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Technical Data
4.17 Directional intermittent ground fault protection
4.17
Directional intermittent ground fault protection
Setting Ranges / Increments
Pickup threshold
Vgnd> / 3V0>
Monitoring time after pickup detected
Pulse no. for detecting the interm. E/F
Dropout ratio
Dropout ratio Vgnd> / 3V0>
Tolerances
Measurement tolerance
Vgnd> / 3V0>
Times
Influencing Variables
Power supply direct voltage in range 0.8 ≤ V
Temperature in range 23.00 °F (-5 °C) ≤ Θ
396
2.0 V to 100.0 V
0.04 s ... 10.00 s
2 ... 50
0,95or (pickup value - 0,6 V)
3 % of setting value
1 % of setting value or 10 ms
≤ 1.15
/V
<1 %
PS
PSNom
≤ 131.00 °F (55 °C) <0.5 %/ K
amb
E50417-G1140-C344-A5, Release date 11.2012
Increments 1 V
Increents 0.01 s
Increments 1
SIPROTEC, 7SK80, Manual
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