Improved Widrow–Hoff Based Adaptive Control of Multiobjective PV-DSTATCOM System

Modi, Gaurav; Kumar, Shailendra; Singh, Bhim

doi:10.1109/tia.2019.2960732

Cited by 33 publications

(5 citation statements)

References 25 publications

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“…The accuracy of the MVF-DEANF-PLL methodology is clear, as the utility current's (i sabc ) THD remained below the limitations of the IEEE-519 standard [25]. The laboratory arrangement of the SPVS with Widrow Hoff control exhibited a THD of around 4.06% in the utility current, as documented in the available literature [28]. The effectiveness of the proposed control in PQ issue alleviation exceeds that of the Widrow Hoff control.…”

Section: Response At Spv Hoursmentioning

confidence: 97%

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Alleviation of Power Quality Issues in MVF-DEANF-PLL Based Solar PV Systems under Polluted Grid Conditions

Mohan,

Siddhan,

Chinnadurai

2023

Sustainability

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Solar energy is a sustainable and environmentally safe power source due to its widespread availability and cleanliness. Nowadays, the grid-integrated solar photovoltaic system (SPVS) has to work with a polluted grid, an imbalanced load, and changing solar irradiation. When the grid is polluted, it is also crucial to enhance power quality (PQ) at a common coupling point (CCP) while supplying significantly distorted and unreliable loads. For effective synchronization and the production of unit templates, it is necessary to retrieve positive sequence components (PSCs) from distorted/imbalanced grid voltages. In this study, a control algorithm for a grid-integrated SPVS is developed using a multi-variable filter dual-enhanced adaptive notch filter phase-locked loop (MVF-DEANF-PLL) which offers seamless grid synchronization and PQ issue alleviation. In a polluted grid environment, the proposed control approach aids in the reduction in current/voltage harmonics, DC offset, unity power factor (UPF) operation, and rapid estimation of sequence components. Even in unbalanced grid conditions, the proposed control approach efficiently extracts PSCs of both unbalanced load current and polluted CCP grid voltages. These PSCs are utilized to generate unit templates and reference source currents. By using a flexible step-size incremental conductance (FSSINC) maximum power point tracking (MPPT) technique, the highest available power of SPVS is gathered. MATLAB/Simulink is utilized for modelling a 7.22 kW SPV system, and results from simulations which depict that the proposed algorithm efficiently resolves PQ concerns in distribution networks with a polluted grid. Test observations of a 1 kW laboratory-developed SPVS prototype were recorded in compliance with the IEEE-519 standard. The suggested control technique complies with the aforementioned standards by providing a sinusoidal balanced source current that has a THD of 2.5%. Comparisons between the proposed control’s performance and that of a conventional SRF-PLL-based control technique were also performed.

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Section: Response At Spv Hoursmentioning

confidence: 97%

“…Moreover, the methodology being proposed in this study guarantees that the THD of the current 𝑖 remains below the prescribed limitations established by the IEEE-519 standard [25]. In the traditional integrated LMS-LMF control, it was noted that the supply current had a THD of 2.48% [28].…”

Section: System Response At Non-spv Hoursmentioning

confidence: 99%

Alleviation of Power Quality Issues in MVF-DEANF-PLL Based Solar PV Systems under Polluted Grid Conditions

Mohan,

Siddhan,

Chinnadurai

2023

Sustainability

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“…Continuing this trajectory, a comprehensive literature review has been conducted on the current state-of-the-art techniques for SPV-integrated DSTATCOM. In [6], a photovoltaic DSTATCOM (PV-DSTATCOM) system is presented, extracting maximum power from PV for supplying the functional load and directing excess power to the grid. The control of the voltage-source converter (VSC) in this approach is achieved by generating load current fundamental components, synchronizing, and enhancing PQ using the same algorithm.…”

Section: ░ 1 Introductionmentioning

confidence: 99%

“…In [9], a variable stepsize adaptive neuron technique is introduced to mitigate steadystate and dynamic errors observed in previous methods in the literature. Moreover, in these methods [6]- [9], the PV array is connected to the boost converter before being linked to the VSC's dc-link. This configuration contributes to increased control complexity and overall cost [10].…”

Section: ░ 1 Introductionmentioning

confidence: 99%

Investigation and Reduction of Harmonic in Grid Connected PV Fed DSTATCOM System

Soujanya,

Upendar

2024

IJEER

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The utilization of a photovoltaic-based distribution static compensator (PV-DSTATCOM) stands out as a prominent solution for addressing energy demand deficits and power quality challenges within contemporary power systems. This article focuses on enhancing the performance of PV-DSTATCOM to facilitate grid integration and elevate power quality standards. In the envisioned system, the power from the photovoltaic array is harnessed through the utilization of the sliding mode control, ensuring the extraction of maximum power. The performance of the PV-DSTATCOM is analyzed by using a Packed U cell 5 inverter. The control signals for the voltage-source inverter are generated using PQ control scheme. The efficacy of the proposed system is substantiated through MATLAB simulation results. The outcomes presented in this article highlight the accomplished improvement in the performance of PV-DSTATCOM, ensuring concurrent advancements in current THD.

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“…In [6], a multifunctional three phase solar energy conversion system is proposed, which has the capability to compensate the PQ issues in load side. A Distribution Static Compensator (DSTATCOM) based shunt active filtering in addition to clean energy generation is proposed in [7], [8]. The benefit of excellent load voltage regulation by DSTATCOM comes at the cost of reactive power injection.…”

Section: Introductionmentioning

confidence: 99%

Solar Assisted Relift Luo Converter with UPQC for Voltage Unbalance Mitigation Using DDSRF Theory

Pakkiraiah

Venkateswarlu

Rao

2023

International Journal of Electrical Engineering and Computer Science

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The upsurge seen in integration of sensitive non-linear loads and Photovoltaic (PV) system based power generation has strengthened the demand for enhanced Power Quality (PQ) in distributed power system. Thereby, a Unified Power Quality Conditioner (UPQC), which is a custom power device is proposed in this work for improving the PQ of the overall network. The load side PQ issues is mitigated using the shunt compensator, while the source side PQ issues is mitigated using the series compensator of the UPQC. The active power to the load is provided from the PV system through a shunt compensator. The voltage level of the output obtained from the PV is improved with the aid of Re-lift Luo converter, which is a DC-DC converter of high efficiency and voltage gain. Moreover, in order to provide a stabilized voltage supply to the UPQC, an Adaptive Proportional Integral (PI) controller is selected and its gains are adjusted with the application of Fuzzy Logic Controller (FLC). The Decoupled Double Synchronous Reference Frame (DDSRF) theory is applied to derive the reference voltage and reference current for balancing source voltage variations and load current harmonics, respectively. The series and shunt compensators are controlled using Cascaded Type-2 FLC (CT2FLC). The effectiveness of the proposed PV-UPQC configuration in eliminating load current harmonics and source voltage fluctuations is evaluated on the basis of MATLAB simulations.

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Improved Widrow–Hoff Based Adaptive Control of Multiobjective PV-DSTATCOM System

Cited by 33 publications

References 25 publications

Alleviation of Power Quality Issues in MVF-DEANF-PLL Based Solar PV Systems under Polluted Grid Conditions

Alleviation of Power Quality Issues in MVF-DEANF-PLL Based Solar PV Systems under Polluted Grid Conditions

Investigation and Reduction of Harmonic in Grid Connected PV Fed DSTATCOM System

Solar Assisted Relift Luo Converter with UPQC for Voltage Unbalance Mitigation Using DDSRF Theory

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