Siemens SENTRON 3WL10 Series Manual page 64

Description
2.4 Electronic trip unit ETU
Enhanced protection functions - only available with
MF Advanced metering function
V Undervoltage protection V
u
Protection function can be enabled/disabled
Setting range of undervoltage protection
U = U x ...
u n
Setting range of the delay time for undervoltage
protection
Enabling/disabling of tripping on undervoltage
protection
V Overvoltage protection V
o
Protection function can be enabled/disabled
Setting range of overvoltage protection
U = U x ...
o n
Setting range of the delay time for overvoltage
protection
Enabling/disabling of tripping on overvoltage
protection
f Underfrequency protection f
u
Protection function can be enabled/disabled
Setting range for underfrequency protection
f = f x ...
u n
Setting range of the delay time for
underfrequency protection
Enabling/disabling of tripping on
underfrequency protection
f Overfrequency protection f
o
Protection function can be enabled/disabled
Setting range for overfrequency protection
f = f x ...
o n
Setting range of the delay time for
overfrequency protection
Enabling/disabling of tripping on
overfrequency protection
PP Reverse power protection RP
Protection function can be enabled/disabled
Setting range for reverse power PR = S
Setting range of the delay time for reverse
power protection
Definition of direction of power flow
Enabling/disabling of tripping on reverse power
62
ETU650 LSI
u
●
0.5 to 0.98 (in steps of 0.01)
Default value: 0.9
0.05 to 120 s (in steps of 0.01)
Default value: 10 s
●
o
●
1.02 to 1.5 (in steps of 0.01)
Default value: 1.05
0.05 to 120 s (in steps of 0.01)
Default value: 10 s
●
u
●
0.9 to 0.999 (in steps of 0.001)
Default value: 0.9
3 to 300 s (in steps of 0.01)
Default value: 3 s
●
o
●
1.001 to 1.1 (in steps of 0.001)
Default value: 1.1
3 to 300 s (in steps of 0.01)
Default value: 3 s
●
●
x ... -0.050 ... -1.0 (in steps of
n
0.001)
Default value: -0.1
0.5 to 100 s (in steps of 0.1)
Default value: 5 s
Bottom → top; top → bottom
Default value: top → bottom
●
ETU660 LSIG
●
0.5 to 0.98 (in steps of 0.01)
Default value: 0.9
0.05 to 120 s (in steps of 0.01)
Default value: 10 s
●
●
1.02 to 1.5 (in steps of 0.01)
Default value: 1.05
0.05 to 120 s (in steps of 0.01)
Default value: 10 s
●
●
0.9 to 0.999 (in steps of 0.001)
Default value: 0.9
3 to 300 s (in steps of 0.01)
Default value: 3 s
●
●
1.001 to 1.1 (in steps of 0.001)
Default value: 1.1
3 to 300 s (in steps of 0.01)
Default value: 3 s
●
●
-0.050 ... -1.0 (in steps of
0.001)
Default value: -0.1
0.5 to 100 s (in steps of 0.1)
Default value: 5 s
●
Air circuit breaker 3WL10
Manual, 11/2017, L1V30499596002-01