Settings - Siemens siprotec 7SA6 User Manual

6.11.3 Settings

Addr. Setting Title
3001 Sens. Earth Flt
3002 3U0>
3003 Uph-e min
3004 Uph-e max
3005 3I0>
3006 T Sens.E/F
3007 T 3U0>
3008A TRIP Direction
3010 CT Err. I1
3011 CT Err. F1
3012 CT Err. I2
3013 CT Err. F2
7SA6 Manual
C53000-G1176-C133-1
(UU ) (address ) of the c.t. with its associated current &7 (UU , (address
) as well as a further c.t. operating point &7 (UU )/&7 (UU , (address
 and ), above which the angle displacement remains practically constant
(see Figure 6-92), are set. The relay then approximates, with adequate accuracy, the
characteristic of the transformer. In isolated networks this angle error compensation is
not necessary.
∆ϕ
,
)
)
Figure 6-92 Settings for the phase angle correction
Note: The indicated secondary current values refer to current input I
independent from the nominal value of the device.
Setting Options
Alarm Only
ON
OFF
1..150 V
10..100 V
10..100 V
0.003..1.000 A
0.00..320.00 sec; Ø
0.00..320.00 sec; Ø
Forward
Reverse
Non-Directional
0.003..1.600 A
0.0..5.0 °; Ø
0.003..1.600 A
0.0..5.0 °; Ø
Default Setting
Alarm Only Sensitive Earth Flt.(comp/ isol.
starp.)
50 V 3U0> pickup
40 V Uph-e min of faulted phase
75 V Uph-e max of healthy phases
0.050 A 3I0> Release directional ele-
ment
1.00 sec Time delay for sens. E/F detec-
tion
0.00 sec Time delay for sens. E/F trip
Forward Direction for sens. E/F trip
0.050 A Current I1 for CT Angle Error
0.0 °
CT Angle Error at I1
1.000 A Current I2 for CT Angle Error
0.0 °
CT Angle Error at I2
Functions
,
I
. They are
4
Comments
6-165