Proceedings ArticleDOI
Lyapunov based frequency independent current controller for grid connected single phase PV systems
Sukumar Mishra,Dushyant Sharma,Yash Kumar,Deepak Pullaguram +3 more
- pp 1-6
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TLDR
In this article, a Lyapunov-based inner (current) control is proposed for a single phase inverter based system which robustly tracks the reference current independent of the system frequency.Abstract:
This paper proposes a control scheme for single phase inverter based systems. The inverter controller consists of two loops; the inner current control loop which is the faster one while the outer voltage / active and reactive power control loop is the slower one. A Lyapunov based inner (current) control is presented in this work which robustly tracks the reference current independent of the system frequency. The proposed controller is used in a grid connected single phase Photo Voltaic (PV) system and is compared with a Proportional Resonant (PR) and sliding mode controller which are generally used in AC systems. While the PR controller is tuned to operate at a particular frequency, the proposed controller performs much better in terms of tracking the reference current at any frequency. The controller is derived using the system differential equation and obtaining asymptotical stability using Lyapunov's stability criteria.read more
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Journal ArticleDOI
Lyapunov Based Fast Terminal Sliding Mode Q-V Control of Grid Connected Hybrid Solar PV and Wind System
TL;DR: An adaptive Lyapunov-based rapid terminal sliding mode control is superior over the traditional PI control because of its faster error tracking capability and robustness.
References
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Journal ArticleDOI
Comparison of Photovoltaic Array Maximum Power Point Tracking Techniques
Trishan Esram,Patrick L. Chapman +1 more
TL;DR: The many different techniques for maximum power point tracking of photovoltaic (PV) arrays are discussed in this paper, and at least 19 distinct methods have been introduced in the literature, with many variations on implementation.
Journal ArticleDOI
A Comparative Study on Maximum Power Point Tracking Techniques for Photovoltaic Power Systems
TL;DR: In this paper, a comprehensive review of the MPPT techniques applied to photovoltaic (PV) power system available until January, 2012 is provided, which is intended to serve as a convenient reference for future MPPT users in PV systems. But, confusion lies while selecting a MPPT as every technique has its own merits and demerits.
Journal ArticleDOI
A Control Methodology and Characterization of Dynamics for a Photovoltaic (PV) System Interfaced With a Distribution Network
TL;DR: In this paper, the authors proposed a control strategy for a single-stage, three-phase, photovoltaic (PV) system that is connected to a distribution network.
Journal ArticleDOI
Lyapunov-Based Control Scheme for Single-Phase Grid-Connected PV Central Inverters
TL;DR: A Lyapunov-based control scheme for single-phase single-stage grid-connected photovoltaic central inverters is presented and the designed controller is able to deal with the system uncertainty that depends on the solar irradiance.
Journal ArticleDOI
A New Method for Islanding Detection of Inverter-Based Distributed Generation Using DC-Link Voltage Control
TL;DR: In this article, a new method for islanding detection of inverter-based distributed generation (DG) is presented, which changes the dc-link voltage considering the PCC voltage changes during islanding condition.