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Parallel Operation System of Unidirectional Inverter

Published: 07 March 2024 Publication History

Abstract

Unidirectional inverter is a power electron device used to convert direct current into alternating current. The research and development of unidirectional inverter can improve the efficiency of power conversion, reduce energy consumption, reduce environmental pollution and promote sustainable development. This paper designs a parallel operation system of two unidirectional inverters with STM32f103c8t6 as the control core. After testing, under the conditions specified in the title, the total harmonic distortion rate of the output AC voltage of the system is not more than 1.5%, the efficiency of the inverter 1 is as high as 95%, and the load regulation is less than 0.15%. The inverter 1 and the inverter 2 can be connected in parallel and connected to the grid. The absolute value of the error is less than 5% of the set value, and the absolute value of the relative error is not more than 5% when the output current changes, which can better realize all the title requirements.

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  1. Parallel Operation System of Unidirectional Inverter

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    ICNCC '23: Proceedings of the 2023 12th International Conference on Networks, Communication and Computing
    December 2023
    310 pages
    ISBN:9798400709265
    DOI:10.1145/3638837
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than the author(s) must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected].

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    Association for Computing Machinery

    New York, NY, United States

    Publication History

    Published: 07 March 2024

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    Author Tags

    1. Grid-connected system
    2. PID ring
    3. SPWM
    4. Unidirectional inverter

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