Date _______________
Date Code 20060320 Instruction Manual SEL-311C Relay
SET.11 of 32Settings Sheets for the SEL-311C Relay
Relay Settings (Serial Port Command SET and Front Panel)
Reverse directional Z0 threshold
(–64.00–64.00 Ω secondary {5 A nom.})
(–320.00–320.00 Ω secondary {1 A nom.})
Z0R =
Voltage Elements (See Figure 3.27, Figure 3.28, and Figure 3.29)
(Make the following settings if preceding enable setting EVOLT = Y.)
Phase undervoltage pickup (OFF, 0.0–150.0 V secondary)
27P =
Phase overvoltage pickup (OFF, 0.0–150.0 V secondary)
59P =
Zero-sequence (3V0) overvoltage pickup
(OFF, 0.0–150.0 V secondary)
59N1P =
Zero-sequence (3V0) overvoltage pickup
(OFF, 0.0–150.0 V secondary)
59N2P =
Negative-sequence (V2) overvoltage pickup
(OFF, 0.0–100.0 V secondary)
59QP =
Positive-sequence (V1) overvoltage pickup
(OFF, 0.0–150.0 V secondary)
59V1P =
Channel VS undervoltage pickup
(OFF, 0.0–150.0 V secondary)
27SP =
Channel VS overvoltage pickup (OFF, 0.0–150.0 V secondary)
59SP =
Phase-to-phase undervoltage pickup
(OFF, 0.0–260.0 V secondary)
27PP =
Phase-to-phase overvoltage pickup
(OFF, 0.0–260.0 V secondary)
59PP =
Synchronism Check Elements (See Figure 3.30 and Figure 3.31)
(Make the following settings if preceding enable setting E25 = Y.)
Voltage window—low threshold (0.00–150.00 V secondary)
25VLO =
Voltage window—high threshold (0.00–150.00 V secondary)
25VHI =
Maximum slip frequency (0.005–0.500 Hz)
25SF =
Maximum angle 1 (0.00°–80.00°)
25ANG1 =
Maximum angle 2 (0.00°–80.00°)
25ANG2 =
Synchronizing phase (VA, VB, VC, VAB, VBC, VAC)
SYNCP =
Breaker close time for angle compensation
(OFF, 1.00–60.00 cycles in 0.25-cycle steps)
TCLOSD =
Frequency Elements (See Figure 3.33 and Figure 3.34)
(Make the following settings if preceding enable setting E81 = 1–6.)
Phase undervoltage block (20.00–150.00 V secondary,
150 V wye-connected voltage inputs)
27B81P =
Level 1 pickup (OFF, 41.00–65.00 Hz)
81D1P =
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