ABB Relion 650 Series Product Manual page 7

Transformer protection RET650
Version 1.1 ANSI
T1 Data:
20 MVA
110±11*1.5% / 21 kV
105 / 550 A
YNd5
X =11 %
T
T1
W2
600/1
20kV/100V
Y
Y
Other configured functions
Cond
TCS SCBR
Cond Cond
TCS SCBR SPVN ZBAT
ANSI11000136 V1 EN-US
Figure 4. A typical tap changer control application for one or two transformers
ABB Power Grids
RET650 A07A – OLTC Control for 1 or 2 Transformers 10AI
T1
84
TCM YLTC
50/51 3I> 49 Ith
50N/51N
OC4 PTOC TR PTTR
27 U< 59 U>
UV2 PTOV OV2 PTOV
59N
ROV PTOV
T2
50/51 3I> 49 Ith
50N/51N
OC4 PTOC TR PTTR
27 U< 59 U>
UV2 PTUV OV2 PTOV
59N
ROV2 PTOV
20 kV Bus #1
Mont.
DRP RDRE
© Copyright 2011 ABB Power Grids. All rights reserved
(6I+4U)
Meter.
ETP MMTR
IN> Meter.
EF4 PTOC CV MMXN
TR8 ATCC
3U0>
Meter.
ETP MMTR
TCM YLTC
IN> Meter.
EF4 PTOC
CV MMXN
TR8 ATCC
3Uo>
20 kV Bus #2
Function Enabled
in Settings
ANSI IEC
IEC61850
T2 Data:
20 MVA
110±11*1.5% / 21 kV
105 / 550 A
YNd5
X =11 %
T
90
U
84
20kV/100V
90 U
Y
Y
Function Disabled in Settings
ANSI
ANSI IEC
DNP IEC60870-5-103
ANSI11000136_1_en.vsd
1MRK 504 127-BUS B
T2
W2
600/1
IEC
7