Section 4
1MAC050144-MB C
Protection functions
128
615 series ANSI
Technical Manual
4.1.2.7
Signals
Table 112: 51LT Input signals
Table 113: 51LT Output signals
4.1.2.8
Settings
Table 114: 51LT Group settings
Name
Type
Default
Description
I_A
SIGNAL
0
Phase A current
I_B
SIGNAL
0
Phase B current
I_C
SIGNAL
0
Phase C current
BLOCK
BOOLEAN
0=false
Block signal for activating the blocking mode
ENA_MULT
BOOLEAN
0-false
Enable signal for current multiplier
Name
Type
Description
TRIP
BOOLEAN
Trip
PICKUP
BOOLEAN
Pickup
Parameter
Values (Range)
Unit
Step
Default
Description
Pickup value
0.05...5.00
xIn
0.01
1.00
Pickup value
Pickup value mult
0.8...10.0
0.1
1.0
Multiplier for scaling the pickup value
Time multiplier
1.0...15.0
0.1
1.0
Time multiplier in IEC/ANSI IDMT curves
Trip delay time
40...200000
ms
10
40
Trip delay time
Operating curve type
1=LT Ext Inv
2=LT Very Inv
3=LT Inv
4=LT Mod Inv
5=Long DT
6=Very LT Ext Inv
7=Very LT Very Inv
8=Very LT Inv
9=LT Normal Inv
14=IEC LT Inv
17=Programmable
5=Long DT
Selection of time delay curve type
Type of reset curve
1=Immediate
2=Def time reset
3=Inverse reset
1=Immediate
Selection of reset curve type
Содержание 615 Series ANSI
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Страница 389: ...Section 4 1MAC050144 MB C Protection functions 382 615 series ANSI Technical Manual ...
Страница 485: ...Section 6 1MAC050144 MB C Supervision functions 478 615 series ANSI Technical Manual ...
Страница 635: ...Section 10 1MAC050144 MB C Other functions 628 615 series ANSI Technical Manual ...
Страница 707: ...Section 15 1MAC050144 MB C Applicable standards and regulations 700 615 series ANSI Technical Manual ...
Страница 711: ...Section 16 1MAC050144 MB C Glossary 704 615 series ANSI Technical Manual ...
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