Voltage (symmetrical components) 2% of set value or 0.2 V
Power 1% of set value or 0.3 VAR
Times 1% of set value or 10 ms
Influencing Variables for Pickup Values
Auxiliary direct voltage in the range from 0.8 ≤ V
PS
/V
PSNom
≤ 1.15 1 %
Temperature in the range from 23.00 °F (-5 °C) ≤ Θ
amb
≤ 131.00 °F (55 °C) 0.5 %/10 K
Frequency in the range from 25 Hz to 70 Hz 1 %
Harmonics
- up to 10 % 3rd harmonic
- up to 10 % 5th harmonic
1 %
1 %
Technical Data
4.15 Undervoltage-controlled reactive power protection (27/Q)
SIPROTEC 4, 7SJ62/64, Manual 481
C53000-G1140-C207-8, Edition 08.2016
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