The RES670 IED (Intelligent Electronic Device) provides power system AC voltages and currents as phasors - up to 32 analog phasors in two different data streams with the possibility to send single-phase phasors or positive, negative, zero sequence values or all of them. Reference for the phase angle is the Global Positioning System - GPS or IRIG-B.
The high measurement accuracy of voltages and currents eliminates the need for external measurement transducers. This makes RES670 ideal to use in all types of Phasor Measurement Unit (PMU)-based applications.
RES670 is fully compliant with Standard for Synchrophasor Measurements for Power Systems, IEEE C37.118-2011 including the amendment IEEE C37.118.1-2014. The communication capabilities of RES670 including IEC 61850-8-1, IEC 61850-9-2 and DNP3.0 enable easy integration of RES670 in an existing substation automation system. Further, along with the phasor data measurement functionality, several protection and control functions of the Relion 670 series IEDs are available in RES670.
The RES670 also offers the operational flexibility for the challenges imposed by the Smart Grid applications of tomorrow.
RES670 IEDs provide customized or pre-configured measurement solutions applicable for any type of substation and substation configuration. The customized RES670 gives you the freedom to select functionality entirely according to your needs. The pre-configured RES670 variants simplify handling since the basic functionality is included and pre-configured.
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