This project focuses on designing and simulating a three-phase inverter intended for grid-connected renewable energy systems such as solar PV or wind turbines. The inverter converts DC power from renewable sources into AC power synchronized with the grid, enabling efficient and stable integration of renewable energy into the electrical grid.
This chapter presents the design and practical implementation of a digital current controller for a three-phase 2 level voltage source PWM inverter connected to the grid via an LCL filter. A two feedback loops control system is proposed, with an outer grid current loop and an inner filter capacitor current loop.
This chapter discusses the most fundamental control functions of a three-phase grid-connected inverter are included in the dynamic model such as the AC current control, phase-locked-loop, and DC voltage control. It introduces the concepts of decoupling gains and proportional grid voltage feedforward.
The three-phase PV grid-connected inverter was designed based on the LQR method, where the tracking error was adjusted to zero through integration (Al-Abri et al., 2024). The disturbance rejection ability of the PV GCI was improved by designing the linear state inaccuracy feedback control policy (Zhou et al., 2021).
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Aiming at the topology of three phase grid-connected inverter, the principle of dq-axis current decoupling is deduced in detail based on state equation. The current loop …
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A single-phase digital triple-loop control system has been employed for each phase of the TGC-VSC, which operates as a grid-forming inverter (voltage source) or grid-following inverter …
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This book introduces planning method of power control configuration and structuring method of signal process link for grid-connected power …
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Abstract This chapter discusses the most fundamental control functions of a three-phase grid-connected inverter are included in the dynamic model such as the AC current …
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This project focuses on designing and simulating a three-phase inverter intended for grid-connected renewable energy systems …
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This project focuses on designing and simulating a three-phase inverter intended for grid-connected renewable energy systems such as solar PV or wind turbines. The inverter …
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In this article, a novel control method of the grid-connected inverter (GCI) based on the off-policy integral reinforcement learning (IRL) method is presented to solve two-stage …
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This book introduces planning method of power control configuration and structuring method of signal process link for grid-connected power conversion. These methods can be used for …
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This chapter presents the design and practical implementation of a digital current controller for a three-phase 2 level voltage source PWM inverter connected to the grid via an …
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In the three‐phase grid‐connected current‐source inverters (CSIs), the resonance result from the AC‐side CL filter and the quality of the grid‐current waveform under the …
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This paper provides a proportional-integral (PI) controller and direct-quadrature (DQ) frame transformation-based optimum control method for a three-phase grid-connected …
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Initially, a novel control scheme is introduced for three-phase grid-following inverters, ensuring precise output power regulation while inherently constraining the magnitude of the inverter …
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