Siemens SIPROTEC 7SJ61 User Manual

Functions
2.9 Ground Fault Protection 50N(s), 51N(s)
SIPROTEC, 7SJ61, Manual
C53000-G1140-C210-1, Release date 02.2008
154
2.9.4 Settings
Addresses which have an appended "A" can only be changed with DIGSI, under "Display Additional Settings".
The table indicates region-specific default settings. Column C (configuration) indicates the corresponding sec-
ondary nominal current of the current transformer.
Addr. Parameter C Setting Options Default Setting Comments
3101 Sens. Gnd Fault OFF
ON
OFF (Sensitive) Ground Fault
3113 50Ns-2 PICKUP 0.001 .. 1.500 A 0.300 A 50Ns-2 Pickup
3113 50Ns-2 PICKUP 1A 0.05 .. 35.00 A 10.00 A 50Ns-2 Pickup
5A 0.25 .. 175.00 A 50.00 A
3114 50Ns-2 DELAY 0.00 .. 320.00 sec; ∞ 1.00 sec 50Ns-2 Time Delay
3117 50Ns-1 PICKUP 0.001 .. 1.500 A 0.100 A 50Ns-1 Pickup
3117 50Ns-1 PICKUP 1A 0.05 .. 35.00 A 2.00 A 50Ns-1 Pickup
5A 0.25 .. 175.00 A 10.00 A
3118 50Ns-1 DELAY 0.00 .. 320.00 sec; ∞ 2.00 sec 50Ns-1 Time delay
3119 51Ns PICKUP 0.001 .. 1.400 A 0.100 A 51Ns Pickup
3119 51Ns PICKUP 0.003 .. 0.500 A 0.004 A 51Ns Pickup
3119 51Ns PICKUP 1A 0.05 .. 4.00 A 1.00 A 51Ns Pickup
5A 0.25 .. 20.00 A 5.00 A
3120 51NsTIME DIAL 0.10 .. 4.00 sec; ∞ 1.00 sec 51Ns Time Dial
3121A 50Ns T DROP-OUT 0.00 .. 60.00 sec 0.00 sec 50Ns Drop-Out Time
Delay
3127 51Ns I T min 0.003 .. 1.400 A 1.333 A 51Ns Current at const.
Time Delay T min
3127 51Ns I T min 1A 0.05 .. 20.00 A 15.00 A 51Ns Current at const.
Time Delay T min
5A 0.25 .. 100.00 A 75.00 A
3128 51Ns I T knee 0.003 .. 0.650 A 0.040 A 51Ns Current at Knee
Point
3128 51Ns I T knee 1A 0.05 .. 17.00 A 5.00 A 51Ns Current at Knee
Point
5A 0.25 .. 85.00 A 25.00 A
3129 51Ns T knee 0.20 .. 100.00 sec 23.60 sec 51Ns Time Delay at Knee
Point
3131 M.of PU TD 1.00 .. 20.00 MofPU; ∞
0.01 .. 999.00 TD
Multiples of PU Time-
Dial
3132 51Ns TD 0.05 .. 1.50 0.20 51Ns Time Dial
3140 51Ns Tmin 0.00 .. 30.00 sec 1.20 sec 51Ns Minimum Time
Delay
3140 51Ns T min 0.10 .. 30.00 sec 0.80 sec 51Ns Minimum Time
Delay
3141 51Ns Tmax 0.00 .. 30.00 sec 5.80 sec 51Ns Maximum Time
Delay

Siemens SIPROTEC 7SJ61 Specifications

General

Brand	Siemens
Model	SIPROTEC 7SJ61
Category	Controller
Language	English