10.2 Guide for engine-driven generators in submersible pump applications
1- or 3-phase motor
[Hp]
Generator [kW]
Externally regulated Internally regulated
0.33 1.5 1.2
0.5 2.0 1.5
0.75 3.0 2.0
1 4.0 2.5
1.5 5.0 3.0
2 7.5 4.0
3 10.0 5.0
5.0 15.0 7.5
7.5 20.0 10.0
10.0 30.0 15.0
15.0 40.0 20.0
20.0 60.0 25.0
25.0 75.0 30.0
30.0 100.0 40.0
40.0 100.0 50.0
50.0 150.0 60.0
60.0 175.0 75.0
75.0 250.0 100.0
100.0 300.0 150.0
125.0 375.0 175.0
150.0 450.0 200.0
200.0 600.0 275.0
Note:
• The table is based on typical +176 °F (+80 °C) rise continuous
duty generators with 35 % maximum voltage dip during the
startup of single- and three-phase motors.
• Contact the manufacturer of the generator to make sure the unit
has adequate capacity to run the submersible motor.
• If the generator rating is in KVA instead of kilowatts, multiply the
above ratings by 1.25.
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