Mitigation of Interharmonics in PV Systems With Maximum Power Point Tracking Modification

Sangwongwanich, Ariya; Blaabjerg, Frede

doi:10.1109/tpel.2019.2902880

Cited by 114 publications

(61 citation statements)

References 12 publications

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“…Photovoltaic Modelling Figure 2 illustrates the equivalent circuit of the photovoltaic [25]. Figure 3 shows the voltage and current curve [26][27][28]. A photovoltaic module is previously stated to consist of photovoltaic cells joint in parallel and in series.…”

Section: Distributed Hybrid Energy Generation Systemmentioning

confidence: 99%

A Novel Cooperative Controller for Inverters of Smart Hybrid AC/DC Microgrids

et al. 2020

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This paper presents a novel cooperative control technique concerning fully-distributed AC/DC microgrids. Distributed generation based on inverters has two types, i.e., Current Source Inverter (CSI), also referred to as PQ inverter, and Voltage Source Inverter (VSI). Both inverter forms have a two-layer coordination mechanism. This paper proposes a design method for the digital Proportional-Resonant (PR) controller that regulates the current inside an inverter. The inverters will improve the voltage quality of the microgrid while maintaining the average voltage of buses at the same desired level. There is comprehensive detail on the computations specific to resonant and proportional gains and digital resonance path coefficients. The paper includes a digital PR controller design and its analysis in the frequency domain. The analysis is based on the w-domain. The main contribution of this paper is the proposed method, which not only focuses on the transient response but also improves the steady-state response which smoothens the voltage; furthermore, all inverters are effectively involved to increase the capacity of the microgrid for better power management. The suggested cooperative control technique is used on an IEEE 14-bus system having fully distributed communication. The convincing outcomes indicate that the suggested control technique is an effectual means of regulating the microgrid’s voltage to obtain an evener and steady voltage profile. The microgrid comprises distributed resources and is used as the primary element to analyse power flow and quality indicators associated with a smart grid. Lastly, numerical simulation observations are utilised for substantiating the recommended algorithm.

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Section: Distributed Hybrid Energy Generation Systemmentioning

confidence: 99%

A Novel Cooperative Controller for Inverters of Smart Hybrid AC/DC Microgrids

et al. 2020

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“…For example, the presence of non‐linear equipment such as non‐linear loads, AC–DC converters and variable‐frequency drive poses a threat of injection various harmonics, inter‐harmonics and sub‐harmonics to the grid. Moreover, recent studies show that MPPT of PV inverters is one of the main sources of various inter‐harmonics and sub‐harmonics [33, 34]. The inter‐harmonics background could exceed 0.5% under resonance conditions, where they propagate between different voltage transmission levels.…”

Section: Introductionmentioning

confidence: 99%

Fundamental grid impedance estimation using grid‐connected inverters: a comparison of two frequency‐based estimation techniques

Mohammed

Ciobotaru

Town

2020

IET power electron.

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“…Solar power is rapidly replacing existing power sources such as fossil fuels in an effort to address issues mostly related to global climate change, economy, and safety [1][2][3][4][5][6][7][8]. However, solar power has a few limitations, including large fluctuations of the output power depending on weather conditions and angle of sunlight incidence as well as low power generation efficiency [8,9].…”

Section: Introductionmentioning

confidence: 99%

New Curved Reflectors for Significantly Enhanced Solar Power Generation in Four Seasons

Choi

Kim

et al. 2019

Energies

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A new curved-type reflector for solar power generation is proposed. By adopting the curved-type reflector between consecutive solar panel arrays, all incoming sunlight can be utilized and thus, the generated power is significantly increased. Furthermore, the proposed curved-type reflector can be generally used in four seasons regardless of the altitude or angle of the installation environment. The optimum design rule for the curved-reflector, comparing to a plane-type reflector, is completely developed in this paper. A new solar cell configuration best fit for the proposed curved-reflector is also provided. Experimental results showed that the curved-type reflector improves the spatial average solar power by 61% compared to no reflector case, which is even 11% higher than the plane-type reflector. Reflectors, especially curved-type reflectors, are found to be one of promising solutions for highly efficient solar power generation.

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Mitigation of Interharmonics in PV Systems With Maximum Power Point Tracking Modification

Cited by 114 publications

References 12 publications

A Novel Cooperative Controller for Inverters of Smart Hybrid AC/DC Microgrids

A Novel Cooperative Controller for Inverters of Smart Hybrid AC/DC Microgrids

Fundamental grid impedance estimation using grid‐connected inverters: a comparison of two frequency‐based estimation techniques

New Curved Reflectors for Significantly Enhanced Solar Power Generation in Four Seasons

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