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Theoretical analysis has revealed that considerable impact can be found on the operation of ultra high speed machines, caused by subharmonic components. The system studied is applied to generate electric power by utilizing renewable energy resources. The results obtained by numerical calculations were confirmed by computer simulations and also by laboratory tests. The low level of subharmonics, superimposed...
The paper presents the results referring to the dc link voltage control of an induction generator/PWM converter system. This system can be used for the renewable energy sources in isolated areas. The voltage control is carried out with an adequate flux control based on an indirect rotor field oriented control.
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