MiCOM P144 (PART)
C23
C24
N
A B
C
PHASE ROTATION
A
C B
b
a
c
SEE DRAWING
CASE
EARTH
AUX SUPPLY
AC OR DC
x
+
-
F2
F1
*
SCN
F16
F18
F17
KBUS
PORT
+
EIA485/
-
10Px4001.
COMMS
NOTE 4.
OPTO 10
OPTO 9
OPTO 11
OPTO 12
B5
B6
B7
B8
+
-
+
-
B1
B4
B3
B2
+
-
+
-
OPTO 7
OPTO 6
OPTO 8
COMMON
CONNECTION
D16
D15
D18
D17
+
-
D11
D14
D12
D13
+
-
+
-
OPTO 3
OPTO 2
OPTO 4
OPTO 5
D7
D8
D10
D9
+
-
+
-
D3
D5
D4
D6
+
-
+
-
OPTO 1
D2
D1
+
-
B16
RELAY 11
B17
B18
RELAY 3 ANY TRIP
E16
RELAY 7
RELAY 10
RELAY 8
RELAY 9
B15
B14
B12
B13
B11
B10
B9
E17
E18
RELAY 5
RELAY 4
RELAY 6
E15
E14
E12
E13
E11
E8
E10
E9
E7
E6
NOTE 3.
WATCHDOG
WATCHDOG
RELAY 2
RELAY 1
CONTACT
CONTACT
E3
E5
E4
E2
E1
F12
F13
F14
F11
440V
POWER SUPPLY VERSION 24-48V (NOMINAL) D.C. ONLY
*
NOTE 5.
110V
N
C22
C
C21
110V
110V
B
C20
A
C19
DIRECTION OF FORWARD CURRENT FLOW
NOTE 2.
A
C
B
ca
b
1A
C12
N
SENSITIVE
C15
C13
N
C10
C9
1A
1A
5A
5A
B
C
C6
C7
C4
C3
5A
1A
5A
1A
MiCOM P144 (PART)
C1
A
5A
P1
3. THIS RELAY SHOULD BE ASSIGNED TO ANY TRIP TO
2. C.T. CONNECTIONS ARE SHOWN 1A CONNECTED AND ARE TYPICAL ONLY.
NOTES 1.
C.T. SHORTING LINKS
(a)
5. DERIVED NEUTRAL POINT. SEE P14X/EN T/B33 FOR DETAILS OF RESISTORS.
4. FOR COMMS OPTIONS SEE DRAWING 10Px4001.
ENSURE CORRECT OPERATION OF THE PROTECTIVE RELAY.
PIN TERMINAL (P.C.B. TYPE)
(b)
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:
13/05/2013 H.ONG
FIELD VOLTAGE OUTPUT REMOVED. CID HONG-95RDV7
10P14402
1
2
EXT CONN DIAG: FEEDER PROT'N RELAY (12 I/P & 11 O/P) USING
VEE CONNECTED VTs, 2 LINE CTs AND A CORE BALANCE CT
H
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