Solar Power Generation System With Power Smoothing Function

Wu, Jinn‐Chang; Jou, Hurng‐Liahng; Wu, Wen-Chan; Chang, Chung-Hsun

doi:10.1109/access.2022.3159801

Cited by 6 publications

(3 citation statements)

References 34 publications

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“…The constraints may be exceeded if capacitor banks or voltage regulating devices are present, often put in substations to boost the voltage. Limiting the production of actual PV power is one potential solution to this problem [10]. The voltage will rise when power is reversed from the sporadic source and is directed toward the substation when a collection of sporadic PV systems is connected to a low voltage (LV) distribution network [11].…”

Section: Voltage Rise and Reverse Power Flowmentioning

confidence: 99%

A Comprehensive Review: Mitigating Techniques for Power Variability Due to Integration of Renewable Energy Sources With Grid

Sharma,

Garg,

Sharma

et al. 2023

J. Electron. Electric. Eng.

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Renewable energy sources like solar panels and wind turbines are becoming more important for generating power. The inconsistent and unreliable output of solar panels and wind turbines is due to factors like clouds, weather conditions, and wind speed that cause their energy production to fluctuate. Connecting intermittent sources to the utility grid creates difficulties in different technical areas, such as ensuring a steady and reliable power supply, protecting the system from disruptions, controlling the distribution of generated power, and maintaining a consistent level of power quality. In this situation, adjusting the amount of electricity produced by an intermittent energy source to keep the power grid stable is essential. This issue must be resolved as soon as possible. The extension to these locations diminishes the grid's strength. It leads to a scenario where a solar power plant is integrated into a subpar electric grid. However, integrating solar power into a shoddy AC infrastructure has problems with power quality (PQ) problems, which restricts penetration levels. This review article suggests various FACTS devices and various conventional, adaptive, and AI-based algorithms to reduce PQ issues brought on by a weak grid and increase renewable energy source (RES) penetration levels. This paper discusses the PQ issues that occur when RES like solar power plants (SPP) and wind power plants (WPP) or both as hybrid are connected to the electrical grid. It also explores different ways to reduce the fluctuation in power output from the solar panels. It analyzes the numerous power quality issues that arise with solar penetration and PQ mitigation methods using several FACTS devices and control algorithms, including traditional control, adaptive control, and AI-based control algorithms. For the benefit of engineers and academics working in this field of study, various research publications have been carefully evaluated, organized, and placed on this paper for convenient reference. It also briefly discusses the plan for controlling battery storage system for solve this problem.

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Section: Voltage Rise and Reverse Power Flowmentioning

confidence: 99%

A Comprehensive Review: Mitigating Techniques for Power Variability Due to Integration of Renewable Energy Sources With Grid

Sharma,

Garg,

Sharma

et al. 2023

J. Electron. Electric. Eng.

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show abstract

“…The above topologies are used for applications with a single DC source. A dual-input BBI is proposed in [16] to process the output powers of two DC sources. However, the dual-input BBI cannot provide reactive power.…”

Section: Introductionmentioning

confidence: 99%

Power Conversion Interface for a Small-Capacity Photovoltaic Power Generation System

Wu¹,

Jou

Chang³

2023

Energies

Self Cite

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A power conversion interface for a small-capacity photovoltaic power generation system (PPGS) is proposed in this paper. The proposed power conversion interface is composed of a DC–DC converter (DDC), a battery pack and a buck–boost inverter (BBI). The battery pack is integrated to the power conversion interface to store or release energy for smoothing the power fluctuation of the small-capacity PPGS. The battery pack is only activated when a large power change occurs in the photovoltaic array (PV array). The DC power, no matter whether is from the PV array or the battery pack, needs to be converted into AC power only by the BBI in the proposed power conversion interface. Moreover, the PV array charges the battery pack only through the DDC, which simplifies the power circuit and improves the power conversion efficiency. To verify the feasibility of the proposed power conversion interface, a hardware prototype is established for practical experiments.

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“…Solar systems have been developed for different applications in industrial and domestic settings. The solar systems act as a collector, which captures solar energy and converts it into thermal or electrical energy [1]. The produced power is depended on the total energy captured by the collector.…”

Section: Introductionmentioning

confidence: 99%

Experimental Verification of the Modified PSA Algorithm

Wang

Munochiveyi

2022

IEEE Access

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Being abundant and non-polluted, solar energy is an increasingly desirable energy source. Growing research is concerned about maximum solar energy acquisition from solar panels, especially in the automatic sun-tracking of the solar panels. This paper presents a modified algorithm based on the "PSA Algorithm" proposed in the 2001. And presents a new automatic solar tracking system with a two-axis is designed based on the algorithm. The PSA modified algorithm is used to calculate the sun's horizontal azimuth and zenith angle combined with time, longitude, latitude, and other information. We designed a prototype mainly composed of a microcontroller, a Global Positioning System (GPS) module, a digital compass, a tilt sensor, a 555 timer, and gates, optical couples, an H-bridge and two stepper motors. Then using the proposed prototype, a series of experiments are conducted in Tianjin City. Measured zenith angle values were collected and recorded based on the PSA modified algorithm and the original PSA algorithm, compared with the actual Zenith Angle of the Sun in Tianjin City. The comparison curves of Zenith Angle show that the measurement accuracy of the modified PSA algorithm is higher than that of the PSA original algorithm.INDEX TERMS automatic solar tracking system, measurement accuracy, PSA modified algorithm, twoaxis tracking method, Zenith angle.

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Solar Power Generation System With Power Smoothing Function

Cited by 6 publications

References 34 publications

A Comprehensive Review: Mitigating Techniques for Power Variability Due to Integration of Renewable Energy Sources With Grid

A Comprehensive Review: Mitigating Techniques for Power Variability Due to Integration of Renewable Energy Sources With Grid

Power Conversion Interface for a Small-Capacity Photovoltaic Power Generation System

Experimental Verification of the Modified PSA Algorithm

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