Basler Electric BE1-11m - Manual (Page 550)

538 9424200996 Rev L
Figure 367. Single-Line Drawing, Phase Differential Protection (5,000 HP Synchronous Motor Example)
Motor Manufacturer Data
Motor manufacturer data should be reviewed before configuring the BE1-11m. Typical motor
manufacturer data is listed below.
● GENERAL
○ HP .....................................................................5000 HP
○ System Frequency ............................................60 Hz
○ Motor Rotation ..................................................1200 RPM
○ Bus Voltage ......................................................12 kV
○ Full-Load Amps (FLA, Synchronous) ...............205 A
○ Full-Voltage No-Load Stator Current in Sync ...128 A (no excitation)
○ Full-Voltage Line Current (95% Speed) ...........392 A (no excitation)
○ Maximum Locked Rotor Current (Max. LRA) ...755 A
○ Service Factor...................................................1.15
○ Power Factor Minimum .....................................0.90
○ Stator Insulation Class ......................................F (155
°C per NEMA MG-1 Standard)
○ Ambient Temperature Rating ...........................40
°C
○ Stator Temperature Rise ..................................76 °C
○ Subtransient Reactance Xd” .............................0.368 pu, 4263 kVA base
○ Hot Safe Stall Time ...........................................8.5 seconds
○ Cold Safe Stall Time .........................................10.7 seconds
12-kV Bus
52
M
2 or 3 PTs
R
T
D
3 CTs
3 CTs
P
0
0
6
9
-6
5
BE1-11m
Settings Calculation Examples BE1-11m