Hitachi Relion 670 Series Applications Manual page 327

1MRK511407-UUS Rev. N
SMAI1:13 – SMAI12:24: DFTReference = ExternalDFTRef to use DFTSPFC input of SMAI1:13 as
reference (SMAI7:7)
For task time group 3 this gives the following settings:
SMAI1:25 – SMAI12:36: DFTReference = ExternalDFTRef to use DFTSPFC input as reference
(SMAI7:7)
For task time group 4 this gives the following settings:
SMAI1:37 – SMAI12:48: DFTReference = ExternalDFTRef to use DFTSPFC input as reference
(SMAI7:7)
Example 2
BLOCK BLOCK BLOCK BLOCK
DFTSPFC DFTSPFC DFTSPFC DFTSPFC
^GRP1_A ^GRP1_A ^GRP1_A ^GRP1_A
^GRP1_B ^GRP1_B ^GRP1_B ^GRP1_B
^GRP1_C ^GRP1_C ^GRP1_C ^GRP1_C
^GRP1_N ^GRP1_N ^GRP1_N ^GRP1_N
TYPE TYPE TYPE TYPE
ANSI07000199 V2 EN-US
Figure 131:
Assume instance SMAI4:16 in task time group 2 has been selected in the configuration to control the
frequency tracking for all instances. Observe that the selected reference instance (i.e. frequency tracking
master) must be a voltage type. Observe that positive sequence voltage is used for the frequency
tracking feature.
For task time group 1 this gives the following settings (see Figure
SMAI1:1 – SMAI12:12: DFTReference = ExternalDFTRef to use DFTSPFC input as reference
(SMAI4:16)
Phasor measurement unit RES670
Application manual
SMAI1:13 SMAI1:13 SMAI1:13
SPFCOUT SPFCOUT SPFCOUT SPFCOUT
AI3P AI3P AI3P AI3P
AI1 AI1 AI1 AI1
AI2 AI2 AI2 AI2
AI3 AI3 AI3 AI3
AI4 AI4 AI4 AI4
AIN AIN AIN AIN
Configuration for using an instance in task time group 2 as DFT reference.
© 2017 - 2023 Hitachi Energy. All rights reserved
SMAI1:1 SMAI1:1 SMAI1:1
BLOCK BLOCK BLOCK BLOCK SPFCOUT SPFCOUT SPFCOUT SPFCOUT
DFTSPFC DFTSPFC DFTSPFC DFTSPFC AI3P AI3P AI3P AI3P
^GRP1_A ^GRP1_A ^GRP1_A ^GRP1_A AI1 AI1 AI1 AI1
^GRP1_B ^GRP1_B ^GRP1_B ^GRP1_B AI2 AI2 AI2 AI2
^GRP1_C ^GRP1_C ^GRP1_C ^GRP1_C AI3 AI3 AI3 AI3
^GRP1_N ^GRP1_N ^GRP1_N ^GRP1_N AI4 AI4 AI4 AI4
TYPE TYPE TYPE TYPE AIN AIN AIN AIN
SMAI1:25 SMAI1:25 SMAI1:25
BLOCK BLOCK BLOCK BLOCK SPFCOUT SPFCOUT SPFCOUT SPFCOUT
DFTSPFC DFTSPFC DFTSPFC DFTSPFC AI3P AI3P AI3P AI3P
^GRP1_A ^GRP1_A ^GRP1_A ^GRP1_A AI 1 AI 1 AI 1 AI 1
^GRP1_B ^GRP1_B ^GRP1_B ^GRP1_B AI 2 AI 2 AI 2 AI 2
^GRP1_C ^GRP1_C ^GRP1_C ^GRP1_C AI3 AI3 AI3 AI3
^GRP1_N ^GRP1_N ^GRP1_N ^GRP1_N AI4 AI4 AI4 AI4
TYPE TYPE TYPE TYPE AIN AIN AIN AIN
SMAI1:37
BLOCK BLOCK SPFCO UT SPFCO UT
DFTSPFC DFTSPFC AI3P AI3P
^GRP1_A ^GRP1_A AI1 AI1
^GRP1_B ^GRP1_B AI2 AI2
^GRP1_C ^GRP1_C AI3 AI3
^GRP1_N ^GRP1_N AI4 AI4
TYPE TYPE AIN AIN
ANSI07000199.vsd
129 for numbering):
Section 22
Basic IED functions
321