GE P642 Technical Manual page 569

Issue: Revision:
CID SWOO-9LNAWE. TABLE 1 REMOVED. NOTES 5&6 REMOVED.
I
Date: 14/07/2014 Name: S.WOOTTON
CAD DATA 1:1 DIMENSIONS: mm
DO NOT SCALE
Date: Chkd:
MiCOM P645 (PART)
V
D2
A
D1
V
D4 B
OPTIONAL
D3
NOTE 6
V
F2
C
F1 V
N
F4
V
FLUX
F3
TN3
D12
Y (TV)
D11
TN2
D14
Y (LV)
D13
D16 TN1
Y (HV)
D15
ALSTOM GRID UK LTD
Substation Automation Solutions
(STAFFORD)
A A
B B
C C
C C
A B A B
N N
NOTE 7 NOTE 4
n n
a c a b c
b
NOTES:
1.
GROUNDED WYE
NEUTRAL TAILS
TV LV HV
NOTE 3
2. SEE TABLE 1 FOR BIAS ASSIGNMENT TO ACTUAL WINDINGS. T1
S2 P2
3. WYE GROUND INPUTS APPLICABLE FOR GROUNDED (EARTHED) WINDINGS.
S1 P1
4. THE VT MAY BE CONNECTED ACROSS ANY PHASE-PHASE PAIR.
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
9. FOR 0-10mA, 0-20mA, 4-20mA RANGE USE 20mA INPUTS & OUTPUTS
Title:
EXT. CONNECTION DIAG: 5 BIAS INPUT TRANSFORMER DIFFERENTIAL
(24 I/P & 24 O/P + CLIO & RTD) WITH 4 POLE VT INPUTS (80TE)
Drg
10P64506
No:
A
V
D2 A
a
D1
V
D4 B
D3
V
F2
C
NOTE 8
V
F1 N
VEE CONNECTED VTs (ALTERNATIVE)
(a) C.T. SHORTING LINKS MAKE BEFORE (b) DISCONNECT.
(b)
TERMINAL.
(c)
PIN TERMINAL (P.C.B. TYPE)
IS ALWAYS AN HV WINDING CONNECTION.
(USED BY V/Hz W2 PROTECTION ONLY).
FOR 0-1mA RANGE USE 1mA INPUTS & OUTPUTS.
2
Sht:
-
Next
Sht:
A
B
C
B C
b c