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- W2364119998 abstract "A new Variable Voltage Variable Frequency(VVVF) middle frequency supply is introduced based on the intellectualized single chip ATmega128.The supply achieves the VVVF adopting the methods of chooper variable voltage and inverter variable frequency.It has the characteristics that voltage and frequency regulations of the supply can imple-ment independently.The theory of SPWM area center equivalent,which makes the harmonic being suppressed greatly,is used to produce SPWM drive signal.Compared with the traditional SPWM,the output voltage waveforms were more sym-metrical,and high order harmonic was reduced obviously.A 1kW/2kHz prototype was designed to prove the theoretical analysis.The experimental results demonstrate that the voltage regulation and frequency regulation of the supply can im-plement independently without any interactions,also the new inverter supply has more simpler structure.The new supply has finer practicability in the fields using middle frequency supply such as internal grinding machine and electric tools." @default.
- W2364119998 created "2016-06-24" @default.
- W2364119998 creator A5045706962 @default.
- W2364119998 date "2007-01-01" @default.
- W2364119998 modified "2023-09-22" @default.
- W2364119998 title "Design of Variable Voltage and Variable Frequency Inverter Supply based on ATmega128" @default.
- W2364119998 hasPublicationYear "2007" @default.
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