Siemens SIPROTEC 7SJ62 Instruction Manual

Functions
6-377SJ62 Manual
C53000-G1140-C121-1
6.2.2.5 Settings for Ground Overcurrent Protection
In the list below, the setting ranges and default setting values for the pickup currents
are for a device with a nominal current rating I
N
= 5 A. For a nominal current rating I
N
= 1 A, divide the Setting Options values and Default Setting values by 5. Consider the
current transformer ratios when setting the device with primary values.
Addr. LCD-Text Setting Options Default Setting Comments Configuration
Definite Time Only IEC Curve ANSI Curve User Defined Pickup User def. Reset
1301 FCT 50N/51N ON
OFF
ON Time-overcurrent protection
enabling
XXXXX
1302 50N-2 PICKUP 0.25 ~ 175.00 A 2.50 A Pickup setting of the 50N-2
element
XXXXX
1303 50N-2 DELAY 0.00 ~ 60.00
sec
0.10 sec Delay setting of the 50N-2
element
XXXXX
1304 50N-1 PICKUP 0.25 ~ 175.00 A 1.00 A Pickup setting of the 50N-1
element
XXXXX
1305 50N-1 DELAY 0.00 ~ 60.00
sec
0.50 sec Delay setting of the 50N-1
element
XXXXX
1307 51N PICKUP 0.50 ~ 20.00 A 1.00 A Pickup setting of the 51N
element
XXXX
1308 51N TIME
DIAL
0.05 ~ 3.20 sec 0.20 sec Time multiplier T IGp, IEC and
User Defined Curves
XXX
1309 51N TIME
DIAL
0.50 ~ 15.00 5.00 sec Time dial setting, ANSI X
1310 51N RESET Instantaneous
Disk Emulation
Disk Emulation Characteristics of 51N dropout X X
1311 51N IEC
CURVE
Inverse
Very Inverse
Extremely
Inverse
Long Inverse
Inverse Characteristic curve (IEC) X
X
X
X
X
X
X
X
X
X
1312 51N ANSI
CURVE
Very Inverse
Inverse
Short Inverse
Long inverse
Moderately Inv.
Extremely
Inverse
Definite Inverse
Very inverse Characteristic curve (ANSI) X
X
X
X
X
X
X
X
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Siemens SIPROTEC 7SJ62 Specifications

General

Brand	Siemens
Model	SIPROTEC 7SJ62
Category	Relays
Language	English