4.5.7.7
Settings
Table 568:
27RT Group settings (Basic)
Parameter
Values (Range)
Unit
Step
Default
Description
Voltage pickup value
0.05...1.20
xUn
0.01
0.90
Voltage value below which function pickups
Table 569:
27RT Non group settings (Basic)
Parameter
Values (Range)
Unit
Step
Default
Description
Operation
1=enable
5=disable
1=enable
Operation Disable / Enable
Num of pickup phases
4=Exactly 1 of 3
5=Exactly 2 of 3
6=Exactly 3 of 3
4=Exactly 1 of 3
Number of faulty phases
Voltage selection
1=Highest Ph-to-E
2=Lowest Ph-to-E
3=Highest Ph-to-
Ph
4=Lowest Ph-to-Ph
5=Positive Seq
4=Lowest Ph-to-
Ph
Parameter to select voltage for curve
monitoring
Active coordinates
1...10
1
3
Coordinates used for defining LVRT curve
Voltage level 1
0.00...1.20
xUn
0.01
0.20
1st voltage coordinate for defining LVRT curve
Voltage level 2
0.00...1.20
xUn
0.01
0.80
2nd voltage coordinate for defining LVRT curve
Voltage level 3
0.00...1.20
xUn
0.01
0.90
3rd voltage coordinate for defining LVRT curve
Voltage level 4
0.00...1.20
xUn
0.01
0.90
4th voltage coordinate for defining LVRT curve
Voltage level 5
0.00...1.20
xUn
0.01
0.90
5th voltage coordinate for defining LVRT curve
Voltage level 6
0.00...1.20
xUn
0.01
0.90
6th voltage coordinate for defining LVRT curve
Voltage level 7
0.00...1.20
xUn
0.01
0.90
7th voltage coordinate for defining LVRT curve
Voltage level 8
0.00...1.20
xUn
0.01
0.90
8th voltage coordinate for defining LVRT curve
Voltage level 9
0.00...1.20
xUn
0.01
0.90
9th voltage coordinate for defining LVRT curve
Voltage level 10
0.00...1.20
xUn
0.01
0.90
10th voltage coordinate for defining LVRT
curve
Recovery time 1
0...300000
ms
1
500
1st time coordinate for defining LVRT curve
Recovery time 2
0...300000
ms
1
1000
2nd time coordinate for defining LVRT curve
Recovery time 3
0...300000
ms
1
10000
3rd time coordinate for defining LVRT curve
Recovery time 4
0...300000
ms
1
10000
4th time coordinate for defining LVRT curve
Recovery time 5
0...300000
ms
1
10000
5th time coordinate for defining LVRT curve
Recovery time 6
0...300000
ms
1
10000
6th time coordinate for defining LVRT curve
Recovery time 7
0...300000
ms
1
10000
7th time coordinate for defining LVRT curve
Recovery time 8
0...300000
ms
1
10000
8th time coordinate for defining LVRT curve
Recovery time 9
0...300000
ms
1
10000
9th time coordinate for defining LVRT curve
Recovery time 10
0...300000
ms
1
10000
10th time coordinate for defining LVRT curve
1MAC059074-MB A
Section 4
Protection functions
615 series ANSI
665
Technical Manual
Summary of Contents for Relion 615 series
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