ABB REL670 Product Manual page 98

Line distance protection REL670 2.2
Product version: 2.2
Table 90. Carrier receive logic LCCRPTRC
Function
Operation mode
Independent time delay
Table 91. Negative sequence overvoltage protection LCNSPTOV
Function
Operate value, negative sequence
overvoltage
Reset ratio, negative sequence
overvoltage
Operate time, start at 0 to 2 x U
Reset time, start at 2 x U to 0
set
Critical impulse time, negative sequence
overvoltage
Impulse margin time, negative sequence
overvoltage
Independent time delay to operate at 0 to
1.2 x U
set
Table 92. Zero sequence overvoltage protection LCZSPTOV
Function
Operate value, zero sequence overvoltage
Reset ratio, zero sequence overvoltage
Operate time, start at 0 to 2 x U
Reset time, start at 2 x U to 0
set
Critical impulse time, zero sequence
overvoltage
Impulse margin time, zero sequence
overvoltage
Independent time delay to operate at 0 to
1.2 x U
set
98
Range or value
(1-200)% of UBase
>95% at (10–200)% of UBase
Min. = 15 ms
set
Max. = 30 ms
Min. = 15 ms
Max. = 30 ms
10 ms typically at 0 to 2 x U
15 ms typically
(0.000-120.000) s
Range or value
(1-200)% of UBase
>95% at (10–200)% of UBase
Min. = 15 ms
set
Max. = 30 ms
Min. = 15 ms
Max. = 30 ms
10 ms typically at 0 to 2 x U
15 ms typically
(0.000-120.000) s
Range or value
1 Out Of 2
2 Out Of 2
(0.000-60.000) s
Accuracy
±0.5% of U at U≤U
r
±0.5% of U at U>U
r
-
-
-
-
set
-
±0.2% or ±40 ms whichever is greater
Accuracy
±0.5% of U at U ≤ U
r
±0.5% of U at U > U
-
-
-
-
set
-
±0.2% or ±40 ms whichever is greater
1MRK 506 372-BEN -
Accuracy
-
±0.2% or ±35 ms whichever is
greater
r
r
r
ABB