Schweitzer Engineering Laboratories SEL-701 - Page 81

Date Code 20010719 701 Motor Protection Relay
Settings Calculation
Basic Motor Protection
4.17
Thermal Element USER Setting Method
Table 4.9 Therma l Element Configu ration Setting s, Setting Method = US ER
Table 4.9
Thermal Element
Configuration Settings, Setting Method = USER
Setting Prompt Setting Range
Setting Name =
Example Setting
Setting Method Rating, Generic, User SETMETH = USER
Full Load Amps 1.00–8.00 A
ITAP = 5 A
0.20–1.60 A
ITAP = 1 A
FLA = 3.66
FLA = 0.732
Service Factor 1.00–1.50 SF = 1.25
Time to trip at 1.05 • FLA 1.0–6000.0 s, NP TTT105 = NP
Time to trip at 1.10 • FLA 1.0–6000.0 s, NP TTT110 = NP
Time to trip at 1.20 • FLA 1.0–6000.0 s, NP TTT120 = NP
Time to trip at 1.30 • FLA 1.0–6000.0 s, NP TTT130 = NP
Time to trip at 1.40 • FLA 1.0–6000.0 s, NP TTT140 = NP
Time to trip at 1.50 • FLA 1.0–6000.0 s, NP TTT150 = NP
Time to trip at 1.75 • FLA 1.0–6000.0 s, NP TTT175 = 625.0
Time to trip at 2.00 • FLA 1.0–6000.0 s TTT200 = 400.0
Time to trip at 2.25 • FLA 1.0–6000.0 s, NP TTT225 = NP
Time to trip at 2.50 • FLA 1.0–6000.0 s TTT250 = 225.0
Time to trip at 2.75 • FLA 1.0–6000.0 s, NP TTT275 = NP
Time to trip at 3.00 • FLA 1.0–6000.0 s, NP TTT300 = NP
Time to trip at 3.50 • FLA 1.0–6000.0 s, NP TTT350 = NP
Time to trip at 4.00 • FLA 1.0–6000.0 s, NP TTT400 = 72.0
Time to trip at 4.50 • FLA 1.0–6000.0 s, NP TTT450 = 58.0
Time to trip at 5.00 • FLA 1.0–600.0 s, NP TTT500 = 30.0
Time to trip at 5.50 • FLA 1.0–600.0 s TTT550 = 25.0
Time to trip at 6.00 • FLA 1.0–600.0 s TTT600 = 18.1
Time to trip at 6.50 • FLA 1.0–600.0 s TTT650 = 15.2
Time to trip at 7.00 • FLA 1.0–450.0 s, NP TTT700 = 13.2
Time to trip at 7.50 • FLA 1.0–400.0 s, NP TTT750 = NP
Time to trip at 8.00 • FLA 1.0–400.0 s, NP TTT800 = NP
Time to trip at 8.50 • FLA 1.0–350.0 s, NP TTT850 = NP
Time to trip at 9.00 • FLA 1.0–300.0 s, NP TTT900 = NP
Time to trip at 10.00 • FLA 1.0–225.0 s, NP TTT1000 = NP