TECHNICAL DATA
39
I
PD
> Reset time delay (t
PD
>
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 input versions
First threshold definite time (I
PD
>
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
)
Characteristic angle (Theta
PD>def
) 0...359°
(step 1°)
I
PD
>
def
within CLP (I
PDCLP>def
) 0.100...40.00 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
PD
>
def
) 0.05...200 s
0.05...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 input versions
First threshold definite time (I
PD
>
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
)
Characteristic angle (Theta
PD>def
) 0...359°
(step 1°)
I
PD
>
def
within CLP (I
PDCLP>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
PD
>
def
) 0.05...200 s
0.05...9.99 s (step 0.01 s)
10.0...99.9 s (step 0.1 s)
100...200 s (step 1 s)
Inverse time
31
First threshold inverse time (I
PD
>
inv
) 0.100...10.00 I
n
0.100...0.999 I
n
(step 0.001 I
n
)
1.00...10.00 I
n
(step 0.01 I
n
)
Characteristic angle (Theta
PD>inv
) 0...359°
(step 1°)
I
PD
>
inv
within CLP (I
PDCLP>inv
) 0.100...10.0 I
n
0.100...0.999 I
n
(step 0.001 I
n
)
1.00...10.00 I
n
(step 0.01 I
n
)
Operating time (t
PD
>
inv
) 0.02...60.0 s
0.02...9.99 s (step 0.01 s)
10.0...60.0 s (step 0.1 s)
I
PD
>> Element
Curve type (I
PD
>>Curve) DEFINITE,
IEC/BS A, B, C, ANSI/IEEE MI, VI, EI,
RECTIFIER, I
2
t or EM
CLP operating mode (I
PDCLP
>>
Mode) OFF/ON-Element blocking/ON-Change setting
CLP activation time (t
PDCLP>>
) 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
PD
>>
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 input versions
Second threshold definite time (I
PD
>>
def
) 0.100...40.0 I
n
Note 31
Standard Inverse Time (IEC 255-3/BS142 type A or SIT): t = 0.14 · t
PD
>
inv
/ [(I/I
PD
>
inv
)
0.02
- 1]
Very Inverse Time (IEC 255-3/BS142 type B or VIT): t = 13.5 · t>
inv
/ [(I/I
PD
>
inv
) - 1]
Very Inverse Time (IEC 255-3/BS142 type B or LIT): t = 120 · t>
inv
/ [(I/I
PD
>
inv
) - 1]
Extremely Inverse Time (IEC 255-3/BS142 type C or EIT): t = 80 · t
PD
>
inv
/ [(I/I
PD
>
inv
)
2
- 1]
Moderately Inverse (ANSI/IEEE type MI): t = t
PD
>
inv
· {0.01 / [(I/I
PD
>
inv
)
0.02
- 1] + 0.023}
Very Inverse (ANSI/IEEE type VI): t = t
PD
>
inv
· {3.922 / [(I/I
PD
>
inv
)
2
- 1] + 0.098}
Extremely Inverse (ANSI/IEEE type EI): t = t
PD
>
inv
· {5.64 / [(I/I
PD
>
inv
)
2
- 1] + 0.024}
I-squared-t (I
2
t = K): t = 16 · t
PD
>
inv
/ (I/I
PD
>
inv
)
2
Electromechanical (EM): t = 0.28 · t
PD
>
inv
/ [-0.236 · (I/I
PD
>
inv
)
-1
+ 0.339]
RECTIFIER (RI): t = 2351 · t
PD
>
inv
/ [(I/I
PD
>
inv
)
5.6
- 1]
t: operate time
I
PD
>
inv
: pickup value
t
PD
>
inv
: operate time setting
Asymptotic reference value: 1.1 I
PD
>
inv
Minimum operate time: 0.1 s
Equation is valid for 1.1 ≤ I/I
PD
>
inv
≤ 20
With I
PD
>
inv
pickup ≥ 2.5 I
n
, the upper limit is 50 I
n
XMR-D EQUIPMENT MANUAL
Ed. 2.9 - 02/2021
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