||
过负荷 | 1.2 倍额定值（连续） 2 倍额定值持续 1 秒 2 times the rating for 1 second | |||
功耗 | <1VA | |||
精度等级 | 误差±0.2% | |||
电流 | 额定电流 （UL、CE） | 1A、5A | ||
额定电流 （CPA） （CPA） | 0.015-0.075（6）A（有功电能Active energy） 3X1(6)A（无功电能Reactive energy） | |||
过负荷 | 1.2 倍额定值（连续） 10 倍额定值持续 1 秒 | |||
功耗 | <0.2VA | |||
精度等级 | 误差±0.2% | |||
功率 | 有功、无功、视在功率，误差±0.2% | |||
电网频率 | UL、CE | 50Hz/60Hz，误差±0.2% | ||
CPA | 50Hz，误差±0.2% 50Hz，error ±0.2% | |||
响应速率 | ≤200ms（电压、电流、功率） | |||
≤1s（电能） | ||||
测量类别 Measurement category | 66ULN(＋20%) 115ULL(＋20%) CATⅢ 230ULN(＋20%) 480ULL(＋20%) CATⅢ 400ULN(＋20%) 690ULL(＋20%) CATⅡ | |||
计量 | 电能 | 有功电能：D级 Active energy ：Class D 无功电能（准确度等级2级） | ||
辅助电源Auxiliary power supply | AC/DC 85-415V | |||
电磁兼容 | 静电放电抗扰度 IV 级 | |||
电快速瞬变脉冲群抗扰度 IV 级 | ||||
浪涌(冲击)抗扰度 IV 级 | ||||
安全性 | 工频耐压 | 通信与信号输入之间 AC4kV 1min | ||
绝缘电阻 | 输入、输出端对机壳>100MΩ | |||
通信 | 接口与通信规约 | RS485口、Modbus RTU规约 | ||
通信地址范围 | Modbus RTU:1~ 247； | |||
波特率 | 支持1200bps-38400bps | |||
环境 | 工作温度 | -40℃～+70℃ | ||
储存温度 | -40℃～+80℃ | |||
相对湿度 | ≤95%（无凝露） | |||
海拔高度 | ≤2000m | |||
≥2000m，≤5000m（仅用于电源AC/DC85-265V，电压277/480V 以下） ≥2000m，≤5000mOnly applicable to the power supply with the voltage range of AC/DC 85-265V and the voltage below 277/480V. | ||||
安装环境 Installation environment | Indoor use | |||
污染等级 Pollution degree | Class 2 | |||
5 外形尺寸
5 Overall Dimensions
5.1 仪表尺寸（单位：mm）
5.1 Instrument Dimensions（Unit:mm）
表3 尺寸图
Table 3: Dimension Diagram
仪表外形 | 面框尺寸 | 壳体尺寸 | 开孔尺寸 | ||||
宽 | 高 | 宽 | 高 | 深 | 宽 | 高 | |
96 方形 | 96 | 96 | 86.5 | 86.5 | 50 | 88 | 88 |
导轨式 | - | - | 96 | 96 | 65.5 | - | - |
图2 APM521嵌入式安装尺寸图
Figure 2: Installation dimension drawing for embedded installation of APM521
图3 APM521导轨式安装尺寸图
Figure 3: Installation dimension drawing for rail-mounted installation of APM521
图4 APM521模块安装尺寸图
Figure 4: Installation dimension drawing of APM521 module
注：若统一水平面并排安装仪表，建议仪表开孔间距30mm。
Note: If the instruments are installed side by side on the same horizontal plane, it is recommended that the spacing between the instrument cutouts be 30mm.
安科瑞吴春红18702111910
wuchunhong@email.acrel.cn
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