Siemens SIPROTEC 7SD610 - Page 340

4 Technical Data
340
7SD610 Manual
C53000-G1176-C145-4
Inverse Current Stage (IEC)
Pickup value Iph> STUB
(phases)
for I
N
= 1 A 0.10 A to 25.00 A
or ∞ (disabled)
Increment 0.01 A
for I
N
= 5 A 0.50 A to 125.00 A
or ∞ (disabled)
Pickup value 3I0> STUB
(earth)
for I
N
= 1 A 0.05 A to 25.00 A
or ∞ (disabled)
Increment 0.01 A
for I
N
= 5 A 0.25 A to 125.00 A
or ∞ (disabled)
Delays T Iph STUB 0.00 s to 30.00 s
or ∞ (ineffective)
Increments 0.01 s
T 3I0 STUB 0.00 s to 30.00 s
or ∞ (ineffective)
Increments 0.01 s
Pickup thresholdIph> Dir.
(directional phases)
for I
N
= 1 A 0.10 A to 25.00 A
or ∞ (disabled)
Increment 0.01 A
for I
N
= 5 A 0.50 A to 125.00 A
or ∞ (disabled)
Pickup threshold3I0> Dir.
(Earth directional)
for I
N
= 1 A 0.05 A to 25.00 A
or ∞ (disabled)
Increment 0.01 A
for I
N
= 5 A 0.25 A to 125.00 A
or ∞ (disabled)
Time Delays
(directional stages)
T Iph> Dir. 0.00 s to 30.00 s
or ∞ (ineffective)
Increments 0.01 s
T 3I0> Dir. 0.00 s to 30.00 s
or ∞ (ineffective)
Increments 0.01 s
Dropout ratio Approx . 0,93 for I/I
N
≥ 0,5
Pick-up times Approx. 25 ms
Dropout times Approx. 30 ms
Tolerances Currents 3 % of setting value or 1 % nominal current
Times 1 % of setting value or 10 ms
The set times are pure delay times
Pickup value Ip>I
(phases)
for I
N
= 1 A 0.10 A to 4.00 A
or ∞ (ineffective)
Increment 0.01 A
for I
N
= 5 A 0.50 A to 20.00 A
or ∞ (ineffective)
(earth)
Pickup value3I0p PICKUP
for I
N
= 1 A 0.05 A to 4.00 A
or ∞ (ineffective)
Increment 0.01 A
for I
N
= 5 A 0.25 A to 20.00 A
or ∞ (ineffective)
Time factors T Ip Time Dial
(Phases)
0.05 s to 3.00 s
or ∞ (ineffective)
Increments 0.01 s
T 3I0p TimeDial
(Earth)
0.05 s to 3.00 s
or ∞ (ineffective)
Increments 0.01 s
Additional time delays T Ip Add (Phases) 0.00 s to 30.00 s Increments 0.01 s
T 3I0p Add (Earth) 0.00 s to 30.00 s Increments 0.01 s
Tolerances currents Pickup at 1.05 ≤ I/I
P
≤ 1.15
or 1.05 ≤ I/3I
0P
≤ 1.15
Tolerances times 5 % ± 15 ms for 2 ≤ I/I
P
≤ 20 and 0.1 ≤ T
IP
/s ≤ 2
or 2 ≤ I/3I
0P
≤ 20 and 0.1 ≤ T
3I0P
/s ≤ 2
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