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P1
P2
A
A
S1
S2
T2
B
B
C
C
PROTECTED
TRANSFORMER
GROUNDED WYE
NEUTRAL TAILS
HV
NOTE 2
P2
S2
P1
S1
Issue:
Revision:
CID SWOO-AA2EBH. VT CONNECTIONS WERE C1, C2
J
Date:
26/05/2016
Name:
S.WOOTTON
CAD DATA 1:1 DIMENSIONS: mm
DO NOT SCALE
Date:
Chkd:
A
P2
P1
A
A
S2
S1
B
B
T1
C
C
C
PHASE ROTATION
C24
T1
A (1)
C23
C26
B (1)
C25
C28
C (1)
C27
T2
C18
A (2)
C17
C20
B (2)
C19
C22
C (2)
C21
LV
NOTE 4
COMMS
P2
S2
TN2
C14
P1
S1
Y (LV)
C13
TN1
C16
Y (HV)
C15
CASE
EARTH
POWER SUPPLY VERSION 24-48V (NOMINAL) D.C. ONLY
*
Substation Automation Solutions
B
A
B
C
MiCOM P642 (PART)
N
n
a
c
b
C3
V
FLUX
C4
D1
OPTO 1
D2
D3
OPTO 2
D4
D5
OPTO 3
D6
D7
OPTO 4
D8
D9
OPTO 5
D10
D11
OPTO 6
D12
D13
OPTO 7
D14
D15
OPTO 8
D16
D17
COMMON
D18
CONNECTION
F17
SEE DRAWING
EIA485/
10Px4001
KBUS
F18
PORT
F16
SCN
F1
AC OR DC
x
F2
AUX SUPPLY
Title:
EXTERNAL CONNECTION DIAGRAM: 2 BIAS INPUT TRANSFORMER
DIFFERENTIAL (8 I/P 12 O/P) WITH 1 POLE INPUT (40TE)
Drg
ALSTOM GRID UK LTD
10P64205
No:
(STAFFORD)
A
B
C
NOTE 3
MiCOM P642 (PART)
F11
WATCHDOG
F12
CONTACT
F13
WATCHDOG
F14
CONTACT
B3
E1
RELAY 1
E2
B4
E3
RELAY 2
E4
B7
E5
RELAY 3
B8
E6
E7
B11
RELAY 4
E8
E9
B12
RELAY 5
E10
B15
E11
RELAY 6
E12
B16
E13
E14
RELAY 7
E15
E16
E17
RELAY 8
E18
NOTES:
1.
(a)
C.T. SHORTING LINKS MAKE BEFORE (b) DISCONNECT.
(b)
TERMINAL.
(c)
PIN TERMINAL (P.C.B. TYPE)
2. WYE GROUND INPUTS APPLICABLE FOR GROUNDED (EARTHED) WINDINGS.
3. THE VT MAY BE CONNECTED ACROSS ANY PHASE-PHASE PAIR.
(USED BY V/Hz W2 PROTECTION ONLY).
4. FOR COMMS OPTIONS SEE DRAWING 10Px4001.
Sht:
Next
Sht:
RELAY 9
RELAY 10
HIGH BREAK
CONTACTS
RELAY 11
RELAY 12
1
-
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