Siemens SIPROTEC 4 - Page 530

Functions Pos. 14
and 15
DGFD motor Dir IEF V, f, P 67/67N
67Ns
67Ns
87N
—
48/14
66/86
51M
27/59
81O/U
27/47/59(N)
/32/55/81R
Directional overcurrent protection
Directional sensitive ground fault detection
Directional detection of intermittent ground faults
High-impedance ground fault differential protection
Intermittent ground fault
Motor starting protection, locked rotor
Restart inhibit for motors
Load jam protection in motors, motor statistics
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
R H
1)
motor Dir V, f, P 67/67N
48/14
66/86
51M
27/59
81O/U
27/47/59(N)
/32/55/81R
Directional overcurrent protection
Motor starting protection, locked rotor
Restart inhibit for motors
Load jam protection in motors, motor statistics
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
H G
motor 48/14
66/86
51M
Motor starting protection, locked rotor
Reclosing lockout
Load jam protection in motors, motor statistics
H A
DGFD = Directional ground fault detection
IEF = Intermittent ground (earth) fault protection
Dir = Directional Time Overcurrent Protection (67 and 67N Elements)
V, f, P = Voltage protection, frequency protection, power protection
1)
for isolated/compensated networks, only for sensitive ground current transformer if 7th digit = 2, 6
2)
only for non-sensitive ground current transformer if 7th digit = 1, 5, 7
Automatic Reclosing (79) / Fault Locator
Pos. 16
No 79, no fault locator 0
79 With 79 1
21FL With fault locator 2
79, 21FL With 79 and fault locator 3
25
with synchronization check
1)
4
1)
25, 79, 21FL with synchronization check, with auto-reclose system,
with fault locator
1)
7
1)
1)
Synchrocheck (no asynchronous switching), one function group, available only for 7SJ623, 7SJ624, 7SJ625
and 7SJ626
Ordering Information and Accessories
A.1 Ordering Information 7SJ62 V4.9
530 SIPROTEC 4, 7SJ62/64, Manual
C53000-G1140-C207-8, Edition 08.2016