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The power quality analyser for many areas of application
The Janitza UMG 512 is particularly well suited to the monitoring of power quality in accordance with current standards, e.g. EN 50160, IEEE519 or EN 61000-2-4. All power quality parameters are recorded and analysed, e.g. fl icker, short-time interruptions with fault recorder function, transients, harmonics up to the 63rd order, starting currents, etc. Comprehensive communication options, e.g. Ethernet (TCP/IP) with multi-port access, BACnet, Modbus, Profi bus, HTTP, FTP, SMTP, SNMP, DNS, etc. enable cost-effi cient and rapid integration into existing communication architectures. The devices' own web homepages can be accessed from around the globe via a browser. The integrated Jasic® interpreter enables free access to all integrated variables (measured values etc.) through the loadable Jasic® programs. User-specifi c Jasic®programs can be created, whereby up to 7 can run in parallel. The GridVis®-Basic software included in the scope of delivery allows comprehensive analyses and reports for current PQ standards at the touch of a button.
Power quality
- Harmonics analysis up to the 63rd harmonic, odd / even (U, I, P, Q)
- Interharmonics (U, I)
- Distortion factorTHD-U / THD-I / TDD
- Measurement of positive, negative and zero sequence component
- Imbalance
- Direction of rotation field
- Voltage crest factor
- Flicker measurement in accordance per DIN EN 61000-4-15
- Logging and storage of transients (> 39 µs)
- Short term interruptions (from 10 ms), illustration with effective values and waveforms
- he half wave effective values of voltage, current, power, reactive power and frequency for star and delta are available simultaneously
High quality measurement
- Constant true RMS
- Measurement process in accordance with IEC 61000-4-30
- Certified accuracy of measurement per class A
- Continuous sampling of the voltage and current measurement inputs at 25,600 Hz
- 512 measurement points per period
- Recording of over 2,000 measured values per measurement cycle
- Accuracy of measurement of the active energy: Class 0.2
- Ultrasonic measurement even enables the logging of rapid transients from 39 µs
- Logging of currents and voltages (15 – 440 Hz)