Functions
2.3 Directional Gound Overcurrent Protection 67N
SIPROTEC, 7SK80, Manual
E50417-G1140-C344-A4, Release date 08.2010
92
2.3.10 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
1601 FCT 67N/67N-TOC OFF
ON
OFF 67N, 67N-TOC Ground
Time Overcurrent
1602 67N-2 PICKUP 1A 0.05 .. 35.00 A; ∞ 0.50 A 67N-2 Pickup
5A 0.25 .. 175.00 A; ∞ 2.50 A
1603 67N-2 DELAY 0.00 .. 60.00 sec; ∞ 0.10 sec 67N-2 Time Delay
1604 67N-1 PICKUP 1A 0.05 .. 35.00 A; ∞ 0.20 A 67N-1 Pickup
5A 0.25 .. 175.00 A; ∞ 1.00 A
1605 67N-1 DELAY 0.00 .. 60.00 sec; ∞ 0.50 sec 67N-1 Time Delay
1607 67N-TOC PICKUP 1A 0.05 .. 4.00 A 0.20 A 67N-TOC Pickup
5A 0.25 .. 20.00 A 1.00 A
1608 67N-TOC T-DIAL 0.05 .. 3.20 sec; ∞ 0.20 sec 67N-TOC Time Dial
1609 67N-TOC T-DIAL 0.50 .. 15.00 ; ∞ 5.00 67N-TOC Time Dial
1610 67N-TOC DropOut Instantaneous
Disk Emulation
Disk Emulation Drop-Out Characteristic
1611 67N-TOC IEC Normal Inverse
Very Inverse
Extremely Inv.
Long Inverse
Normal Inverse IEC Curve
1612 67N-TOC ANSI Very Inverse
Inverse
Short Inverse
Long Inverse
Moderately Inv.
Extremely Inv.
Definite Inv.
Very Inverse ANSI Curve
1613A MANUAL CLOSE 67N-2 instant.
67N-1 instant.
67N-TOC instant
Inactive
67N-2 instant. Manual Close Mode
1614A 67N-2 active always always 67N-2 active
1616 67N Direction Forward
Reverse
Non-Directional
Forward Ground Direction
1617 67N POLARIZAT. with VN and IN
with V2 and I2
with VN and IN Ground Polarization
1618A 67N T DROP-OUT 0.00 .. 60.00 sec 0.00 sec 67N Drop-Out Time Delay
1619A ROTATION ANGLE -180 .. 180 ° -45 ° Rotation Angle of Refer-
ence Voltage
1620A 67N-2 MEASUREM. Fundamental
True RMS
Fundamental 67N-2 measurement of
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