Thytronic XMR-P 4l+4V - Calculated Residual Overcurrent - 50 N(Comp);51 N(Comp)

TECHNICAL DATA
35
— Calculated residual overcurrent - 50N(Comp)/51N(Comp)
IEC> Element
Curve type (I
E
>
Curve
) DEFINITE,
IEC/BS A, B, C,ANSI/IEEE MI, VI, EI, LIT, EM
CLP operating mode (I
ECCLP
> Mode) OFF/ON-Element blocking/ON-Change setting
CLP activation time (t
ECCLP>
) 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
EC
>
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 for CTs versions:
First threshold definite time (I
EC
>
def
) 0.100...40.0 I
n
0.100...0.999 I
n
(step 0.001 I
n
)
1.00...9.99 I
n
(step 0.01 I
n
)
10.0...40.0 I
n
(step 0.1 I
n
)
I
EC
>
def
within CLP (I
ECCLP>def
) 0.100...40.0 I
n
0.100...0.999 I
n
(step 0.001 I
n
)
1.00...9.99 I
n
(step 0.01 I
n
)
10.0...40.0 I
n
(step 0.1 I
n
)
Operating time (t
EC
>
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)
Definite time for ThySensor versions:
First threshold definite time (I
EC
>
def
) 0.010...30.0 I
n
0.010...0.999 I
n
(step 0.001 I
n
)
1.00...9.99 I
n
(step 0.01 I
n
)
10.0...30.0 I
n
(step 0.1 I
n
)
I
EC
>
def
within CLP (I
ECCLP>def
) 0.010...30.0 I
n
0.010...0.999 I
n
(step 0.001 I
n
)
1.00...9.99 I
n
(step 0.01 I
n
)
10.0...30.0 I
n
(step 0.1 I
n
)
Operating time (t
EC
>
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
26
First threshold inverse time (I
EC
>
inv
) 0.100...20.00 I
n
0.100...0.999 I
E
(step 0.001 I
n
)
1.00...20.00 I
n
(step 0.01 I
n
)
I
EC
>
inv
within CLP (I
ECCLP>inv
) 0.100...20.00 I
n
0.100...0.999 I
E
(step 0.001 I
n
)
1.00...20.00 I
n
(step 0.01 I
n
)
Operating time (t
EC
>
inv
) 0.02...60.0 s
0.02...9.99 s (step 0.01 s)
10.0...60.0 s (step 0.1 s)
IEC>> Element
CLP operating mode (I
ECCLP
>> Mode) OFF/ON-Element blocking/ON-Change setting
CLP activation time (t
ECCLP>>
) 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
EC
>>
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 for CTs versions:
Second threshold definite time (I
EC
>>
def
0.100...40.0 I
n
0.100...0.999 I
n
(step 0.001 I
n
)
1.00...40.00 I
n
(step 0.01 I
n
)
I
EC
>>
def
within CLP (I
ECCLP>>def
) 0.100...40.0 I
n
Note 26 Standard Inverse Time (IEC 255-3/BS142 type A or SIT): t = 0.14 · t
EC
>
inv
/ [(I
EC
/I
EC
>
inv
)
0.02
- 1]
Very Inverse Time (IEC 255-3/BS142 type B or VIT): t = 13.5 · t
EC
>
inv
/ [(I
EC
/I
EC
>
inv
) - 1]
Very Inverse Time (IEC 255-3/BS142 type B or LIT): t = 120 · t
EC
>
inv
/ [(I
EC
/I
EC
>
inv
) - 1]
Extremely Inverse Time (IEC 255-3/BS142 type C or EIT): t = 80 · t
EC
>
inv
/ [(I
EC
/I
EC
>
inv
)
2
- 1]
Moderately Inverse (ANSI/IEEE type MI): t = t
EC
>
inv
· {0.01 / [(I
EC
/I
EC
>
inv
)
0.02
- 1] + 0.023}
Very Inverse (ANSI/IEEE type VI): t = t
EC
>
inv
· {3.922 / [(I
EC
/I
EC
>
inv
)
2
- 1] + 0.098}
Extremely Inverse (ANSI/IEEE type EI): t = t
EC
>
inv
· {5.64 / [(I
EC
/I
EC
>
inv
)
2
- 1] + 0.024}
Electromechanical (EM): t = 0.28 · t
EC
>
inv
/ [-0.236 · (I
EC
/I
EC
>
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
EC
>
inv
Minimum operate time: 0.1 s
Equation is valid for 1.1 ≤ I
EC
/ I
EC
>
inv
≤ 20, with I
EC
>
inv
pickup ≥ 2.5 I
n
, the upper limit is 50 I
n
XMR-D EQUIPMENT MANUAL
Ed. 2.9 - 02/2021