alexa Reduction of Harmonic Distortion by applying various P
ISSN ONLINE(2278-8875) PRINT (2320-3765)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
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Research Article

Reduction of Harmonic Distortion by applying various PWM and Neural Network Techniques in Grid connected Photovoltaic Systems

K.Gurumoorthy1, D.Prince Winston2, D.Edison Selvaraj3 and Lieutenant.J. Ganesan4
  1. Lecturer, Department of Electrical and Electronics Engineering, Thiruvalluvar Polytechnic College,Elumalai, India
  2. Assistant Professor, Department of Electrical and Electronics Engineering, Kamaraj College of Engineering and Technology, Virudhunagar, India
  3. Assistant Professor, Department of Electrical and Electronics Engineering, Sree Sastha Institute of Engineering and Technology, Chennai, India
  4. Assistant Professor, Department of Electrical and Electronics Engineering, Sree Sowdambika College of Engineering, Aruppukkotai, India
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Abstract

It has been found that by using Pulse with modulation technique can greatly reduce the harmonics distortions generated by the PV inverter. Harmonics reduction is the main consideration in three phase squirrel cage induction motor. We can improve the performance of the three phase squirrel cage Induction motor by the reduction of THD. In this research work, the harmonic distortion of the three phase induction motor was measured in terms of THD by Simulation model and the results of the Multiple Pulse Width Modulation and Sinusoidal Pulse Width Modulation inputs were compared to find out the lowest THD value. By using the PWM technique on the Three Phase Induction motor there was reduction in the VTHD. In order to select lowest THD value for a particular frequency, Neural Network tool are used. The selected modulation index and frequency is given to the input of the inverter circuit. At this condition we can connect the PV circuit to the grid circuit.

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