Journal ArticleDOI
Power Quality Enhancement Using Linear Quadratic Regulator Based Current-controlled Voltage Source Inverter for the Grid Integrated Renewable Energy System
TLDR
An optimal control strategy using linear quadratic regulator applied in current-controlled voltage source inverter (CCVSI) to control the real and reactive power flow between the renewable energy system (RES) and the grid is presented.Abstract:
This paper presents an optimal control strategy using linear quadratic regulator (LQR) applied in current-controlled voltage source inverter (CCVSI) to control the real and reactive power flow betw...read more
Citations
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Journal ArticleDOI
Enhancement of power quality using double-band hysteresis controller for the grid integrated renewable energy system
Journal ArticleDOI
Sliding mode controller-based voltage source inverter for power quality improvement in microgrid
TL;DR: The SMC using equivalent control function outperforms the other methods in terms of chattering, THD and PF in the grid during balanced and unbalanced grid voltage conditions even in the existence of nonlinear loads.
Journal ArticleDOI
Robust Finite-Time Control of Linear System with Non-Differentiable Time-Varying Delay
TL;DR: This article constructed Lyapunov-Krasovskii functionals containing several symmetric positive definite matrices to obtain robust finite-time stability and stabilization of the uncertain linear system with a non-differentiable time-varying delay.
Journal ArticleDOI
Control of power in the grid integrated solar photovoltaic system using linear quadratic regulator
TL;DR: This paper presents a control to mitigate these power quality issues in addition to the control of power flow between solar photovoltaic system and non-linear load, using linear quadratic regulator.
References
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Journal ArticleDOI
Control system for a PWM-based STATCOM
TL;DR: In this article, a discrete-time model of the STATCOM is derived to take into account the discrete time implementation of the controller, which ensures decoupled control of real and reactive power exchanged between the power converter and the electric-energy system.
Journal ArticleDOI
Lyapunov Function-Based Current Controller to Control Active and Reactive Power Flow From a Renewable Energy Source to a Generalized Three-Phase Microgrid System
TL;DR: The proposed control system (implemented digitally) provides superior performance over the conventional multiple proportional-integral and proportional-resonant control methods due to the absence of the PARK's transformation blocks as well as phase lock loop requirement in the control structure.
Journal ArticleDOI
Distributed optimal power flow for smart grid transmission system with renewable energy sources
Shin-Yeu Lin,Jyun-Fu Chen +1 more
TL;DR: The proposed DPOPF algorithm is a combination of the recursive quadratic programming method and the Lagrange projected gradient method; it can achieve the complete decomposition and can be executed in the smart grid transmission system to make distributed and parallel computation possible.
Proceedings ArticleDOI
Control system for a PWM-based STATCOM
TL;DR: In this paper, a discrete-time model of the STATCOM is derived to take into account the discretetime implementation of the controller, which ensures decoupled control of real and reactive power exchanged between the power converter and the electric-energy system.
Journal ArticleDOI
3-Phase 4-Wire Shunt Active Power Filter with Renewable Energy Interface
TL;DR: In this article, a three-phase four-wire Shunt Active Filter that compensates power quality problems and can also interface renewable energy sources with the electric grid is presented. And the inverter stage of the active filter is based in a two-level four-leg inverter and its control is based on the Theory of Instantaneous Reactive Power.