Siemens siprotec 7SA522 User Manual

Appendix
B-10
2661 ANSI Curve Backup overcurrent Inverse
Short Inverse
Long Inverse
Moderately Inverse
Very Inverse
Extremely Inverse
Definite Inverse
Inverse ANSI Curve
2670 I(3I0)p Tele/BI Backup overcurrent NO
YES
NO Instantaneous trip via Teleprot./BI
2671 I(3I0)p SOTF Backup overcurrent NO
YES
NO Instantaneous trip after SwitchOnTo-
Fault
2680 SOTF Time DELAY Backup overcurrent 0.00..30.00 sec 0.00 sec Trip time delay after SOTF
2901 MEASURE.
SUPERV
Measurement
Supervision
ON
OFF
ON Measurement Supervision
2902 BALANCE U-LIMIT Measurement
Supervision
10..100 V 50 V Voltage Threshold for Balance Moni-
toring
2903 BAL. FACTOR U Measurement
Supervision
0.58..0.95 0.75 Balance Factor for Voltage Monitor
2904 BALANCE I LIMIT Measurement
Supervision
0.10..1.00 A 0.50 A Current Balance Monitor
2905 BAL. FACTOR I Measurement
Supervision
0.10..0.95 0.50 Balance Factor for Current Monitor
2906 ΣI THRESHOLD Measurement
Supervision
0.05..2.00 A 0.10 A Summated Current Monitoring Thresh-
old
2907 ΣI FACTOR Measurement
Supervision
0.00..0.95 0.10 Summated Current Monitoring Factor
2910 FUSE FAIL MON. Measurement
Supervision
ON
OFF
ON Fuse Failure Monitor
2911 FFM U>(min) Measurement
Supervision
10..100 V 30 V Minimum Voltage Threshold U>
2912 FFM I< (max) Measurement
Supervision
0.10..1.00 A 0.10 A Maximum Current Threshold I<
2913 FFM U<max (3ph) Measurement
Supervision
2..100 V 5 V Maximum Voltage Threshold U<
(3phase)
2914 FFM Idelta (3p) Measurement
Supervision
0.05..1.00 A 0.10 A Delta Current Threshold (3phase)
2921 T mcb Measurement
Supervision
0..30 ms 0 ms T mcb
3101 FCT EarthFltO/C Earth fault overcur-
rent
ON
OFF
ON Earth Fault overcurrent function is
3102 BLOCK for Dist. Earth fault overcur-
rent
with every Pickup
with single-phase Pickup
with multi-phase Pickup
NO
with every Pickup Block E/F for Distance protection
3103 BLOCK 1pDeadTim Earth fault overcur-
rent
YES
NO
NO Block E/F for 1pole Dead time
3104 Iph-STAB. Slope Earth fault overcur-
rent
0..30 % 10 % Stabilisation Slope with Iphase
3105 3IoMin Teleprot Earth fault overcur-
rent
0.01..1.00 A 0.50 A 3Io-Min threshold for Teleprot.
schemes
3105 3IoMin Teleprot Earth fault overcur-
rent
0.003..1.000 A 0.500 A 3Io-Min threshold for Teleprot.
schemes
3110 Op. mode 3I0>>> Earth fault overcur-
rent
Forward
Reverse
Non-Directional
Inactive
Inactive Operating mode
3111 3I0>>> Earth fault overcur-
rent
0.50..25.00 A 4.00 A 3I0>>> Pickup
Addr. Setting Title Function Setting Options Default Setting Comments

Siemens siprotec 7SA522 Specifications

General

Brand	Siemens
Model	siprotec 7SA522
Category	Protection Device
Language	English