The DEWE-838 power fault recorders are network analysers for low, medium and high voltage systems.
DEWE-838 instruments are small, single power module instruments with full Power Network Analysis and Power Fault Recorder functionality.
The instrument provides up to 16 (48) analogue voltage or current channels. Along with its main task of monitoring and recording RMS values, DEWE-838 identifies and stores faults as waveforms for detailed analysis. A unique capability of this system is that it can also use calculated line-to-line channels for these events.
Evaluating according to the PQ standard EN50160 or IEEE 1159 and fulfilling the measurement requirements of IEC6100-4-30 class A are two of the key features of these small powerful measurement instruments.
Different storing options allow a quick and simple report generation directly online, with SQL server databases or the new offline file format. The DEWE-838 is ideal for a large scaled monitoring system to maintain a complex power grid.
Data can be stored both locally on the PFR’s internal hard drive, or to a central SQL database. The flexible system architecture means that multiple databases are supported for one or more PFR systems, as well as other DEWETRON instruments. This system-wide interoperability is a feature also unique to DEWETRON.
DEWETRON power fault recorder and power quality monitors can handle many different tasks at the same time in the same box, including:
- Transient Fault Recorder (TFR)
- Disturbance Fault Recorder (DFR)
- Voltage Recorder
- Power Quality Monitor (PQM)
- Power Measurement (PM)