GE P642 Technical Manual page 565

Issue: Revision:
CID SWOO-9LNAWE. TABLE 1 REMOVED. NOTES 5&6 REMOVED. TMLS C11-C16 WERE D11-D16.
I
Date: 14/07/2014 Name: S.WOOTTON
CAD DATA 1:1 DIMENSIONS: mm
DO NOT SCALE
Date: Chkd:
MiCOM P645 (PART)
V
C2 A
C1
V
C4 B
OPTIONAL
C3
NOTE 6
V
E2 C
E1 V
N
E4
V
FLUX
E3
TN3
C12
Y (TV)
C11
C14 TN2
Y (LV)
C13
TN1
C16
Y (HV)
C15
ALSTOM GRID UK LTD
Substation Automation Solutions
(STAFFORD)
A A
B B
C C
A B C A B C
N N
NOTE 7 NOTE 4
n n
a b c a b c
NOTES:
1. (a)
GROUNDED WYE
NEUTRAL TAILS
(b)
TV LV HV
(c)
NOTE 3
2. SEE TABLE 1 FOR BIAS ASSIGNMENT TO ACTUAL WINDINGS. T1
S2 P2
IS ALWAYS AN HV WINDING CONNECTION.
3. WYE GROUND INPUTS APPLICABLE FOR GROUNDED (EARTHED) WINDINGS.
S1 P1
4. THE VT MAY BE CONNECTED ACROSS ANY PHASE-PHASE PAIR.
(USED BY V/Hz W2 PROTECTION ONLY).
S2 P2
5. FOR COMMS OPTIONS SEE DRAWING 10Px4001.
6. THE VT STAR POINT MUST BE MADE EXTERNALLY AS SHOWN.
S1 P1
7. THE MONITORED THREE PHASE VOLTAGE MAY BE CONNECTED HV, TV OR LV SIDE.
S2 P2
(USED BY V/Hz W1 PROTECTION AND OTHER VOLTAGE PROTECTION).
8. DERIVED NEUTRAL POINT. SEE P64X/EN T/- - FOR DETAILS OF RESISTORS.
S1 P1
Title:
EXTERNAL CONNECTION DIAGRAM: 5 BIAS INPUT TRANSFORMER
DIFFERENTIAL (24 I/P & 16 O/P) WITH 4 POLE VT INPUTS (60TE)
Drg
10P64504
No:
A B
V
C2 A
a b c
C1
V
C4 B
C3
V
E2 C
NOTE 8
V
E1 N
VEE CONNECTED VTs (ALTERNATIVE)
C.T. SHORTING LINKS MAKE BEFORE (b) DISCONNECT.
TERMINAL.
PIN TERMINAL (P.C.B. TYPE)
2
Sht:
Next -
Sht:
A
B
C
C