Appendix L L-PRO Setting Example
Appendix L-24
L-PRO 4000 User Manual
D02706R02.30
Communication
-aided Tripping
Scheme Timer
Considerations
The basic selection does not provide any communication-aided logic for local
or remote protections.
Figure L.40: Communication-aided Scheme
PUTT SCHEME
DCB SCHEME
WEAK INFEED LOGIC
113
111
(If DCB shceme is
selected, Zone 4 must
be set reverse)
0
TWD3
3ms
TWD2
POTT SCHEME
118
117
102
104
105
106
108
110
114
6ms
TWD1
TL2
0
103
0
TD2
107
Receiver #1
Receiver #2
112
20ms
0
60
27 V1
59 V0
120
Receiver #1
Receiver #2
(+)
51N Alarm
50N-67F
21P2
21N2
50N-67R
101
TL1
TD1
116
21-4 R
21-2
21-2
119
115
Weak Infeed Enable
Switch
Receiver #1
Receiver #2
(+)
POTT
BASIC
SCHEME SELECTOR
PUTT
TL3, TD3 range: 0-1s
DCB
TL3
TD3
POTT
BASIC
PUTT
DCB
121
3I0 > Pickup
Forward
(+)
Non-directional
TCS
0
122
3I0 > Pickup
Reverse
TCB
0
21N4
21P4
21N2
21P2
21N1
21P1
Trip
S
Содержание L-PRO 4000
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