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International Journal Of Electrical, Electronics And Computers(IJEEC)

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Third Harmonic Less Inverter

Jinendra Rahul , Piyush Baldwa , Piyush Kumar Rathi , Pulkit Tiwari , Rohit Sharma


International Journal of Electrical, Electronics and Computers (IJECC), Vol-9,Issue-2, March - April 2024, Pages 5-9, 10.22161/eec.92.2

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Article Info: Received: 07 Mar 2024; Accepted: 15 Apr 2024; Date of Publication: 23 Apr 2024

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Proposed work focuses on the implementation of a third harmonic elimination technique in an inverter system using the SG3525 PWM controller and optocoupler. The aim is to reduce the harmonic distortion in the output voltage waveform, leading to improved efficiency and reduced stress on connected loads. The SG3525 PWM controller is utilized to generate pulse-width modulated signals, while the optocoupler ensures galvanic isolation between the control circuitry and the power stage. Through proper modulation techniques and control algorithms, the third harmonic component is actively suppressed, resulting in a cleaner output waveform. The project presents the design methodology, simulation results, and experimental validation of the proposed system, demonstrating its effectiveness in harmonic mitigation and enhancing the overall performance of the inverter system.

inverter; Pulse Width Modulation; harmonic; controller.

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