Thytronic XMR-D - Differential - 87 G-87 M-87 T; Frequency Rate of Change (81 R)

TECHNICAL DATA
45
Definite time
Third 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
Fourth 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)
Pickup time ≤ 0.04 s
Dropout ratio ≤ 1.002
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
— Frequency rate of change (81R)
df> Element
Operating mode (Mode-df>
) Module/Positive/Negative
Definite time
First threshold definite time (df>
def
) 0.1...10.0 Hz/s (step 0.1 Hz/s)
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
Operating mode (Mode-df>>
) Module/Positive/Negative
Definite time
Second threshold definite time (df>>
def
) 0.1...10.0 Hz/s (step 0.1 Hz/s)
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
Operating mode (Mode-df>>>
) Module/Positive/Negative
Definite time
Third threshold definite time (df>>>
def
) 0.1...10.0 Hz/s (step 0.1 Hz/s)
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
Operating mode (Mode-df>>>>
) Module/Positive/Negative
Definite time
Fourth threshold definite time (df>>>>
def
) 0.1...10.0 Hz/s (step 0.1 Hz/s)
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 df: 0.1...0.9 Hz/s
≤ 0.2 s with setting df: 1.0...4.9 Hz/s
≤ 0.1 s with setting df: 4.9...10.0 Hz/s
Dropout time ≤ 0.05 s
Reference values rest 0 df
trip 1.5 df
Pickup accuracy ± 20 mHz/s with setting df: 0.1...0.9 Hz/s
± 50 mHz/s with setting df: 1.0...4.9 Hz/s
± 200 mHz/s with setting df: 4.9...10.0 Hz/s
Operate time accuracy 5% ± 20 ms
— Differential - 87G-87M-87T
Harmonic restraint (87T)
87T Second harmonic restraint threshold (
2nd-REST> ) 10...80% I
d
(step 1% I
d
)
87T Fifth harmonic restraint threshold (
5th-REST> ) 10...80% I
d
(step 1% I
d
)
87T Harmonic restraint intentional reset time delay (t
H-RES
) 0.00...10.00 s (step 0.01 s)
87T Cross phase harmonic restraint enable (C
ROSS H-RES
) ON/OFF
CT saturation detector (87M-87G-87T)
Saturation detector enable (S
at-Det
) ON/OFF
Saturation detector intentional reset time delay (t
Sat-Det-RES
) 0.00...0.50 s (step 0.01 s)
I
d
> Element (87M-87G-87T)
XMR-D EQUIPMENT MANUAL
Ed. 2.9 - 02/2021