[schieflastschutz-t-abkuehl1, 1, en_GB]
This value does not depend on whether the respective values were set to secondary values, as the current
transformation ratios are reduced in numerator and denominator.
You can set the
I2>>
stage additionally as back-up stage for system faults as described above (margin
heading “Definite-time StagesI2>>, I2> (O/C)”).
i
i
NOTE
The following applies to the parameter overview:
The current values
Ι
/
Ι
NS
refer to the rated current of the side to be protected of the main protected object.
Settings
The table indicates region-specific presettings. Column C (configuration) indicates the corresponding secon-
dary nominal current of the current transformer.
Addr.
Parameter
C
Setting Options
Default Setting
Comments
4001
UNBALANCE LOAD
OFF
ON
Block relay
OFF
Unbalance Load (Negative
Sequence)
4011
I2>>
1A
0.10 .. 3.00 A; ∞
0.50 A
I2>> Pickup
5A
0.50 .. 15.00 A; ∞
2.50 A
4012
I2>>
0.10 .. 3.00 I/InS; ∞
0.50 I/InS
I2>> Pickup
4013
T I2>>
0.00 .. 60.00 sec; ∞
1.50 sec
T I2>> Time Delay
4014
I2>
1A
0.10 .. 3.00 A; ∞
0.10 A
I2> Pickup
5A
0.50 .. 15.00 A; ∞
0.50 A
4015
I2>
0.10 .. 3.00 I/InS; ∞
0.10 I/InS
I2> Pickup
4016
T I2>
0.00 .. 60.00 sec; ∞
1.50 sec
T I2> Time Delay
4021
I2p
1A
0.10 .. 2.00 A
0.90 A
I2p Pickup
5A
0.50 .. 10.00 A
4.50 A
4022
I2p
0.10 .. 2.00 I/InS
0.90 I/InS
I2p Pickup
4023
T I2p
0.05 .. 3.20 sec; ∞
0.50 sec
T I2p Time Dial
4024
D I2p
0.50 .. 15.00 ; ∞
5.00
D I2p Time Dial
4025
I2p DROP-OUT
Instantaneous
Disk Emulation
Instantaneous
I2p Drop-out Characteristic
4026
IEC CURVE
Normal Inverse
Very Inverse
Extremely Inv.
Extremely Inv.
IEC Curve
4027
ANSI CURVE
Extremely Inv.
Inverse
Moderately Inv.
Very Inverse
Extremely Inv.
ANSI Curve
4031
I2>
1A
0.01 .. 4.00 A; ∞
0.10 A
Continously Permissible
Current I2
5A
0.05 .. 20.00 A; ∞
0.50 A
4032
I2 tolerance
0.01 .. 0.80 I/InS; ∞
0.16 I/InS
Permissable quiescent
unbalanced load
4033
T WARN
0.00 .. 60.00 sec; ∞
20.00 sec
Warning Stage Time Delay
2.8.3
Functions
2.8 Unbalanced Load Protection
198
SIPROTEC 4, 7UT6x, Manual
C53000-G1176-C230-5, Edition 09.2016
Содержание SIPROTEC 4 7UT6 Series
Страница 394: ...394 SIPROTEC 4 7UT6x Manual C53000 G1176 C230 5 Edition 09 2016 ...
Страница 482: ...482 SIPROTEC 4 7UT6x Manual C53000 G1176 C230 5 Edition 09 2016 ...
Страница 504: ...504 SIPROTEC 4 7UT6x Manual C53000 G1176 C230 5 Edition 09 2016 ...
Страница 522: ...522 SIPROTEC 4 7UT6x Manual C53000 G1176 C230 5 Edition 09 2016 ...
Страница 528: ...528 SIPROTEC 4 7UT6x Manual C53000 G1176 C230 5 Edition 09 2016 ...
Страница 538: ...538 SIPROTEC 4 7UT6x Manual C53000 G1176 C230 5 Edition 09 2016 ...
Страница 664: ...664 SIPROTEC 4 7UT6x Manual C53000 G1176 C230 5 Edition 09 2016 ...
Страница 666: ...666 SIPROTEC 4 7UT6x Manual C53000 G1176 C230 5 Edition 09 2016 ...
Страница 683: ...Z Zero sequence currents 109 Index SIPROTEC 4 7UT6x Manual 683 C53000 G1176 C230 5 Edition 09 2016 ...
Страница 684: ...684 SIPROTEC 4 7UT6x Manual C53000 G1176 C230 5 Edition 09 2016 ...