A 2,000 watt generator ----is the maximum electrical power this generator can produce;
A 1,800 watt submersible pump ----is the mechanical power produced by this pump submersible;
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For the submersible pump to produce 1800 watts of mechanical power, the electrical power the generator must provide: P=1800/η=1800/0.8=2250 watts.
To operate this submersible pump generator, it must have a power of 2,500 watts. There is no need to use 2-3 times the power of the submersible pump, that is, consider starting the submersible pump directly. What I'm talking about here is that 2,500 watts can drive a 1,800 watt submersible pump using a generator-motor system, meaning both machines start at the same time.
A 3 kW generator can run a 2.2 kW motor.
Choose a 6 kW generator.
Generally, whens of the choice of an engine, the generator power is selected in multiples of 2.2--2.5. 2200×(2.2--2.5)=4840w--5500w For a 2200 motor, it is enough. choose a 6 kW generator. For special loads such as deep well pumps and cranes, the multiplication factor is 3, which requires a 7 kW generator.
I use my more than ten years of experience in the generator business to tell you: Impossible! The starting power of devices with an electric motor is 4 to 7 times higher than the rated power. Simply put, if you want to run a 1,000 watt motor, you need at least a generator over 4 or 5 kilowatts to get started. smoothly, a generator of more than 6 or 7 kilowatts is generally used. If you use a generator with a power of less than 4000 watts and a motor with a power of 1000 watts, there is only one result: the motor simply stalls!
So if you want to carry a 2.2 kilowatt motor, you need at least a 10 kilowatt generator, and it's very difficult to get started. To be safe, it is best to use a 15 kilowatt generator. or superior generator