Thytronic XMR-T - Page 25

TECHNICAL DATA
25
0.002...0.999 I
En
(step 0.001 I
En
)
1.00...10.00 I
En
(step 0.01 I
En
)
I
E
>
def
within CLP (I
ECLP>def
) 0.002...10.00 I
En
0.002...0.999 I
En
(step 0.001 I
En
)
1.00...10.00 I
n
(step 0.01 I
En
)
Operating time (t
E
>
def
) 0.04...200 s
0.04...9.99 s (step 0.01 s)
10.0...99.9 s (step 0.1 s)
100...200 s (step 1 s)
Inverse time
2210
First threshold inverse time (I
E
>
inv
) 0.002...2.00 I
En
0.002...0.999 I
En
(step 0.001 I
En
)
1.00...2.00 I
En
(step 0.01 I
En
)
I
E
>
inv
within CLP (I
ECLP>inv
) 0.002...2.00 I
En
0.002...0.999 I
En
(step 0.001 I
En
)
1.00...2.00 I
En
(step 0.01 I
En
)
Operating time (t
E
>
inv
) 0.02...60.0 s
0.02...9.99 s (step 0.01 s)
10.0...60.0 s (step 0.1 s)
IE>> Element
CLP operating mode (I
ECLP
>> Mode) OFF/ON-Element blocking/ON-Change setting
CLP activation time (t
ECLP>>
) 0.00...100.0 s
0.00...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
Reset time delay (t
E
>>
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 (I
E
>>
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
)
I
E
>>
def
within CLP (I
ECLP>>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
E
>>
def
) 0.03...10.00 s (step 0.01 s)
IE>>> Element
CLP operating mode (I
ECLP
>>> Mode) OFF/ON-Element blocking/ON-Change setting
CLP activation time (t
ECLP>>>
) 0.00...100.0 s
0.00...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
Reset time delay (t
E
>>>
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
Third threshold definite time (I
E
>>>
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
)
I
E
>>>
def
within CLP (I
ECLP>>>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
E
>>>
def
) 0.03...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 ± 1% with 0.01 I
En
, ± 0.3% with 1 I
En
Operate time accuracy 5% ± 10 ms
Note 22 Standard Inverse Time (IEC 255-3/BS142 type A or SIT): t = 0.14 · t
E
>
inv
/ [(I
E
/ I
E
>
inv
)
0.02
- 1]
Very Inverse Time (IEC 255-3/BS142 type B or VIT): t = 13.5 · t
E
>
inv
/ [(I
E
/I
E
>
inv
) - 1]
Extremely Inverse Time (IEC 255-3/BS142 type C or EIT): t = 80 · t
E
>
inv
/ [(I
E
/I
E
>
inv
)
2
- 1]
Very Inverse Time (IEC 255-3/BS142 type B or LIT): t = 120 · t
E
>
inv
/ [(I
E
/I
E
>
inv
) - 1]
Moderately Inverse (ANSI/IEEE type MI): t = t
E
>
inv
· {0.01 / [(I
E
/I
E
>
inv
)
0.02
- 1] + 0.023}
Very Inverse (ANSI/IEEE type VI): t = t
E
>
inv
· {3.922 / [(I
E
/I
E
>
inv
)
2
- 1] + 0.098}
Extremely Inverse (ANSI/IEEE type EI): t = t
E
>
inv
· {5.64 / [(I
E
/I
E
>
inv
)
2
- 1] + 0.024}
Electromechanical (EM): t = 0.28 · t
E
>
inv
/ [-0.236 · (I
E
/I
E
>
inv
)
-1
+ 0.339]
I
E
: residual current input
t: operate time
I
E
>
inv
: pickup value
t
E
>
inv
: operate time setting
Asymptotic reference value: 1.1 I
E
>
Minimum operate time: 0.1 s
Equation is valid for 1.1 ≤ I
E
/ I
E
>
inv
≤ 20, with I
E
>
inv
pickup ≥ 0.5 I
En
, the upper limit is 10 I
En
XMR-T EQUIPMENT MANUAL
Ed. 2.9 - 02/2021