TECHNICAL DATA
37
Definite time
First threshold definite time (
U>
def
)
0.50...1.50
U
n
/
E
n
(step 0.01
U
n
/
E
n
)
Operating time (
t
U
>
def
)
0.03...100.0
s
0.03...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
Inverse time
First threshold inverse time (
U>
inv
)
0.50...1.50
U
n
/
E
n
(step 0.01
U
n
/
E
n
)
Operating time (
t
U
>
inv
)
0.10...100.0
s
0.10...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
U>> Element
Definite time
Second threshold definite time (
U>>
def
)
0.50...1.50
U
n
/
E
n
(step 0.01
U
n
/
E
n
)
Operating time (
t
U
>>
def
)
0.03...100.0
s
0.03...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 ±
0.5% with 0.1
U
n
/
E
n
±
0.2% with 1
U
n
/
E
n
Operate time accuracy
5% ± 10 ms
—
Residual overvoltage - 59N
Common configuration for VTs input versions:
Residual voltage measurement type for 59N - direct/calculated (
3
V
o
Type59N
)
U
E
/
U
EC
59N operation from 74VT internal (
74VTint59N
)
OFF/Block
59N operation from 74VT external (
74VText59N
)
OFF/Block
Common configuration for ThySensor input versions:
Residual voltage measurement type for 59N - direct/calculated (
3
V
o
Type59N
)
U
EC
59N operation from 74VT internal (
74VTint59N
)
OFF/Block
59N operation from 74VT external (
74VText59N
)
OFF/Block
U
E
>
Element
Curve type (
U
>
Curve
)
DEFINITE/INVERSE
29
Reset time delay
(
t
UE>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
First threshold definite time (
U
E
>
def
)
0.01...0.70
U
En
(step 0.01
U
En
)
Operating time (
t
UE
>
def
)
0.07...100.0
s
0.07...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
Inverse time
First threshold inverse time (
U
E
>
inv
)
0.01...0.50
U
En
(step 0.01
U
En
)
Operating time (
t
UE
>
inv
)
0.10...100.0
s
0.10...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
U
E
>>
Element
Reset time delay (
t
UE>>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 (
U
E
>>
def
)
0.01...0.70
U
En
(step 0.01
U
En
)
Operating time (
t
UE
>>
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 with measured residual voltage (
U
E
)
±
0.2%
U
>
inv
: threshold setting
Asymptotic reference value:
1.1
U>
inv
Minimum operate time:
0.1
s
Equation is valid for 1.1 ≤
U
/
U
>
inv
≤ 4
With U>
inv
pickup ≥
0.5
U
n
, the upper limit is
2
U
n
Note 29 The mathematical formula for INVERSE curve is t= (0.5 ∙
t
UE
>
inv
) / [(
U
E
/
U
E
>
inv
) - 1]
t:
operating time (in seconds)
t
UE
>
inv
: operating time setting (referred to
U
E
/
U
E
>
inv
= 1.5)
U
E
:
residual input voltage (direct or calculated)
U
E
>
inv
: threshold setting
Asymptotic reference value:
1.1
U
E
>
inv
Minimum operate time:
0.1
s
Equation is valid for 1.1 ≤
U
E
/
U
E
>
inv
≤ 4
XMR-D EQUIPMENT MANUAL
Ed. 2.9 - 02/2021
