ABB Relion 670 series Product Manual page 46

Line distance protection REL670 ANSI
Pre-configured
Product version: 1.2
Table 28. Automatic switch onto fault logic, voltage and current based ZCVPSOF
Parameter
Operate voltage, detection of dead line
Operate current, detection of dead line
Delay following dead line detection input before
Automatic switch into fault logic function is
automatically enabled
Time period after circuit breaker closure in which
Automatic switch into fault logic function is active
46
Range or value Accuracy
(1–100)% of ± 0.5% of V
VBase
IBase ± 1.0% of I
(1–100)% of
(0.000–60.000) s ± 0.5% ± 10 ms
(0.000–60.000) s ± 0.5% ± 10 ms
1MRK 506 317-BUS A
n
n
ABB