Siemens SIPROTEC 7SD610 Manual page 345

Overcurrent Stages
Pickup value Iph>
(phases)
Pickup value 3I0>
(earth)
Delays
Pickup value Iph> STUB
(phases)
Pickup value 3I0> STUB
(earth)
Delays
Pickup thresholdIph> Dir.
(directional phases)
Pickup threshold3I0> Dir.
(Earth directional)
Time Delays
(directional stages)
Dropout ratio
Pick-up times
Dropout times
Tolerances
The set times are pure delay times
SIPROTEC, 7SD610, Manual
C53000-G1176-C145-6, Release date 02.2011
for I = 1 A 0.10 A to 25.00 A
N
or ∞ (ineffective)
for I = 5 A 0.50 A to 125.00 A
N
or ∞ (ineffective)
for I = 1 A 0.05 A to 25.00 A
N
or ∞ (ineffective)
for I = 5 A 0.25 A to 125.00 A
N
or ∞ (ineffective)
T Iph> 0.00 s to 30.00 s
or ∞ (ineffective)
T 3I0> 0.00 s to 30.00 s
or ∞ (ineffective)
for I = 1 A 0.10 A to 25.00 A
N
or ∞ (disabled)
for I = 5 A 0.50 A to 125.00 A
N
or ∞ (disabled)
for I = 1 A 0.05 A to 25.00 A
N
or ∞ (disabled)
for I = 5 A 0.25 A to 125.00 A
N
or ∞ (disabled)
T Iph STUB 0.00 s to 30.00 s
or ∞ (ineffective)
T 3I0 STUB 0.00 s to 30.00 s
or ∞ (ineffective)
for I = 1 A 0.10 A to 25.00 A
N
or ∞ (disabled)
for I = 5 A 0.50 A to 125.00 A
N
or ∞ (disabled)
for I = 1 A 0.05 A to 25.00 A
N
or ∞ (disabled)
for I = 5 A 0.25 A to 125.00 A
N
or ∞ (disabled)
T Iph> Dir. 0.00 s to 30.00 s
or ∞ (ineffective)
T 3I0> Dir. 0.00 s to 30.00 s
or ∞ (ineffective)
Approx . 0,93 for I/I
ca. 33 ms
Approx. 30 ms
Currents 3 % of setting value or 1 % nominal current
Times 1 % of setting value or 10 ms
4.8 Backup Time Overcurrent Protection
Increment 0.01 A
Increment 0.01 A
Increments 0.01 s
Increments 0.01 s
Increment 0.01 A
Increment 0.01 A
Increments 0.01 s
Increments 0.01 s
Increment 0.01 A
Increment 0.01 A
Increments 0.01 s
Increments 0.01 s
≥ 0,5
N
Technical Data
345