Siemens SIPROTEC 4 User Manual

Functions Pos. 14
and 15
50N/51N Insensitive time overcurrent protection ground via the
insensitive DGFD function: 50Ns-1, 50Ns-2, 51Ns
3)
50/50N Flexible protection functions (parameters from current):
additive overcurrent time protection 50-4
51V Voltage-controlled inverse-time overcurrent protection
49 Overload protection (with 2 time constants)
46 Negative sequence protection
37 Undercurrent monitoring
47 Phase rotation
59N/64 Displacement voltage
50BF Circuit breaker failure protection
74TC Trip circuit monitoring
— Cold-load pickup (dynamic setting changes) 50c, 51c,
50Nc, 51Nc, 67c, 67Nc
— Inrush restraint
86 Lock out
V, f, P 27/59
81O/U
27/47/59(N)
/32/55/81R
Under/Overvoltage 59-1, 59-2, 27-1, 27-2
Under/Overfrequency
QU protection
Flexible protection functions (parameters from current
and voltage): Voltage/power/power factor/frequency
change/voltage change protection
F E
IEF V, f, P 27/59
81O/U
—
27/47/59(N)
/32/55/81R
Under/Overvoltage 59-1, 59-2, 27-1, 27-2
Under/Overfrequency
QU protection
Intermittent ground fault
Flexible protection functions (parameters from current
and voltage): Voltage/power/power factor/frequency
change/voltage change protection
P E
Dir 67/67N Directional overcurrent protection F C
Dir V, f, P 67/67N
27/59
81O/U
27/47/59(N)
/32/55/81R
Directional overcurrent protection
Under/Overvoltage 59-1, 59-2, 27-1, 27-2
Under/Overfrequency
QU protection
Flexible protection functions (parameters from current
and voltage): Voltage/power/power factor/frequency
change/voltage change protection
F G
Dir IEF 67/67N
—
Directional overcurrent protection
Intermittent ground fault
P C
Dir IEF V, f, P 67/67N
27/59
81O/U
27/47/59(N)
/32/55/81R
—
Directional overcurrent protection
Under/Overvoltage 59-1, 59-2, 27-1, 27-2
Under/Overfrequency
QU protection
Flexible protection functions (parameters from current
and voltage): Voltage/ power/power factor/ frequency
change/voltage change protection
Intermittent ground fault
P G
Ordering Information and Accessories
A.1 Ordering Information 7SJ62 V4.9
528 SIPROTEC 4, 7SJ62/64, Manual
C53000-G1140-C207-8, Edition 08.2016

Siemens SIPROTEC 4 Specifications

General

Brand	Siemens
Model	SIPROTEC 4
Category	Protection Device
Language	English