ABB Relion 670 series Product Manual page 52

Line distance protection REL670 ANSI
Pre-configured
Product version: 1.2
Table 36. Stub protection STBPTOC (50STB)
Function
Operating current
Reset ratio
Definite time
Operating time, pickup function
Resetting time, pickupfunction
Critical impulse time
Impulse margin time
Table 37. Pole discrepancy protection CCRPLD (52PD)
Function
Operate current
Time delay
Table 38. Broken conductor check BRCPTOC (46)
Function
Minimum phase current for operation
Unbalance current operation
Timer
52
Range or value
IBase
(1-2500)% of
> 95%
(0.000-60.000) s
20 ms typically at 0 to 2 x I
25 ms typically at 2 to 0 x I
10 ms typically at 0 to 2 x I
15 ms typically
Range or value
IBase
(0–100)% of
(0.000-60.000) s
Range or value
IBase
(5–100)% of
(0–100)% of maximum current
(0.00-6000.00) s
1MRK 506 317-BUS A
Accuracy
± 1.0% of I at I £ I
n
± 1.0% of I at I > I
-
± 0.5% ± 10 ms
-
set
-
set
-
set
-
Accuracy
± 1.0% of I
n
± 0.5% ± 10 ms
Accuracy
± 0.1% of I
n
± 0.1% of I
n
± 0.5% ± 10 ms
n
n
ABB