GE P645

PHASE ROTATION
S1
P2
S2
E28
E27
C (3)
E23
E25
E26
B (3)
A (3)
B (2)
E24
C19
C21
C22
C (2)
C18
C20
C17
C27
A (2)
P2
B
TRANSFORMER
AC B
T2
C
A
T1
B
C23
C28
C26
C25
C (1)
B (1)
C24
A (1)
C
C
S1S2
P1
A
OPTO 16
COMMON
CONNECTION
MiCOM P643 (PART)
F17
F18
F16
D9
OPTO 5
OPTO 6
COMMON
CONNECTION
OPTO 7
OPTO 8
OPTO 10
OPTO 11
OPTO 9
OPTO 14
OPTO 13
OPTO 15
OPTO 12
F3
F14
F15
F13
F11
F12
F10
F8
F9
F7
F5
F6
F4
D15
D16
D17
D18
F2
F1
D11
D13
D12
D14
D10
OPTO 2
OPTO 3
OPTO 1
OPTO 4
B
D3
D6
D8
D7
D5
D4
D2
D1
A
P1 P2
S2S1
PROTECTED
T3
C
A
B
CASE
EARTH
B
C
A
G17
RELAY 16
G18
H6
RELAY 3
G2
RELAY 10
RELAY 11
RELAY 12
RELAY 14
RELAY 15
RELAY 13
G10
G11
G12
G14
G16
G15
G13
G6
G8
G9
G7
G4
G5
G3
RELAY 4
RELAY 5
RELAY 6
RELAY 8
RELAY 9
RELAY 7
H13
H14
H16
H15
H18
H17
G1
H11
H10
H12
H8
H9
H7
J17
NOTE 7
COMMS
J16
SCN
J2
J1
J18
SEE DRAWING
10Px4001
PORT
AC OR DC
AUX SUPPLY
x
KBUS
EIA485/
MiCOM P643 (PART)
WATCHDOG
CONTACT
RELAY 1
WATCHDOG
RELAY 2
CONTACT
H2
H4
H5
H3
H1
J13
J14
J11
J12
P1
POWER SUPPLY VERSION 24-48V (NOMINAL) D.C. ONLY
*
T3
T2
T1
C16
C15
Y (HV)
C11
C13
C14
Y (LV)
Y (TV)
C12
TN3
R
NEUTRAL TAILS
HV LV TV
METROSIL
P2 S2
S1
P1
P2 S2
P2 S2
S1
P1
S1
P1
GROUNDED WYE
2. SEE TABLE 1 FOR BIAS ASSIGNMENT TO ACTUAL WINDINGS. T1
3. WYE GROUND INPUTS APPLICABLE FOR GROUNDED (EARTHED) WINDINGS.
4. THE VT MAY BE CONNECTED ACROSS ANY PHASE-PHASE PAIR.
PIN TERMINAL (P.C.B. TYPE)
C.T. SHORTING LINKS MAKE BEFORE (b) DISCONNECT.
IS ALWAYS AN HV WINDING CONNECTION.
7. FOR COMMS OPTIONS SEE DRAWING 10Px4001.
6. TV INPUTS ARE NOT MANDATORY IF THE TERTIARY HAS NO LOAD.
SUMMATES A VIRTUAL WINDING CURRENT FROM THE TWO BIAS INPUTS.
NOTES:
(c)
(b)
(a)1.
TERMINAL.
5. (x2) DENOTES WINDINGS ENERGISED VIA TWO CT SETS. THE RELAY SOFTWARE
8. THE VT STAR POINT MUST BE MADE EXTERNALLY AS SHOWN.
10. DERIVED NEUTRAL POINT. SEE P64X/EN T/- - FOR DETAILS OF RESISTORS.
(USED BY V/Hz W2 PROTECTION ONLY).
9. THE MONITORED THREE PHASE VOLTAGE MAY BE CONNECTED HV, TV OR LV SIDE.
(USED BY V/Hz W1 PROTECTION AND OTHER VOLTAGE PROTECTION).
ST
TN2
TN1
Drg
No:
Issue: Revision:
Date:
Date:
Name:
Chkd:
DO NOT SCALE
CAD DATA 1:1 DIMENSIONS: mm
Title:
Substation Automation Solutions
ALSTOM GRID UK LTD
(STAFFORD)
Sht:
Next
Sht:
02/04/2013 H.ONG
UP ISSUED TO D. CID HONG-95RDV7
10P64301
3
-
EXT CONN DIAG:HIGH Z REF FOR 3 BIAS I/P TRANSFORMER DIFF
SAME PRINCIPAL APPLIES TO WIRE HIGH Z REF FOR T2 &T3.
D