Table 384:
21YN Non group settings (Advanced)
Parameter
Values (Range)
Unit
Step
Default
Description
Admittance Clc mode
1=Normal
2=Delta
1=Normal
Admittance calculation mode
Reset delay time
0...60000
ms
1
20
Reset delay time
Pol reversal
0=False
1=True
0=False
Rotate polarizing quantity
Min trip current
0.01...1.00
xIn
0.01
0.01
Minimum operating current
Min trip voltage
0.01...1.00
xUn
0.01
0.01
Minimum operating voltage
IG or I0
1=Measured IG
2=Calculated I0
1=Measured IG
Selection for used Io signal
Vg or V0
1=Measured VG
2=Calculated V0
1=Measured VG
Selection for used Uo signal
4.2.4.9
Monitored data
Table 385:
21YN Monitored data
Name
Type
Values (Range)
Unit
Description
PICKUP_DUR
FLOAT32
0.00...100.00
%
Ratio of pickup time / trip time
FAULT_DIR
Enum
0=unknown
1=forward
2=backward
3=both
Detected fault direction
Y0_REAL
FLOAT32
-1000.00...1000.
00
mS
Real part of calculated neutral
admittance
Y0_IMAG
FLOAT32
-1000.00...1000.
00
mS
Imaginary part of calculated
neutral admittance
21YN
Enum
1=Enabled
2=blocked
3=test
4=test/blocked
5=Disabled
Status
4.2.4.10
Technical data
Table 386:
21YN Technical data
Characteristic
Value
Operation accuracy
1)
At the frequency f = f
n
±1.0% or ±0.01 mS
(In range of 0.5...100 mS)
Pickup time
2)
Minimum
Typical
Maximum
56 ms
60 ms
64 ms
Table continues on next page
Section 4
1MAC059074-MB A
Protection functions
400
615 series ANSI
Technical Manual
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