Thytronic XMR-A 4l+1A, Manual

Page: 24 / 384

24
TECHNICAL DATA
Overshoot time 0.04 s
Pickup accuracy ± 0.5% with 0.1 U
n
/ E
n
± 0.2% with 1 U
n
/ E
n
Operate time accuracy 5% ± 10 ms
— Positive sequence undervoltage - 27V1
U
1
< Element
Definite time
First threshold definite time ( U
1
<
def
) 0.05...1.10 E
n
(step 0.01 E
n
)
Operating time ( t
U1
<
def
) 0.07...100.0 s
0.07...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
Pickup time ≤ 0.04 s
Dropout ratio 1.03...1.05
Dropout time ≤ 0.05 s
Overshoot time 0.04 s
Pickup accuracy ± 5% with 0.01 U
n
, ± 0.3% with 0.15 U
n
Operate time accuracy 5% ± 10 ms
— 100% stator earth fault with 3rd harmonic (27H - 59H)
Configuration (
U
E3hmode
) Minimum or Maximum
U
E3H
<threshold ( U
E3H
<
def
) 0.003...0.400 U
En
(step 0.001 U
En
)
Operating time ( t
E3H
<
def
) 0.07...100.0 s
0.07...0.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
U
E3H
>threshold ( U
E3H
>
def
) 0.003...0.400 U
En
(step 0.001 U
En
)
Operating time ( t
E3H
>
def
) 0.07...100.0 s
0.07...0.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
Inhibit threshold U
IN-3H
<
15
0.10...1.10 U
n
(step 0.01 U
n
)
Inhibit threshold I
IN-3H
<
16
0.05...1.50 I
n
(step 0.01 I
n
)
Pickup time ≤ 0.03 s ( U
E3H
< threshold)
≤ 0.04 s ( U
E3H
> threshold)
Dropout ratio 1.03...1.08 (27H element)
0.95...0.98 (59H element)
Reset time ≤ 0.05 s
Overshoot time 0.03 s
Reference values (27H element) rest: 1.2 U
E3H
<, trip: 0.8 U
E3H
<
Reference values (59H element) rest: 0.8 U
E3H
>, trip: 1.2 U
E3H
>
Pickup accuracy ± 3% ± 0.5% U
En
Operate time accuracy 5% or ± 10 ms
— Directional active overpower 32P
P1> Element
Setpoints
Tripping direction ( P
1
>
DIR
) P Forward/P Reverse/P Forward-Reverse
Reset time delay ( t
P1
>
RES
) 0.00...100.0 s
Definite time
First threshold definite time ( P1>
def
) 0.01...1.50 P
n
Operating time ( t
P1
>
def
) 0.07...100.0 s
P2> Element
Setpoints
Tripping direction ( P
2
>
DIR
) P Forward/P Reverse/P Forward-Reverse
Reset time delay ( t
P2
>
RES
) 0.00...100.0 s
0.00...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
Definite time
Second threshold definite time ( P2>
def
) 0.01...1.50 P
n
Operating time ( t
P2
>>
def
) 0.07...100.0 s
0.07...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
Pickup time ≤ 0.04 s
Dropout ratio 0.95...0.98
Dropout time ≤ 0.05 s
Overshoot time 0.04 s
Pickup accuracy ± 3% with 0.01 P
n
, ± 0.5% with 0.1 P
n
Operate time accuracy 5% ± 10 ms
Note 15 The element is disabled when all the phase-to-phase voltages are below the threshold set U
IN-3H
<
Note 16 The element is disabled when all the phase currents are below the threshold set I
IN-3H
<
XMR-D EQUIPMENT MANUAL
Ed. 2.9 - 02/2021