22
22
NV10P - Manual - 01 - 2015
TECHNICAL DATA
f>>
Reduced Operating time
(
t
cf
>>
def
)
0.07...10.00 s (step 0.01 s)
t
cf
>> Activation time (
t
atcf
>>)
1...60 s (step 1 s)
Pickup time
≤
0.03 s
Dropout ratio
≥
0.998
Dropout time
≤
0.04 s
Overshoot
time
0.04
s
Pickup
accuracy ±
20 mHz
Operate time accuracy
1.5%
±
10 ms
[1]
Frequency rate of change (81R)
df> Element
df> Operating mode (
Mode-df>
)
Module/Positive/Negative
Defi nite time
81R First threshold defi nite time (
df
>
def
)
0.1...10.0 Hz/s (step 0.1 Hz/s)
df
>
def
Operating time (
tdf
>
def
)
0.00...100.0
s
0.00...0.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
df>> Element
df>> Operating mode (
Mode-df>>
)
Module/Positive/Negative
Defi nite time
81R Second threshold defi nite time (
df
>>
def
)
0.1...10.0 Hz/s (step 0.1 Hz/s)
df
>>
def
Operating time (
tdf
>>
def
) 0.00...100.0
s
0.00...0.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
df>>> Element
df>>> Operating mode (
Mode-df>>>
)
Module/Positive/Negative
Defi nite time
81R Third threshold defi nite time (
df
>>>
def
)
0.1...10.0 Hz/s (step 0.1 Hz/s)
df
>>>
def
Operating time (
tdf
>>>
def
)
0.00...100.0
s
0.00...0.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
df>>>> Element
df>>>> Operating mode (
Mode-df>>>>
)
Module/Positive/Negative
Defi nite time
81R Fourth threshold defi nite time (
df
>>>>
def
)
0.1...10.0 Hz/s (step 0.1 Hz/s)
df
>>>>
def
Operating time (
tdf
>>>>
def
)
0.00...100.0
s
0.00...0.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
Pickup time
≤
0.3 s with setting
d
f: 0.1...0.9 Hz/s
≤
0.2 s with setting
d
f: 1.0...4.9 Hz/s
≤
0.1 s with setting
d
f: 4.9...10.0 Hz/s
Dropout time
≤
0.05 s
Reference values
rest 0
d
f
trip
1.5
d
f
Pickup accuracy
±
20 mHz/s with setting
d
f: 0.1...0.9 Hz/s
±
50 mHz/s with setting
d
f: 1.0...4.9 Hz/s
±
200 mHz/s with setting
d
f: 4.9...10.0 Hz/s
Operate
time
accuracy
3%
±
20
ms
Breaker failure - BF
BF Time delay (
t
BF)
0.06...10.00 s (step 0.01 s)
Dropout
ratio
0.95...0.98
Dropout time
≤
0.05 s
Operate
time
accuracy
5%
or
±
10 ms
Note 1: 1.5% ± 15 ms with operate time setting = 0.05 s