Siemens SIPROTEC 7SD610, Руководство пользователя

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Technical Data
4.8 Backup Time Overcurrent Protection
SIPROTEC, 7SD610, Manual
C53000-G1176-C145-6, Release date 02.2011
347
Inverse Time Stages (ANSI)
Pickup value Ip>I
(phases) for I
N
= 1 A 0.10 A to 4.00 A
or
∞
(disabled)
Increment 0.01 A
for
I
N
= 5 A 0.50 A to 20.00 A
or
∞
(disabled)
Pickup threshold3I0p PICKUP
(Earth) for I
N
= 1 A 0.05 A to 4.00 A
or
∞
(disabled)
Increment 0.01 A
for
I
N
= 5 A 0.25 A to 20.00 A
or
∞
(disabled)
Time factors Time Dial TD Ip
(Phases) 0.50 s to 15.00 s
or
∞
(ineffective)
Increments 0.01 s
TimeDial TD3I0p
(Earth) 0.50 s to 15.00 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
Pickup and dropout thresholds
I
P
, 3 I
0P
3 % of setting value or 1 % of nominal current
Pickup time 2
≤
I / I
P
≤
20 and D
I P
≥
1 s
Pickup time 2
≤ I
/3
I
0P
≤
20 and D
3
I
0P
≥
1 s
5 % of setting value or
±
15 ms
5 % of setting value or
±
15 ms
Defined times 1 % of setting value or 10 ms
Pickup value Ip> Dir.I
(directional phases) for
I
N
= 1 A 0.10 A to 4.00 A
or
∞
(disabled)
Increment 0.01 A
for I
N
= 5 A 0.50 A to 20.00 A
or
∞
(disabled)
Pickup value 3I0p Dir.I
(directional earth) for
I
N
= 1 A 0.05 A to 4.00 A
or
∞
(disabled)
Increment 0.01 A
for I
N
= 5 A 0.25 A to 20.00 A
or
∞
(disabled)
Time factors
(directional stages) D Ip Dir. (Phases) 0.50 s to 15.00 s
or
∞
(ineffective)
Increments 0.01 s
D 3I0p Dir. (Earth) 0.50 s to 15.00 s
or
∞
(ineffective)
Increments 0.01 s
Additional time delays
(directional stages) T Ip Add Dir.
(Phases) 0.00 s to 30.00 s Increments 0.01 s
T 3I0p Add Dir.
(Earth) 0.00 s to 30.00 s Increments 0.01 s
Tolerances (directional stages)
Pickup and dropout thresholds
I
PDir
, 3
I
0PDir
3 % of setting value or 1 % of nominal current
Pickup time 2
≤ I
/
I
PDir
≤
20 and D
I
PDir
≥
1 s
Pickup time 2
≤
I /3 I
0PDir
≤
20 and D
3 I 0PDir
≥
1 s
5 % of setting value or
±
15 ms
5 % of setting value or
±
15 ms
Characteristics See Figure 4-3 and 4-4
Defined times 1 % of set value or 10 ms