Schweitzer Engineering SEL-351P, Quick Start Manual

Page: 83 / 674

Specifications
SEL-351P Quick-Start Installation and User's Guide (Portuguese) 77
0.05 - 1.00, 0.01 steps (IEC)
0.10 - 2.00, 0.01 steps (recloser curves)
Curve Timing Accuracy:
±
1.50 cycles and
±
4% of curve time for current
between 2 and 30 multiples of pickup
Under - and Overvoltage Elements
Pickup Ranges: 0.0 - 150.0 V, 0.1 V steps (various elements)
0.0 - 260.0 V, 0.1 V steps (phase-to-phase
elements)
Steady-State Pickup Accuracy:
±
1 V and
±
5% of setting
Transient Overreach:
±
5% of pickup
Synchronism-Check Elements
Slip Frequency Pickup Range: 0.005 - 0.500 Hz, 0.001 Hz steps
Slip Frequency Pickup Accuracy:
±
0.003 Hz
Phase Angle Range: 0 - 80°, 1° steps
Phase Angle Accuracy:
±
2°
Under- and Overfrequency Elements
Pickup Range: 40.10 - 65.00 Hz, 0.01 Hz steps
Steady-State plus Transient Overshoot:
±
0.01 Hz
Time Delay: 2.00 - 16,000.00 cycles, 0.25-cycle steps
Timer Accuracy:
±
0.25 cycle and
±
0.1% of setting
Timers
Pickup Ranges:
0.00 - 999,999.00 cycles, 0.25-cycle steps
(reclosing relay and some programmable timers)
0.00 - 16,000.00 cycles, 0.25-cycle steps (some
programmable and other various timers)
Pickup and dropout accuracy for all timers: ±
0.25 cycle and
±
0.1% of setting