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IJSTR >> Volume 6 - Issue 4, April 2017 Edition



International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616



Microcontroller Based SPWM Single-Phase Inverter For Wind Power Application

[Full Text]

 

AUTHOR(S)

Khin Ohmar Lin, Hla Myo Tun, Zaw Min Naing, Win Khine Moe

 

KEYWORDS

Microcontroller, SPWM, single-phase inverter, wind-power generator, PIC16F877A

 

ABSTRACT

In this paper, microcontroller based sinusoidal pulse width modulation (SPWM) single-phase inverter is emphasized to constant frequency conversion scheme for wind power application. The wind-power generator output voltage and frequency are fluctuated due to the variation of wind velocity. Therefore, the AC output voltage of wind-generator is converted into DC voltage by using rectifier circuit and this DC voltage is converted back to AC voltage by using inverter circuit. SPWM technique is used in inverter to get nearly sine wave and reduce harmonic content. The rating of inverter is 500W, single-phase, 220V, 50 Hz. The required SPWM timing pulses for the inverter are generated from the PIC16F877A microcontroller. Circuit simulation was done by using Proteus (7 Professional) and MATLAB(R 2008) software. The software for microcontroller is implemented by using MPASM assembler.

 

REFERENCES

[1] Rao and Dr. B.B.Parulekar, Energy Technology, 3rd ed., 1999.

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[3] Ashfaq Ahmed, Power Electronic, Tata McGraw-Hill Publishing Company Ltd., 1999.

[4] P.C. Sen, Power Electronic. Tata McGraw-Hill Publishing Company Ltd, 2000.

[5] MD Singh and KB Khanachandani, Power Electronic, Tata McGraw-Hill Publishing Company Ltd, 2000.

[6] D. W. Smith, PIC in Practice, 2002.

[7] Microchip Technology, 2001. http:// www.microchip.com

[8] Nebojsa Matic, The PIC Microcontroller, 2004,