ANSI Function Abbr.
Available in 7SJ82
Available in 7SJ85
Template 1
Template 2
Template 3
Template 4
Template 5
Template 6
Template 7
27 Undervoltage protection, 1-phase,
universal, Vx
Vx< x x
27/Q Undervoltage-controlled reactive-
power protection
QU x x
32R Reverse power protection -P< x x
32, 37 Power protection active/reactive power P<>, Q<> x x
37 Undercurrent protection I< x x x x x
38 Temperature Supervision TmpUb x x
46 Negative sequence overcurrent protec-
tion
I2> x x x x x
46 Unbalanced-load protection (thermal)
I2
2
t>
x x
46 Negative sequence overcurrent protec-
tion with direction
I2>, ∠
(V2, I2)
x x
49 Thermal overload protection
Θ, I
2
t
x x 3 x
49 Thermal overload protection with user-
def. charac. curve
Θ, I
2
t
x x
49 Thermal overload protection for RLC
element
Θ, I
2
t
x x x
50TD/
51
Overcurrent protection, phases -
advanced
I> x x x
50TD/
51
Overcurrent protection, phases - basic I> x x x x x x 3 x
50TD/
51
OC-3ph protection for RLC elements x x
50NTD/
51N
Overcurrent protection, ground -
advanced
IN> x x x
50NTD/
51N
Overcurrent protection, ground - basic IN> x x x x x x x
50N/
51N
Overcurrent protection, 1-phase -
advanced
I>1pA x x
50N/
51N
Overcurrent protection, 1-phase - basic I>1pB x x
50HS High speed instantaneous overcurrent
protection
I>>> x x
50Ns/
51Ns
Sensitive ground-current protection for
systems with resonant or isolated
neutral
INs> x x
50BF Circuit-breaker failure protection x x x
RBRF Restrike protection x x
51V OC-3phase voltage-dependent x x
59 Overvoltage protection, 3-phase V> x x x
59 Overvoltage protection, positive-
sequence system
V1> x x
Applications
4.2 Application Templates and Functional Scope for the Devices 7SJ82/7SJ85
190 SIPROTEC 5, Overcurrent Protection, Manual
C53000-G5040-C017-8, Edition 07.2017