Stator Earth Fault Protection (Ansi 59N, 64G, 67G) - Siemens Siprotec 7UM611 Manual

4 Technical Data
4.16

90-%-Stator Earth Fault Protection (ANSI 59N, 64G, 67G)

Setting Ranges / Increments
Times
Dropout Ratio / Dropout Difference
Tolerances
Influencing Variables
330
Displacement Voltage U
Earth
Earth current I
Earth
Earth current angle criterion
Delay Time T
SEF
The set times are pure delay times.
Pickup Times
U
Earth
I
Earth
directional
Dropout Times
U
Earth
I
Earth
directional
Displacement voltage U
Earth
Earth current I
Earth
Angle criterion (dropout difference)
Displacement Voltage
Earth current
Delay times T
Power Supply DC Voltage in Range
0,8 ≤ U ≤ 1.15
/U
PS PSN
Temperature in Range
23°F or –5 °C ≤ Θ ≤ 131°F or 55 °C
amb
Frequency in Range
0,95 ≤ f/f ≤ 1.05
N
Harmonics
– Up to 10 % 3rd harmonic
– Up to 10 % 5th harmonic
2.0 V to 125.0 V
2 mA to 1000 mA
0° to 360°
0.00 s to 60.00 s
or ∞ (ineffective)
approx. 50 ms
approx. 50 ms
approx. 70 ms
approx. 50 ms
approx. 50 ms
approx. 70 ms
approx. 0.70
approx. 0.70
10° towards network
1 % of setting value or 0.5 V
1 % of setting value or 0.5 mA
1 % of setting value or 10 ms
≤ 1 %
≤ 0.5 % / 10 K
≤ 1 %
≤ 1 %
≤ 1 %
Increments 0.1V
Increments 1 mA
Increments 1°
Increments 0.01 s
7UM61 Manual
C53000-G1176-C127-3