MiCOM P144 (PART)
NOTE 3.
RELAY 3 ANY TRIP
E18
E15
E16
E17
RELAY 7
E12
E13
E14
E10
E11
RELAY 6
RELAY 5
E7
E9
E8
E6
E5
RELAY 4
WATCHDOG
E2
E3
E4
F14
E1
RELAY 1
RELAY 2
CONTACT
F11
F12
F13
WATCHDOG
CONTACT
SEE DRAWING
CASE
EARTH
AUX SUPPLY
AC OR DC
x
+
-
F2
F1
*
SCN
F16
F18
F17
KBUS
PORT
+
EIA485/
-
10Px4001.
COMMS
NOTE 4.
POWER SUPPLY VERSION 24-48V (NOMINAL) D.C. ONLY
*
a
A
NOTE 2.
5AC4
C7
C6
C9
b
c
C
B
1A
5A
1A
C1
C3
B
C
A
DIRECTION OF FORWARD CURRENT FLOW
P1
MiCOM P144 (PART)
5A
1A
OPTO 1
OPTO 2
D5
D4
D3
+
-
D2
D1
-
+
PHASE ROTATION
440V
C24
C23
a
A
N
c
b
C
B
C
A
B
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)
NOTE 5.
N
C
B
110V
C22
C21
110V
C20
C10
C12
C13
C15
A
SENSITIVE
N
N
110V
C19
5A
1A
1A
5A
D17
CONNECTION
COMMON
D18
-
OPTO 5
OPTO 6
OPTO 7
OPTO 8
OPTO 4
D12
+
D16
D15
D14
D13
+
-
-
+
D10
D11
D9
D8
-
+
-
+
OPTO 3
D6
D7
+
-
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
10P14401
1
2
EXT CONN DIAG: FEEDER PROT'N RELAY (8 I/P & 7 O/P) USING
VEE CONNECTED VTs, 2 LINE CTs AND A CORE BALANCE CT
G
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