An efficient partial feedback linearization current controller for grid connected photovoltaic system

Thomas, Jeena Sara; Jose, Deepu

doi:10.1109/picc.2015.7455759

2015 International Conference on Power, Instrumentation, Control and Computing (PICC) 2015

DOI: 10.1109/picc.2015.7455759

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An efficient partial feedback linearization current controller for grid connected photovoltaic system

Jeena Sara Thomas

Deepu Jose

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2022

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Cited by 1 publication

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“…Partial Feedback Linearization controller (PFLC) [46,89]. Feedback linearization is a method of non-linear control design that algebraically converts the dynamics of a non-linear system into a completely or partially linear one, allowing linear control techniques to be used [90]. Exact feedback linearization converts a non-linear system into a fully linear one, whereas partial feedback linearization transforms the system into a partially linearized one [46,89].…”

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Analysis of Voltage and Reactive Power Algorithms in Low Voltage Networks

Stanelytė

Radziukynas

2022

Energies

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The rapid development of renewable energy sources and electricity storage technologies is further driving the change and evolution of traditional energy systems. The aim is to interconnect the different electricity systems between and within countries to ensure greater reliability and flexibility. However, challenges are faced in reaching it, such as the power grid complexity, the system control, voltage fluctuations due to the reverse power flow, equipment overloads, resonance, incorrect island setting, and the diversity of user needs. The electricity grid digitalization in the market also requires the installation of smart devices to enable real-time information exchange between the generator and the user. Inverter-based distributed generation (DG) may be used to control the grid voltage. Smart PV inverters have the capability to supply both inductive and capacitive reactive power to control the voltage at the point of interconnection with the grid, and only technical parameters of smart PV inverters limit this capability. Reactive power control is related to ensuring the quality of voltage in the electricity distribution network and compensating reactive power flows, which is a technical–economic aspect. The goal of this research is to present an analysis of controllers that supply reactive power to the electrical grid via PV systems. This research analyzes recent research on local, centralized, distributed, and decentralized voltage control models in distribution networks. The article compares various approaches and highlights their advantages and disadvantages. The voltage control strategies and methodologies mentioned in the article can serve as a theoretical foundation and provide practical benefits for PV system development in distribution networks. The results of the research show that the local voltage control approach, as well as linear and intelligent controllers, has great potential.

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“…PFLCs do not require the dynamics of the complete model, which is among their primary advantages [90]. Despite the fact that the technique may be used to manage most non-linear systems, poor control performance is frequently caused by uncertainty in system parameters or unmolded dynamics [87].…”

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confidence: 99%

Analysis of Voltage and Reactive Power Algorithms in Low Voltage Networks

Stanelytė

Radziukynas

2022

Energies

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An efficient partial feedback linearization current controller for grid connected photovoltaic system

Cited by 1 publication

References 6 publications

Analysis of Voltage and Reactive Power Algorithms in Low Voltage Networks

Analysis of Voltage and Reactive Power Algorithms in Low Voltage Networks

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