Thytronic XMR-P 4l+4V - Line; Starting Control Set; Protective Functions; Base Current - IB

22
TECHNICAL DATA
A3-A4 Terminals polarity (A3-A4 POL) NORMAL/REVERSE
A5-A6 Terminals polarity (A5-A6 POL) NORMAL/REVERSE
A7-A8 Terminals polarity (A7-A8 POL) NORMAL/REVERSE
B3-B4 Terminals polarity (B3-B4 POL) NORMAL/REVERSE
B5-B6 Terminals polarity (B5-B6 POL) NORMAL/REVERSE
B7-B8 Terminals polarity (B7-B8 POL) NORMAL/REVERSE
B9-B10 Terminals polarity (B9-B10 POL) NORMAL/REVERSE
— Line
7
Line positive sequence resistance value (R
1L
) 0.05...200 mZ
NF
/km
0.05...0.99 mZ
NF
/km (step 0.01 mZ
NF
/km)
1.0...9.9 mZ
NF
/km (step 0.1 mZ
NF
/km)
10...200 mZ
NF
/km (step 1 mZ
NF
/km)
Line positive sequence reactance value (X
1L
) 0.05...200 mZ
NF
/km
0.05...0.99 mZ
NF
/km (step 0.01 mZ
NF
/km)
1.0...9.9 mZ
NF
/km (step 0.1 mZ
NF
/km)
10...200 mZ
NF
/km (step 1 mZ
NF
/km)
Line zero sequence resistance valuee (R
0L
) 0.05...200 mZ
NF
/km
0.05...0.99 mZ
NF
/km (step 0.01 mZ
NF
/km)
1.0...9.9 mZ
NF
/km (step 0.1 mZ
NF
/km)
10...200 mZ
NF
/km (step 1 mZ
NF
/km)
Line zero sequence reactance value (X
0L
) 0.05...200 mZ
NF
/km
0.05...0.99 mZ
NF
/km (step 0.01 mZ
NF
/km)
1.0...9.9 mZ
NF
/km (step 0.1 mZ
NF
/km)
10...200 mZ
NF
/km (step 1 mZ
NF
/km)
Line length (L) 0.1...1000.0 km (step 0.1 km)
— Starting control set
CLP input source (CLP Source) IRUN/CB
IRUN Threshold (I
RUN
) 0.10 I
B
3.7 PROTECTIVE FUNCTIONS
— Base current - IB
Base current (I
B
)
8
0.10...2.50 I
n
(step 0.01 I
n
)
— Underimpedance - 21
Z< Element
Definite time
First threshold definite time (Z<
def
) 0.02...3.00 Z
n
9
(step 0.01 Z
n
)
Operate time (
t
Zdef
<
) 0.07...100.0 s
0.07...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
Reset time delay ( t
Z
<
RES
) 0.00...100.0 s
0.00...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
Z<< Element
Definite time
Second
threshold definite time (Z<<
def
) 0.02...3.00 Z
n
[2]
(step 0.01 Z
n
)
Operate time (
t
Zdef
<<
) 0.07...100.0 s
0.07...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
Reset time delay ( t
Z
<<
RES
) 0.00...100.0 s
0.00...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
Pickup time ≤ 0.04 s
Dropout ratio 1.03...1.05
Dropout time ≤ 0.05 s
Overshoot time 0.03 s
Reference values rest: 1.5 I
T
trip: 0.5 I
T
10
Pickup accuracy ± 4% ± 0.5% Z
n
Operate time accuracy 5% or ± 10 ms
— Overeflux- 24
(U/f)AL Element
Definite time
Alarm threshold definite time (U/f )
AL
0.50...2.00 U
n
/f
n
(step 0.01 U
n
/f
n
)
U/f)ALdef Operating time (t
(U/f)ALdef
) 0.10...100.0 s
0.10...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
Note 7 The parameters concern the fault location function (FL)
Note 8 The base current I
B
represents the rated current of the line or transformer, referred to the nominal current of the CT’s for thermal image protection.
Note 9 Zn is the impedance given by the ratio between the relay rated voltage relay (U
n
) and the rated current of the relay (I
n
) Z
n
= U
n
/I
n
XMR-D EQUIPMENT MANUAL
Ed. 2.9 - 02/2021