ABB Relion 650 series RET650 Product Manual page 7

ABB
Transformer protection RET650
Product version: 1.1
T1 Data:
20 MVA
110±11*1.5% / 21 kV
105 / 550 A
YNd5
X =11 %
T
T1
W2
T1
84
TCM YLTC
50/51
600/1
OC4 PTOC
20kV/100V
27
Y
Y UV2 PTOV
°
T2
50/51
OC4 PTOC
27
UV2 PTUV
20 kV Bus #1
Other configured functions
Cond
TCS SCBR
Cond Cond
TCS SCBR SPVN ZBAT DRP RDRE
Figure 3. A typical tap changer control application for one or two transformers
RET650 A07 – OLTC Control for 1 or 2 Transformers 10AI (6I+4U)
3I> 49 Ith IN>
50N/51N
TR PTTR EF4 PTOC
U< 59 U>
OV2 PTOV
59N 3U0>
ROV PTOV
3I> 49 Ith IN>
50N/51N
TR PTTR EF4 PTOC
U< 59 U>
OV2 PTOV
59N 3Uo>
ROV2 PTOV
Mont.
IEC09000647 V2 EN
1MRK 504 127-BEN -
Issued: February 2011
110±11*1.5% / 21 kV
Meter.
ETP MMTR
Meter.
CV MMXN
90
U
TRx ATCC
Meter.
ETP MMTR
84
TCM YLTC
Meter.
CV MMXN
20kV/100V
90 U
TR8 ATCC
20 kV Bus #2
Function Enabled
in Settings
ANSI IEC
IEC61850
T2 Data:
20 MVA
105 / 550 A
YNd5
X =11 %
T
T2
W2
600/1
Y
Y
°
Function Disabled
in Settings
ANSI IEC
IEC61850
IEC09000647-2-en.vsd
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