~
STEF PHIZ
59THD U3d/N
REG650-B05
LEX PDIS
40
GUP PDUP
37
OEX PVPH
24 U/f>
UV2 PTUV
27 3U<
OV2 PTOV
59 3U>
T3D PDIF
87T 3Id/I
SA PTUF
81U f<
110kV HV Substation
VR PVOC
51V I>/U<
ZGC PDIS
21 Z<
AEG GAPC
50AE
U</I>
SA PTOF
81O f>
Y
Y
I
U
NS2 PTOC
46 I2>
OC4 PTOC
51 3I>
CC RPLD
52PD PD
CC RBRF
50BF 3I> BF
Y
Y
Generator CB
HV CB
ROV2 PTOV
59N 3Uo>
TR PTTR
49 Ith
OOS PPAM
78 Ucos
SES RSYN
25 SC
Note:
2) Input for independent non -directional EF function. It can be used for different purposes (e.g. as stator EF protection or turn-to-turn protection for generators with split winding or even HV
side EF protection). Alternatively it can be used for High-Impedance REF protection.
1) Inputs for independent directional (sensitive) EF function. It can be used for different purposes
(e.g. as rotor EF with RXTTE4 or stator EF for generators running in parallel )
1)
2)
F
i
e
l
d
C
B
TR PTTR
49 Ith
OC4 PTOC
51 3I>
HZ PDIF
87N IdN
EF4 PTOC
51N IN>
GT01
ROV2 PTOV
59N 3Uo>
59N UN>
Y
Y
CV MMXN
Meter.
GOP PDOP
32 P>
TRM module with 4I+1I*+5U
AIM module with 6I+4U
¤)
¤) Requires dedicated CT cores, external resistor and metrosil for correct operation
V MSQI
47 U2>
EF4 PTOC
67N
SDE PSDE
67N
Rotor EF protection 64R
CV MMXN
Meter.
GOP PDOP
32
SA PFRC
81R df/dt
3)
3) Alternatively step-up transformer HV side open delta VT can be connected here
Generator CB
Auxiliary
Transformer
Unit
Transformer
29MVA
121/11kV
YNd5
Excitation
Transformer
390kVA
11/0.37kV
Dyn11
50/5
1600/5
29MVA
11kV
150rpm
200/1
100/5
1.6MVA
11/0.4kV
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