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1. Overview
APM 830( power meters) are designed according to IEC international standards .APM 830 meters have full power measurement,
energy statistics, analysis of power quality Recording function, event recording function (including voltage rise and fall interruption,
impulse current, etc.) and network communications and other functions, are mainly used for comprehensive monitoring of the quality of
power supply network.This series of meters use a modular design, with a rich function of the external DI / DO module, AI / AO module,
event recording module with T-Flash (TF) card, network communication module, can achieve full power measurement of electrical
circuit and monitoring of switch status, Dual RS485 with Ethernet interface can realize data copying of RS485 master station,
eliminating the need for data switching exchange. PROFIBUS-DP interface can realize high-speed data transmission and networking
function.
2. Product model,specification and function
2.1 Type and specification
Type
APM830
Measured
parameters
Total electrical measurement
Four-quadrant energy
Complex rate electric energy
Internal temperature measurement of instrument
Pulse output of
energy
Total active power, total reactive power, total apparent power pulse output, second pulse, etc
Demand
Three-phase current, active power, reactive power, real-time demand of apparent power, and maximum demand
(including time stamp)
Extreme
value statistics
Extremum of current, line voltage, phase voltage, active power, reactive power, apparent power, power factor,
frequency, total harmonic of current, total harmonic of voltage in this month and last month (including time stamp)
Power quality
Unbalance of current, line voltage, phase voltage
Voltage phase angle, current phase angle
Total (odd, even) harmonic content of voltage and current
Harmonic content of voltage and current (2-63 times)
Voltage crest factor
Telephone waveform factor
Current K-factor
Vector
Voltage and current waveform
Fundamental voltage and current
Event log
Record the most recent 128 event records, support extended records by TF card
A total of 13 alarm records, including 66 alarm types, each of which can record 128 recent alarm records,
supporting the expansion of TF card
Transient record, record up to 800 transient waveform records, support TF card expansion record
Communication
Modbus - RTU
protocol
DL / T 645 - 2007 protocol (support freeze function)
I/O
2 digital 2 digital outputs (2DI+2DO)
Multiple rate
The multi-rate energy statistics include total, sharp, peak, flat, valley and near-month multi-rate electricity
