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ANSI01000057-2-en.vsd
DET-A
DET-B
DET-C
DET1of3 - int.
DET2of3 - int.
AND
AND
AND
OR
OR
ANSI01000057 V2 EN-US
Figure 39:
Detection of power swing for 1-of-3 and 2-of-3 operating mode
en05000114-1-ansi.vsd
TRSP
I0CHECK
AND
BLK_I0
AND
BLK_SS
BLOCK
INHIBIT
ZOUT_C
ZOUT_B
ZOUT_A
DET1of3 - int.
REL1PH
BLK1PH
AND
DET2of3 - int.
REL2PH
BLK2PH
AND
EXT_PSD
AND
PICKUP
ZOUT
ZIN_A
ZIN_B
ZIN_C
ZIN
AND
OR
AND
AND
OR
OR
OR
OR
OR
-loop
-loop
0
0-tGF
10ms
0
0-tH
0
0
0-tR2
0-tR1
0
ANSI05000114 V2 EN-US
Figure 40:
Simplified block diagram for ZMRPSB (68) function
Section 7
1MRK 511 408-UUS A
Impedance protection
152
Phasor measurement unit RES670 2.2 ANSI
Technical manual
Summary of Contents for Relion RES670
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