GE P642 Technical Manual page 554

Issue: Revision:
CID SWOO-9LNAWE. TABLE 1 REMOVED. NOTES 5&6 REMOVED.
D
Date: 14/07/2014 Name: S.WOOTTON
CAD DATA 1:1 DIMENSIONS: mm
DO NOT SCALE
Date: Chkd:
MiCOM P643 (PART)
V
D2
A
D1
V B
D4
OPTIONAL
D3
NOTE 6
V C
F2
V N
F1
F4
V
FLUX
F3
TN3
D12
Y (TV)
D11
D14 TN2
Y (LV)
D13
D16 TN1
Y (HV)
D15
ALSTOM GRID UK LTD
Substation Automation Solutions
A
B
C
B C B C
A A
N N
NOTE 7 NOTE 4
n n
a b c a b c
GROUNDED WYE
NEUTRAL TAILS
TV LV HV
NOTE 3
S2 P2
S1 P1
S2 P2
S1 P1
S2 P2
S1 P1
Title:
EXTERNAL CONNECTION DIAGRAM: 3 BIAS INPUT TRANSFORMER
DIFFERENTIAL (40 I/O & 12 O/P+RTD) WITH 4 POLE VT INPUTS (80TE)
Drg
10P64312
No:
(STAFFORD)
A
B
C
D2 V
A
D1
D4 V
B
D3
V
F2 C
V
F1 N
VEE CONNECTED VTs (ALTERNATIVE)
NOTES:
1. (a) C.T. SHORTING LINKS MAKE BEFORE (b) DISCONNECT.
(b) TERMINAL.
(c)
PIN TERMINAL (P.C.B. TYPE)
2. SEE TABLE 1 FOR BIAS ASSIGNMENT TO ACTUAL WINDINGS. T1
IS ALWAYS AN HV WINDING CONNECTION.
3. WYE GROUND INPUTS APPLICABLE FOR GROUNDED (EARTHED) WINDINGS.
4. THE VT MAY BE CONNECTED ACROSS ANY PHASE-PHASE PAIR.
(USED BY V/Hz W2 PROTECTION ONLY).
5. FOR COMMS OPTIONS SEE DRAWING 10Px4001.
6. THE VT STAR POINT MUST BE MADE EXTERNALLY AS SHOWN.
7. THE MONITORED THREE PHASE VOLTAGE MAY BE CONNECTED HV, TV OR LV SIDE.
(USED BY V/Hz W1 PROTECTION AND OTHER VOLTAGE PROTECTION).
8. DERIVED NEUTRAL POINT. SEE P64X/EN T/- - FOR DETAILS OF RESISTORS.
2
Sht:
-
Next
Sht:
A
B
C
B C
A
a b c
NOTE 8