Quasi-proportional resonant control of the LCL-type grid-connected inverter based on fuzzy control and self-tuning of fuzzy parameters

Duan, Xiangjun; Zhang, Hannian

doi:10.1109/ccdc.2017.7978807

Cited by 14 publications

(4 citation statements)

References 18 publications

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“…From (11) it is clear that e˙t ∈ ℒ ∞ . From (9), (10) and (18) it is concluded e˙f t , ṗ t , r˙f t ∈ ℒ ∞ .Since…”

Section: Stability Analysismentioning

confidence: 74%

“…After substituting the error dynamics from (9), (11), (14), (18) and (22) into (33), the following expression can be obtained where (23) is also utilised…”

Section: Stability Analysismentioning

confidence: 99%

“…However, the challenge is to meet the two objectives in GC mode simultaneously by using one controller and without changing the control structure when changing the operation mode. To achieve this additional control objective, the cascaded control approach has been proposed in the literature [16–19]. For instance, the proposed cascaded current–voltage controller in [19] has been designed based on

H^{\infty}

repetitive control strategy.…”

Section: Introductionmentioning

confidence: 99%

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Improvement of the power quality of single‐phase grid‐connected inverter by filter‐based control scheme

Alqatamin

McIntyre

2020

IET Power Electronics

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In this study, a filter-based control scheme is developed for a single-phase grid-connected inverter system with the local load. Improving the quality of the local load voltage in the grid-connected mode and injecting clean current to the grid at the same time is the main objective of the proposed scheme. Moreover, unity power factor at the grid side for different types of the local load is ensured by the proposed controller. Furthermore, this control approach ensures the seamless transfer between grid-connected and stand-alone operation modes without adjusting the controller structure and without any resynchronisation scheme. The proposed scheme is validated by the Lyapunov stability analysis. Moreover, an experimental testbed has been implemented to further validate the controller in the real-time environment, as well as, the performance is compared to a conventional approach.

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“…From (11) it is clear that e˙t ∈ ℒ ∞ . From (9), (10) and (18) it is concluded e˙f t , ṗ t , r˙f t ∈ ℒ ∞ .Since…”

Section: Stability Analysismentioning

confidence: 74%

“…After substituting the error dynamics from (9), (11), (14), (18) and (22) into (33), the following expression can be obtained where (23) is also utilised…”

Section: Stability Analysismentioning

confidence: 99%

H^{\infty}

repetitive control strategy.…”

Section: Introductionmentioning

confidence: 99%

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Improvement of the power quality of single‐phase grid‐connected inverter by filter‐based control scheme

Alqatamin

McIntyre

2020

IET Power Electronics

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“…In some applications, it is possible to control the inner loop with a simple proportional regulator for the sole purpose of increasing the high-frequency loop gain, while steady-state errors in grid-current control are handled by the outer grid current loop [79]. The outer loop regulator varies from application to application; the literature reports the use of the simple PI control [79], [80], the PR [37], [40], [78], the PR + odd harmonic repetitive control (OHRC) [81] or the quasi-proportional-resonant fuzzy control [82].…”

Section: B Double-loop Control Structuresmentioning

confidence: 99%

Review and Comparison of Grid-Tied Inverter Controllers in Microgrids

Caldognetto¹

2020

Preprint

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<div><div><div><p>Grid-tied inverters are widely used for interfacing renewable energy sources or storage devices to low-voltage electrical power distribution systems. Lately, a number of different control techniques have been proposed to address the emerging requirements of the smart power system scenario, in terms of both functionalities and performance. This paper reviews the techniques proposed for the implementation of current-controlled or voltage-controlled inverters in microgrids. By referring to a voltage source inverter with LCL output filter, the different control architectures are classified as single-, double-, and triple- loop. Then, the functionalities that are needed or recommended in the grid-connected, islanded, and autonomous operating modes of the grid-tied inverter are identified and their implementation in the different control structures is discussed. To validate the analysis and to better illustrate the merits and limitations of the most effective solutions, six control strategies are finally implemented and experimentally compared on a single-phase, grid-connected inverter setup.</p></div></div></div>

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A Hybrid ANFIS-ABC Based MPPT Controller for PV System With Anti-Islanding Grid Protection: Experimental Realization

et al. 2019

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Quasi-proportional resonant control of the LCL-type grid-connected inverter based on fuzzy control and self-tuning of fuzzy parameters

Cited by 14 publications

References 18 publications

Improvement of the power quality of single‐phase grid‐connected inverter by filter‐based control scheme

Improvement of the power quality of single‐phase grid‐connected inverter by filter‐based control scheme

Review and Comparison of Grid-Tied Inverter Controllers in Microgrids

A Hybrid ANFIS-ABC Based MPPT Controller for PV System With Anti-Islanding Grid Protection: Experimental Realization

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