ABB RELION 670 SERIES REG670 Applications Manual page 52

Section 2
Application
46
87N
50N/51N
Y
D
50/51
D
Y
59N
Y
ROV2 PTOV
60FL
D
Y
Y
51/67
U
64R
G
U
+ REX060, REX061
VT
59N
ROV2 PTOV
IEC11000203 V2 EN-US
Figure 6: Unit protection application with overall differential, unit transformer
differential, generator differential, 100% stator ground fault and back-
up protection. Ungrounded stator winding.
Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062
IdN/I 50BF 3I> BF
REF PDIF CC RBRF
87T 3Id/I
T2W PDIF
IN>
EF4 PTOC
3I>
OC4 PTOC
3Uo>
81 f<
FUFSPVC SA PTUF
3I-> 50AE U/I>
OC4 PTOC AEG PVOC
50BF 3I> BF
CC RBRF
R <
RE
ROTI PHIZ
87G 3Id/I
GEN PDIF
46 I2> 49 Ith
NS2 PTOC TR PTTR
UN> 59THD U3d/N
STEF PHIZ
64S R
STTI PHIZ
1MRK 502 071-UUS A
50/51 3I> 49 Ith
OC4 PTOC TR PTTR
78 Ucos
PSP PPAM
21 Z< 24 U/f>
ZGV PDIS OEX PVPH
32 P 27 3U<
GOP PDOP UV2 PTUV
37 P< 59 3U>
GUP PDUP OV2 PTOV
40 < 81 f>
LEX PDIS SA PTOF
Meter.
CV MMXU
<
SE
+ REX060
IEC11000203-2-en.vsd
Application manual
Meter.
CV MMXU
87O 3Id/I
T3W PDIF
REG 670 2.0