Sel SEL-787 - Table 4.20 Undervoltage Settings; Voltage-Based Protection

4.48
SEL-787 Relay Instruction Manual Date Code 20150130
Protection and Logic Functions
Voltage-Based Protection
Voltage-Based Protection
The following information applies to relay models with voltage inputs.
Undervoltage
Function
–4 –20.00 92.16 106.15 89.30 8.26
14 –10.00 96.09 113.00 94.60 8.65
32 0.00 100.00 120.00 100.00 9.04
50 10.00 103.90 127.17 105.60 9.42
68 20.00 107.79 134.52 111.20 9.81
86 30.00 111.67 142.06 117.10 10.19
104 40.00 115.54 149.79 123.00 10.58
122 50.00 119.39 157.74 129.10 10.97
140 60.00 123.24 165.90 135.30 11.35
158 70.00 127.07 174.25 141.70 11.74
176 80.00 130.89 182.84 148.30 12.12
194 90.00 134.70 191.64 154.90 12.51
212 100.00 138.50 200.64 161.80 12.90
230 110.00 142.29 209.85 168.80 13.28
248 120.00 146.06 219.29 176.00 13.67
266 130.00 149.83 228.96 183.30 14.06
284 140.00 153.58 238.85 190.90 14.44
302 150.00 157.32 248.95 198.70 14.83
320 160.00 161.05 259.30 206.60 15.22
338 170.00 164.77 269.91 214.80 15.61
356 180.00 168.47 280.77 223.20 16.00
374 190.00 172.17 291.96 231.80 16.39
392 200.00 175.85 303.46 240.70 16.78
410 210.00 179.15 315.31 249.80 17.17
428 220.00 183.17 327.54 259.20 17.56
446 230.00 186.82 340.14 268.90 17.95
464 240.00 190.45 353.14 278.90 18.34
482 250.00 194.08 366.53 289.10 18.73
Table 4.19 RTD Resistance Versus Temperature (Sheet 2 of 2)
Temp
(°F)
Tem p
(°C)
100
Platinum
120
Nickel
100
Nickel
10
Copper
Table 4.20 Undervoltage Settings
Setting Prompt Setting Range
Setting Name :=
Factory Defau lt
PHASE UV LEVEL OFF, 12.5–300.0 V 27P1P := OFF
PHASE UV DELAY 0.0–120.0 sec 27P1D := 0.5
PHASE UV LEVEL OFF, 12.5–300.0 V 27P2P := OFF
PHASE UV DELAY 0.0–120.0 sec 27P2D := 5.0