Robust and fine sinusoidal voltage control of self-sustained operation mode for photovoltaic generation system

Sayama, Kenta; Anze, Shohei; Ohishi, Kiyoshi; Haga, Hitoshi; Shimizu, Takayuki

doi:10.1109/iecon.2014.7048740

Cited by 8 publications

(3 citation statements)

References 9 publications

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“…Proportional-integral (PI) regulator [11] is widely used in engineering practice due to easy implementation and strong robustness. However, the steady-state error with related to the reference value of the sine wave is reduced but can't become zero [12]. Although proportional resonant (PR) controller can achieve zero steady-state error, it is sensitive to frequency variations in the grid [13], [14].…”

Section: Introductionmentioning

confidence: 99%

A Robust Second-Order Sliding Mode Control for Single-Phase Photovoltaic Grid-Connected Voltage Source Inverter

Guo

Sun

et al. 2019

IEEE Access

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In this paper, a super-twisting algorithm (STA) second-order sliding mode control (SOSMC) is proposed for single-phase photovoltaic grid-connected voltage source inverters. The SOSMC approach is aimed to inject sinusoidal current to grid with low total harmonic distortion (THD), strong robustness to parameter variations, and fast dynamic response to solar irradiance changes. As the discontinuous sign function in the traditional sliding mode control (SMC) is replaced by the continuous super-twisting function, the chattering problem is eliminated. Furthermore, a robust sliding mode differentiator (SMD) is proposed to acquire the derivative of current reference which is difficult to obtain in practice. The stability of the system under the proposed method is proved through the Lyapunov theory. The experimental results validate that the proposed method has satisfactory performance in both dynamic and steady-state conditions, as well as disturbance rejection.INDEX TERMS Super-twisting algorithm (STA), second order sliding mode control (SOSMC), sliding mode differentiator (SMD), single-phase photovoltaic grid-connected system.

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Section: Introductionmentioning

confidence: 99%

A Robust Second-Order Sliding Mode Control for Single-Phase Photovoltaic Grid-Connected Voltage Source Inverter

Guo

Sun

et al. 2019

IEEE Access

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“…This paper defines the notch type disturbance observer as the total system of the disturbance observer and the complete suppression feedback loop of harmonic frequency without fundamental frequency, which includes the notch filter (16) . The configuration of the suitable control system to satisfy both performances is shown in Fig.…”

Section: Configuration Of Proposed Control Systemmentioning

confidence: 99%

“…controller (16) . The proposed sinusoidal tracking controller tracks completely only sinusoidal reference (50 Hz in this paper) independently with the disturbance observer.…”

Section: Introductionmentioning

confidence: 99%

Fine Voltage Control Based on Frequency Separation Two-Degrees-of-Freedom Control for Single-Phase Inverter

et al. 2016

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This paper proposes a new control system that facilitates two-degrees-of-freedom (2DOF) control to reduce the output voltage distortion in the self-sustained operation mode of a photovoltaic generation system. The proposed control system is configured by combining the disturbance observer using a notch filter (notch type disturbance observer) and a sinusoidal tracking controller. This configuration of the system facilitates high tracking performance and high disturbance suppression performance. This system is a new frequency-separation-type 2DOF control system that has the complete tracking performance of only the fundamental frequency, and has the desired recovery performance of the other harmonic frequency and the quick inserting load current. The numerical simulation results and experimental results confirm that the proposed control system reduces the output voltage distortion in an effective manner. Furthermore, the proposed control system is highly robust to the changes in the load.

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FRT capability of single-phase grid-connected inverter with minimized interconnected inductor

Nagai

Kusaka

Itoh

2017

2017 IEEE Applied Power Electronics Conference and Exposition (APEC)

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Robust and fine sinusoidal voltage control of self-sustained operation mode for photovoltaic generation system

Cited by 8 publications

References 9 publications

A Robust Second-Order Sliding Mode Control for Single-Phase Photovoltaic Grid-Connected Voltage Source Inverter

A Robust Second-Order Sliding Mode Control for Single-Phase Photovoltaic Grid-Connected Voltage Source Inverter

Fine Voltage Control Based on Frequency Separation Two-Degrees-of-Freedom Control for Single-Phase Inverter

FRT capability of single-phase grid-connected inverter with minimized interconnected inductor

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