Adaptive Voltage Control for Large Scale Solar PV Power Plant Considering Real Life Factors

Karbouj, Hazem; Rather, Zakir Hussain; Pal, Bikash C.

doi:10.1109/tste.2020.3029102

Cited by 14 publications

(5 citation statements)

References 18 publications

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“…The authors of (Kryonidis et al, 2016) have proposed a decentralized control strategy to minimize the power losses and provide a fast response in the voltage regulation. Researchers have tried to earn revenue from the participation of the PV inverters in the ancillary services market (Karbouj et al, 2020). A three-level control system consisting of power, voltage, and current control loops has been recommended by (Molina-García et al, 2016) for the PV inverters to overcome the over-voltage issues and the power flow convergence problems.…”

Section: Introductionmentioning

confidence: 99%

Over-Voltage Regulation of Distribution Networks by Coordinated Operation of PV Inverters and Demand Side Management Program

et al. 2022

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The increase of Photovoltaics (PV) units’ penetration factor in the power grids might create overvoltage over the network buses. The active power curtailment (APC) and the reactive power provision methods use inverters to regulate their output active and reactive powers for high PV-penetrated grids. However, the mentioned solutions would reduce the maximum injectable active solar power to the grid, not financially acceptable. Continuous employment of the maximum apparent power capacity of the inverters will practically decrease the inverters’ lifetime, require special design considerations, and make the control system complex. To overcome those issues, a feasible solution would be increasing the load consumption within the time intervals in which the grid faces the over-voltage problem. In this research, the demand response (DR) program is employed. Load shifting techniques are exerted to move a portion of loads from the peak hours to when further power consumption is expected for voltage level reduction purposes. A new long-term strategy based on the coordinated operation of the PV inverters and load shifting techniques is proposed to resolve the over-voltage issue in the network. Consequently, the PV inverter’s contribution to voltage control is reduced; a new sight of DR potential is implemented, and also the under-voltage level in peak times is decreased significantly.

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Section: Introductionmentioning

confidence: 99%

Over-Voltage Regulation of Distribution Networks by Coordinated Operation of PV Inverters and Demand Side Management Program

et al. 2022

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“…Based on figure 4, the voltage of the T5 LED lamp is not constant due to the output voltage of solar photovoltaic (PV) arrays varies throughout the day due to factors such as solar irradiation, temperature, and partial shading [23], [24], [25]. Solar irradiance and ambient temperature significantly influence the voltage of PV systems, impacting their performance and reliability [26], [27]. Additionally, partial shading, hotspots, and diode failure affect the efficiency of solar PV systems, contributing to voltage fluctuations [25], [28].…”

Section: Resultsmentioning

confidence: 99%

Kangkung microgreen growth analysis under T5 LED lighting using solar PV

Syukriyadin,

Sara,

Syahrizal

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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The T5 LED lamp is one form of LED light that can be utilized for indoor microgreen growing. The T5 LED lamp has various advantages, such as great energy efficiency and a long lifespan, and they do not emit excessive heat. This research intends to analyze the growth rate of kangkung (Ipomoea reptans poir) utilizing a T5 LED lamp as the light source. The research was carried out through an experimental design. Kangkung microgreen plants were placed under a T5 LED lamp, positioned 50 cm below the lamp’s surface, and connected to the voltage output supply from solar PV. The results showed that the average value of root growth rate was 26% per day, stem length growth rate was 26% per day, leaf width growth rate was 3.74% per day, leaf length growth rate was 23% per day, petiole length growth rate was 29% per day, the stem diameter growth rate is 4% per day, and the wet weight growth rate is 1.42% per day.

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“…In (Jain and Singh, 2017), a two-stage circuit topology is proposed, wherein the first stage is a boost converter, which serves for maximum power point tracking, and the second stage is a grid tied voltage source converter (VSC), which not only feeds extracted solar PV energy into the three-phase distribution system but also serves for harmonics mitigation, reactive power compensation, and grid current balancing. In (Karbouj et al, 2021), a self-adaptive voltage controller is proposed to enable solar PV power plant participation in voltage control ancillary service based on the reactive power capability estimation. In (Prasad et al, 2019), a method to optimize dc-link voltage of distribution static compensator based on load compensation requirement using reduced switch count multilevel converter integrated with PV system, which is capable of compensating reactive power, unbalance, and harmonics demanded by three-phase unbalanced and nonlinear loads connected to the distribution side, leading to improvement of power quality.…”

Section: Introductionmentioning

confidence: 99%

A data-driven time-delay compensation strategy for ancillary service of the distribution photovoltaic generation system

Shen,

Dong,

Sun

et al. 2023

Front. Energy Res.

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With the increasing integration of distributed photovoltaic (PV) generation, the distribution network has met many challenges in operation and control. Ancillary services on PV generation systems become a necessary function to enhance the distribution network operating stability and resilience. However, due to the complexity of the control framework and the outer data dependency, the time delay on the measured data may bring a significant influence on the effectiveness of the PV system ancillary service. To solve the time delay influence, in this paper, a data-driven time-delay compensation strategy via the long short-term memory (LSTM) method is proposed. The proposed compensation strategy could realize the measured data compensation caused by the communication or calculation delay to maintain the accuracy of measured data that is input into the PV system ancillary service. Besides the LSTM-based method, the data-driven time-delay compensation strategy also includes a LSTM activation control to realize the smooth activation of the compensation strategy into the PV generation system. A modified IEEE 123 bus system with multiple distributed PV generation systems integration is conducted to verify the performance of the proposed compensation strategy. The simulation results indicate that the proposed data-driven time-delay compensation strategy could significantly improve the frequency performance of the PV ancillary service. In addition, the simulation results also show that the LSTM has a strong generalization ability for delay time constant and can deal with the random time delay caused by communication and disturbances in distribution systems.

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Adaptive Voltage Control for Large Scale Solar PV Power Plant Considering Real Life Factors

Cited by 14 publications

References 18 publications

Over-Voltage Regulation of Distribution Networks by Coordinated Operation of PV Inverters and Demand Side Management Program

Over-Voltage Regulation of Distribution Networks by Coordinated Operation of PV Inverters and Demand Side Management Program

Kangkung microgreen growth analysis under T5 LED lighting using solar PV

A data-driven time-delay compensation strategy for ancillary service of the distribution photovoltaic generation system

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