IEC140000131 V1 EN
Figure 46: 3PHSUM setting parameters example-showing that 3PHSUM is using
the External DFT reference coming indirectly from SMAI3
Figure 47 shows an example of wrong connection of 3PHSUM and PHASORREPORT
blocks in ACT where SMAI3 is configured as the reference block for DFT reference
external out (DFTRefExtOut) and 3PHSUM uses external DFT reference (from SMAI3).
IEC140000132 V2 EN
Figure 47: An example of wrong connection of 3PHSUM and PHASORREPORT
blocks in ACT
If settings for PMUREPORT instances (PHASORREPORT1 instances 1 and 2 above)
differ for SvcClass or ReportRate, then the synchrophasor reported by PHASOR2
connection from PHASORREPORT1 instance 2 will not be compliant with IEEE
C37.118 standard. The reason is as in the rule 2, the filtering in SMAI/3PHSUM block is
Section 6 1MRK 506 369-UUS -
Wide area measurement system
128 Line distance protection REL670 2.2 ANSI
Application manual
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