Power network monitor keeps watch on quality
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LEM Instruments product story
Edited by the Engineeringtalk editorial team
Jun 29, 2004
The BEN 6000 multipurpose modular network monitor features 16bit resolution, better than 0.1% accuracy on voltage measurements and 0.2% on current measurements and up to 200s recording time at 10kHz.
The BEN 6000 multipurpose modular network monitor features 16bit resolution, better than 0.1% accuracy on voltage measurements and 0.2% on current measurements and up to 200s recording time at 10kHz.
It is compatible with the new IEC61850 communications protocol for the power industry.
The BEN 6000 incorporates: a digital fault recorder, which can be used with minimum intrusion and maximum communication; a versatile dynamic swing monitor, which allows the combination of any inputs to create derived quantities to trigger long-duration recording; a continuous recorder, which provides over one month of recording, independently from triggered conditions; a comprehensive power quality monitor, which compiles the power quality profile of the monitored signals in conformance with EN61000-4-30 and EN50160; a phasor monitoring unit (PMU) that offers system phasor information according to IEEE1344; a remote terminal unit for real-time measurement and event reporting to Scada via the IEC61850 protocol; and a sequence of events recorder, which displays all digital transitions of inputs as well as internal trigger conditions.
Features of the monitor include three simultaneous and programmable acquisition speeds, up to 192 analogue and 384 digital inputs - centralised or decentralised - and very low skew (5us maximum) between channels.
It is user configurable, allowing any trigger to be connected to any channel, and providing an unlimited number of triggers per channel and programmable allocation of memory.
The BEN 6000 is based on a heavy-duty industrial platform and Linux.
It can accommodate a mixture of up to 24 data acquisition units for voltage, current or digital inputs.
Its small size and CompactPCI expandability make it suitable for a wide range of power monitoring applications.
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