IVM-900 Power Quality Online Monitoring Device

Picture display

Summary

Technical parameter

Product Introduction

IVM-900 series power quality online monitoring device is a device for real-time monitoring of power quality of the power grid. It has harmonic analysis, waveform sampling and voltage swell/swell recording, flicker monitoring, voltage unbalance measurement, and waveform transient Capture, event recording, measurement control functions, etc. Using high-brightness LCD Chinese man-machine interface display, a new generation of ARM processor and high-speed ADC sampling, 1024 points per week can be sampled, and the basic measurement accuracy can reach 0.1 level. The IVM-900 power quality online monitoring device has high measurement accuracy, rich measurement functions, strong anti-interference, and simple and convenient operation.

Product Features

Function type	Features
Monitoring function	Three-phase voltage, zero sequence voltage Three-phase current, zero sequence current Three-phase active power and total active power Three-phase reactive power and total reactive power Three-phase apparent and total apparent power Positive and negative active power measurement Four-quadrant reactive power measurement Harmonic electricity measurement Three-phase power factor and total power factor frequency
Data event Record function	Event record data record Monitoring power limit

Function type

Features

Power Quality
Monitoring function

Three-phase voltage deviation and over-limit alarm
Frequency deviation and over-limit warning
Voltage fluctuation analysis
Short-term flicker Pst calculation
Long-term flicker Plt calculation
Harmonic distortion rate calculation and limit violation alarm
Three-phase voltage/current unbalance measurement
The amplitude and phase of the voltage zero sequence, negative sequence, and positive sequence components
The amplitude and phase of the current zero sequence, negative sequence, and positive sequence components
The effective value, phase angle, content rate and harmonic power voltage, current and power spectrum diagram of 2~63th harmonic
High-speed fault recorder

Main parameters and technical indicators

Types of	parameter
Power supply	100VAC/DC~240VAC/DC
Power consumption	<20W
Analog quantity acquisition	1024 points per week
monitor	7-inch color LCD display, touch screen operation
Communication	Communication interface: 2 RS485 Communication protocol: Modbus-RTU Communication rate: 2400/4800/9600/19200/38400 57600/115200bps
	Communication interface: 1 RS232 Communication rate: 2400/4800/9600/19200/38400 /57600/115200bps
	Communication interface: Ethernet Communication protocol: Modbus-TCP Default port number: 502
Switch input	Passive node optically isolated input (isolation voltage 2500VDC)

Types of	parameter
Relay output	Electromagnetic relay, contact capacity 5A/30VDC or 5A/250VAC; hold time: 0~600s, 0 means constant hold
Analog input	Voltage measurement: AC voltage 100V and 380V input Choose one of the two ranges 0~1.2Ue, Ue is the voltage rating Current measurement: 5A, range: 0~6.000A Current measurement: 1A, range: 0~1.200A Rated frequency: 50Hz, range: 45Hz~65Hz
SOE record	System event, limit violation event, transient event, I/O event, waveform event
working environment	Temperature: -5℃~+55℃; Humidity: 95% non-condensing; Air pressure: 70~106kpa
storage temperature	-30℃~+80℃
Protection level	Panel: IP50; Shell: IP20
Types of	parameter
Mean time between failures	MTBF≥43800 hours
Dimensions	248×171×204 (width × height × depth) unit mm

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