M16043-1 v14
Table 57. Automatic switch onto fault logic ZCVPSOF
Parameter
Range or value
Accuracy
Operate voltage, detection of dead line
(1–100)% of
UBase
±0.5% of U
r
Operate current, detection of dead line
(1–100)% of
IBase
±1.0% of I
r
Time delay to operate for the switch
onto fault function
(0.03-120.00) s
±0.2% or ±30 ms whichever is greater
Time delay for UI detection
(0.000-60.000) s
±0.2% or ±30 ms whichever is greater
Delay time for activation of dead line
detection
(0.000-60.000) s
±0.2% or ±30 ms whichever is greater
Drop-off delay time of switch onto fault
function
(0.000-60.000) s
±0.2% or ±30 ms whichever is greater
Line differential protection RED670
1MRK 505 379-BEN R
Version 2.2
98
Hitachi Energy
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Содержание Relion 670 Series
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