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Research into a Method of Forming Neutral Point Voltage in a Three-Phase Four-Wire Voltage Inverter

Author

Listed:
  • Andrey Dar’enkov

    (Electric Power Institute, Nizhny Novgorod State Technical University n.a. R.E. Alekseev, 603155 Nizhny Novgorod, Russia)

  • Andrey Kurkin

    (Department of Applied Mathematics, Nizhny Novgorod State Technical University n.a. R.E. Alekseev, 603950 Nizhny Novgorod, Russia)

  • Anton Sluzov

    (Electric Power Institute, Nizhny Novgorod State Technical University n.a. R.E. Alekseev, 603155 Nizhny Novgorod, Russia)

  • Ivan Berdnikov

    (Electric Power Institute, Nizhny Novgorod State Technical University n.a. R.E. Alekseev, 603155 Nizhny Novgorod, Russia)

  • Anton Khramov

    (Electric Power Institute, Nizhny Novgorod State Technical University n.a. R.E. Alekseev, 603155 Nizhny Novgorod, Russia)

  • Andrey Shalukho

    (Electric Power Institute, Nizhny Novgorod State Technical University n.a. R.E. Alekseev, 603155 Nizhny Novgorod, Russia)

Abstract

Three-phase four-wire voltage inverters are commonly used in energy complexes based on distributed generation sources (solar panels, wind power plants, hydrogen fuel cells) and accumulator batteries. They allow to power loads, including single-phase ones, which require neutral point connection. In these cases, phase voltage formed by spatial pulse-width modulation (PWM) methods considerably differs from sinusoidal waves and has high total harmonic distortions of voltage and current curves. This article is devoted to research into the authors’ control method of a three-phase four-wire inverter, allowing for the rectification of the form of phase voltage supplying the load when applying the most common PWM (SVPWM, DPWMMIN, DPWMMAX, GDPWM) methods. The description of the method and its research results by simulation modeling and test bench are presented in the article. The simulation modeling was carried out by the developed Simulink-model of the three-phase four-wire inverter and its control system. The modeling results showed that the method application ensures sinusoidal voltage form when applying any PWM method. At this, THD U was reduced from 21.56% to 4.39%, while THD I was reduced from 21.16% to 1.69%. Experimental tests were carried out by a test bench featuring an uninterruptible power supply source. The authors researched the inverter operation as a component of the test bench under the control of the proposed method to form neutral point voltage. The experimental test results coincided with the simulation modeling results.

Suggested Citation

  • Andrey Dar’enkov & Andrey Kurkin & Anton Sluzov & Ivan Berdnikov & Anton Khramov & Andrey Shalukho, 2023. "Research into a Method of Forming Neutral Point Voltage in a Three-Phase Four-Wire Voltage Inverter," Energies, MDPI, vol. 16(15), pages 1-19, August.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:15:p:5739-:d:1208109
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    References listed on IDEAS

    as
    1. Riccardo Mandrioli & Aleksandr Viatkin & Manel Hammami & Mattia Ricco & Gabriele Grandi, 2020. "A Comprehensive AC Current Ripple Analysis and Performance Enhancement via Discontinuous PWM in Three-Phase Four-Leg Grid-Connected Inverters," Energies, MDPI, vol. 13(17), pages 1-32, August.
    2. Aleksandr Kulikov & Aleksey Loskutov & Andrey Kurkin & Andrey Dar’enkov & Andrey Kozelkov & Valery Vanyaev & Andrey Shahov & Andrey Shalukho & Rustam Bedretdinov & Ivan Lipuzhin & Evgeny Kryukov, 2021. "Development and Operation Modes of Hydrogen Fuel Cell Generation System for Remote Consumers’ Power Supply," Sustainability, MDPI, vol. 13(16), pages 1-21, August.
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