Sel 411L - Page 62

P.1.20
SEL-411L Relay Protection Manual Date Code 20151029
Introduction and Specifications
Specifications
Power and Energy
Real Power, P (MW), Three Phase
At 0.1 • I
NOM
Power factor unity: ±0.4%
Power factor 0.5 lag,
0.5 lead: ±0.7%
At 1.0 • I
NOM
Power factor unity: ±0.4%
Power factor 0.5 lag,
0.5 lead: ±0.4%
Reactive Power, Q (MVAR), Three Phase
At 0.1 • I
NOM
Power factor 0.5 lag,
0.5 lead: ±0.5%
At 1.0 • I
NOM
Power factor 0.5 lag,
0.5 lead: ±0.4%
Energy (MWh), Three Phase
At 0.1 • I
NOM
Power factor unity: ±0.5%
Power factor 0.5 lag,
0.5 lead: ±0.7%
At 1.0 • I
NOM
Power factor unity: ±0.4%
Power factor 0.5 lag,
0.5 lead: ±0.4%
Synchrophasors
See Accuracy on page C.6.5 for test exclusions and details.
TVE (total vector error): 
Frequency Range: ±5 Hz of nominal (50 or 60 Hz)
Voltage Range: 30 V–150 V
Current Range: (0.1–2) • I
NOM
(I
NOM
= 1 A or 5 A)
Phase Angle Range: –179.99° to 180°
Protocol: IEEE C37.118-2005 or
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