ABB RET670 Product Manual page 76

Transformer protection
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Transformer protection RET670
Customized
Product version: 1.2
Logic
Table 72. Tripping logic SMPPTRC
Function
Trip action
Minimum trip pulse length
Timers
Table 73. Configurable logic blocks
Logic block
Quantity with cycle time
fast
LogicAND
60
LogicOR
60
LogicXOR
10
LogicInverter
30
LogicSRMemory
10
LogicRSMemory
10
LogicGate
10
LogicTimer
10
LogicPulseTimer
10
LogicTimerSet
10
LogicLoopDelay
10
Trip Matrix Logic
6
Boolean 16 to Integer
4
Boolean 16 to integer
4
with Logic Node
Integer to Boolean 16
4
Integer to Boolean 16
4
with Logic Node
76
Range or value
3-ph, 1/3-ph, 1/2/3-ph
(0.000-60.000) s
(0.000-60.000) s
Range or value
medium
normal
60
160
-
60
160
-
10
20
-
30
80
-
10
20
-
10
20
-
10
20
-
10
20
(0.000–90000.000) s
10
20
(0.000–90000.000) s
10
20
(0.000–90000.000) s
10
20
(0.000–90000.000) s
6
-
-
4
8
-
4
8
-
4
8
-
4
8
-
1MRK 504 117-BEN D
Accuracy
-
± 0.5% ± 10 ms
± 0.5% ± 10 ms
Accuracy
-
-
-
-
-
-
-
± 0.5% ± 10 ms
± 0.5% ± 10 ms
± 0.5% ± 10 ms
± 0.5% ± 10 ms
-
-
-
-
-
ABB

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