GE P642 Technical Manual page 559

P1 P2
A
S1 S2
B PROTECTED TRANSFORMER
T5
C
C B A C B A C B
T4 T3
P2
S2
S1
P1
P2
S2
S1
P1
Issue: Revision:
CID SWOO-9LNAWE. TABLE 1 REMOVED. NOTES 5&6 REMOVED.
G
14/07/2014 S.WOOTTON
Date: Name:
CAD DATA 1:1 DIMENSIONS: mm
DO NOT SCALE
Date: Chkd:
A
P2 P1
A A
S2 S1
B B
T1
C C B
C
PHASE ROTATION
A
T1
T2
C24
A (1)
C23
C26
B (1)
C25
C28
C (1)
C27
1 2
T2
C18
TO R
ST
P2 A (2)
S2
C17
C20
S1
B (2)
C19
P1
C22
C (2)
C21
T3
E24
A (3)
E23
E26
B (3)
E25
E28
C (3)
E27
T4
E18
A (4)
E17
E20
B (4)
E19
E22
C (4)
E21
T5
E12
A (5)
E11
E14
B (5)
E13
E16
C (5)
E15
MiCOM P645 (PART)
Substation Automation Solutions
WATCHDOG
CONTACT
WATCHDOG
CONTACT
D1
RELAY 1
OPTO 1
D2
RELAY 2
D3
OPTO 2
D4
RELAY 3
D5
OPTO 3
D6
RELAY 4
D7
OPTO 4
D8 RELAY 5
D9
RELAY 6
OPTO 5
D10
D11
RELAY 7
OPTO 6
D12
D13
OPTO 7
D14
RELAY 8
D15
OPTO 8
D16
RELAY 9
D17
COMMON
D18
CONNECTION RELAY 10
F1
OPTO 9 RELAY 11
F2
F3
RELAY 12
OPTO 10
F4
F5
RELAY 13
OPTO 11
F6
RELAY 14
F7
OPTO 12
F8
F9 RELAY 15
OPTO 13
F10
F11
RELAY 16
OPTO 14
F12
F13
OPTO 15
F14
F15
OPTO 16
F16
F17
COMMON
F18
CONNECTION
TV
S2 P2
TN3
C12
S1 P1
Y (TV)
C11
TN2
C14
Y (LV)
1
C13 2
R R
ST ST
TN1
C16
Y (HV)
C15
METROSIL
CASE
EARTH
Title:
EXT CONN DIAG:HIGH Z REF FOR 5 BIAS I/P TRANSFORMER DIFF.
SAME PRINCIPAL APPLIES TO WIRE HIGH Z REF FOR T2,T3,T4,T5
Drg
ALSTOM GRID UK LTD
10P64501
No:
(STAFFORD)
MiCOM P645 (PART)
J11
J12
J13
J14
H1
H2
H3
H4
H5
H6
H7
H8
H9
H10
H11
H12
H13
H14
H15
H16
H17
NOTE 5
H18 COMMS
G1
G2
G3
G4
J17
G5
SEE DRAWING
EIA485/
G6
10Px4001.
KBUS
G7 J18
PORT
G8
J16
G9 SCN
G10
J1
G11
G12 x
J2
G13
G14
G15
G16
G17
G18
*
POWER SUPPLY VERSION 24-48V (NOMINAL) D.C. ONLY
NOTES:
GROUNDED WYE
NEUTRAL TAILS 1. (a) C.T. SHORTING LINKS MAKE BEFORE (b) DISCONNECT.
LV HV
(b) TERMINAL.
NOTE 3
(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.
S2 P2
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.
S1 P1
6. THE VT STAR POINT MUST BE MADE EXTERNALLY AS SHOWN.
S2 P2
7. THE MONITORED THREE PHASE VOLTAGE MAY BE CONNECTED HV, TV OR LV SIDE.
(USED BY V/Hz W1 PROTECTION AND OTHER VOLTAGE PROTECTION).
S1 P1
8. DERIVED NEUTRAL POINT. SEE P64X/EN T/- - FOR DETAILS OF RESISTORS.
Sht:
Next
Sht:
AC OR DC
AUX SUPPLY
3
-