Siemens SIPROTEC 7SJ80 User Manual

intermittent ground fault is present or not. For with oper. dir., recording starts when a direction pulse in
the direction parameterized at 3402 has been detected.
Settings
Addr. Parameter Setting Options Default Setting Comments
3401 Dir. Interm. EF OFF
ON
ON with GF log
Alarm Only
OFF Dir. Intermittent earth fault
protection
3402 Direction Forward
Reverse
Forward Direction to be protected
3403 No. of pulses 2 .. 50 5 Pulse no. for detecting the interm.
E/F
3404 Monitoring time 0.04 .. 10.00 sec 2.00 sec Monitoring time after pickup
detected
3405 Vgnd> / 3V0> 2.0 .. 100.0 V 20.0 V Vgnd> measured / 3V0> calcu-
lated
3406 Pickup with Vgnd/3V0>
with oper. dir.
with Vgnd/3V0> Pickup of the function
Information List
No.
Information Type of
Informa-
tion
Comments
6951 >dIEF block SP >Block directional interm. E/F prot.
6961 dIEF OFF OUT Dir. Interm. E/F prot. is switched off
6962 dIEF blocked OUT Dir. Interm. E/F prot. is blocked
6963 dIEF active OUT Dir. Interm. E/F prot. is active
6972 dIEF pick up OUT dIEF: pick up
6973 dIEF TRIP OUT dIEF: Trip
6974 No.forward= VI dIEF: No. of detected forward pulses =
6975 No.reverse= VI dIEF: No. of detected reverse pulses =
6976 No.undef.= VI dIEF: No. of detected undefined pulses =
6979 dIEF ALARM OUT dIEF: Alarm
2.14.3
2.14.4
Functions
2.14 Dir. Intermittent earth fault protection
208 SIPROTEC 4, 7SJ80, Manual
E50417-G1140-C343-A8, Edition 12.2017

Siemens SIPROTEC 7SJ80 Specifications

General

Rated Frequency	50/60 Hz
Rated Current	1 A / 5 A
Operating Temperature	-25°C to +55°C
Storage Temperature	-40°C to +70°C
Current Transformer Inputs	4
Application	Protection of feeders, motors, transformers, and generators
Rated Voltage	100-240 V AC/DC
Communication Protocols	IEC 61850, Modbus, DNP3, IEC 60870-5-103
Display	Graphical LCD
Mounting	Flush mounting
Protection Functions	Overcurrent, Earth fault
Communication Interfaces	Ethernet, RS485
Housing	Plastic
Weight	Approx. 1.5 kg