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GUID-9E13C38A-3B6D-402B-98A6-6CDA20632CE7 v4
Table 39. Phase selection with load encroachment, quadrilateral characteristic FRPSPDIS
Function
Range or value
Accuracy
Minimum operate current
(5-500)% of IBase
±1.0% of I
r
at I ≤ I
r
±1.0% of I at I > I
r
Reactive reach, positive
sequence
(0.50–3000.00) Ω/phase
±2.0% static accuracy
±2.0 degrees static angular accuracy
Conditions:
Voltage range: (0.1-1.1) x U
r
Current range: (0.5-30) x I
r
Angle: at 0 degrees and 85 degrees
Resistive reach, positive
sequence
(0.10–1000.00) Ω/phase
Reactive reach, zero sequence
(0.50–9000.00) Ω/phase
Resistive reach, zero sequence
(0.50–3000.00) Ω/phase
Fault resistance, Ph-E faults,
forward and reverse
(1.00–9000.00) Ω/loop
Fault resistance, Ph-Ph faults,
forward and reverse
(0.50–3000.00) Ω/loop
Load encroachment criteria:
Load resistance, forward and
reverse
Safety load impedance angle
(1.00–3000.00) Ω/phase
(5-70) degrees
Reset ratio
105% typically
-
1MRK 504 155-BEN F
Transformer protection RET670 2.1 IEC
70
ABB
Содержание Relion 670 series
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