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How can I modify the circuit to obtain constant power?
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Ref: Generator Model
The circuit consist of a generator running at constant speed input of 1800rpm and is required to power a load of 50kW, 380 V rms, 60Hz. Although I'm feeding in constant speed but the Electrical power, Pe is still fluctuating as seen in the magnified picture on the right. Is there any type of filters or modifications I should do to correct the model? Any comments on the model is greatly appreciated. Thanks :)
A Jenkins on 31 Mar 2015
There is bound to be some numerical error in your simulation because you are finding a numerical solution, not analytic.
Your solution looks quite stable to me, but if you think you need more accuracy, you can tighten the error tolerances in the solver under Simulation->Model Configuration Parameters->Solver Options.