Thytronic XMR-P 4l+4V - Out of Step - 78; Overfrequency - 81 O; Underfrequency - 81 U

44
TECHNICAL DATA
I
ED
>>>>>
def
within CLP (I
EDCLP
>>>>>
def
) 0.002...10.00 I
En
0.002...0.999 I
En
(step 0.001 I
En
)
1.00...10.00 I
En
(step 0.01 I
En
)
Operating time (t
ED
>>>>>
def
) 0.05...10.00 s (step 0.01 s)
Pickup time ≤ 0.04 s
Dropout ratio 0.95...0.98
Dropout time ≤ 0.05 s
Overshoot time 0.04 s
Pickup accuracy with measured residual voltage (U
E
) ± 0.2%
Pickup accuracy with calculated residual voltage (U
EC
) ± 1% with 0.01U
ECn
± 0.5% with 0.1U
ECn
Pickup accuracy (residual current) ± 1% with 0.01 I
En
± 0.3% with 1 I
En
Pickup accuracy (phase) ± 2° with 0.002 I
En
- 0.004 U
En
± 0.2° with 0.005 I
En
- 0.01 U
En
± 0.2° with 0.1 I
En
- 0.5 U
En
± 0.3% with 1 I
En
Operate time accuracy 5% ± 10 ms
— Out of step - 78
Setpoints
78 threshold delta AL 0 ....180 deg (step 1 deg)
78 threshold delta TR 0 ....180 deg (step 1 deg)
78 Reset time delay 0.05...30.00 s (step 0.01 s)
Alarm 1 Operating time 0 ...500 ms (step 1 ms)
Alarm 1 Hold time 0 ...1000 ms (step 1 ms)
TripA Hold time 0 ...1000 ms (step 1 ms)
TripB Hold time 0 ...1000 ms (step 1 ms)
78 threshold Zone A 1 ... 20 (step 1)
78 threshold Zone B 1 ... 20 (step 1)
Blocking parameters
78 I2> threshold
0.05 ...5.00 I
B
(0.01 I
B
)
78 I1< threshold
0.10 ...4.00 I
B
(0.01 I
B
)
78 U> threshold
0.50 ...1.50 U
n
(0.01 U
n
)
— Overfrequency - 81O
f> Element
Definite time
First threshold definite time (f>
def
) 1.000....1.200 f
n
(step 0.001 f
n
)
Operating time (t
f
>
def
) 0.05...100.00 s
0.05...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
f>> Element
Definite time
Second threshold definite time (f>>
def
) 1.000....1.200 f
n
(step 0.001 f
n
)
Operating time (t
f
>>
def
) 0.05...100.00 s
0.05...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
Pickup time ≤ 0.04 s
Dropout ratio ≥ 0.998
Dropout time ≤ 0.05 s
Overshoot time 0.04 s
Reference values rest: setting value - 0.2 Hz
trip: setting value + 0.2 Hz
Pickup accuracy ±5 mHz with 0.02 U
n
,
± 2 mHz with 1U
n
Operate time accuracy 5% ± 10 ms
— Underfrequency - 81U
f< Element
Definite time
First threshold definite time (f<
def
) 0.800...1.000 f
n
(step 0.001 f
n
)
Operating time (t
f
<
def
) 0.05...100.0 s
0.05...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
f<< Element
Definite time
Second threshold definite time (f<<
def
) 0.800...1.000 f
n
(step 0.001 f
n
)
Operating time (t
f
<<
def
) 0.05...100.0 s
0.05...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
f<<< Element
XMR-D EQUIPMENT MANUAL
Ed. 2.9 - 02/2021