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
More filters
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
More filters
Journal ArticleDOI
A micro-grid ensuring multi-objective control strategy of a power electrical system for quality improvement
TL;DR: In this paper, the authors investigated a multi-objective control strategy for the integration of an MG into electrical network in order to ensure simultaneously active power supply, reactive power compensation, harmonic current damping and grid frequency regulation.
Journal ArticleDOI
Lyapunov-Based Digital Control of a Grid-Connected Inverter With an LCL Filter
TL;DR: In this paper, a new numerical generator for reference waveforms is proposed to avoid complex analytical operations and a virtual damping method is also proposed to prevent resonant oscillations in the filter.
Journal ArticleDOI
An Active Power Filter with Direct Current Control for Power Quality Conditioning
TL;DR: In this paper, a new simple and robust control structure for an active power filter is designed, simulated, and tested, based on the DC bus energy balance, which is intuitive, robust, simple to implement, and allows a fast dynamic response.
Book ChapterDOI
Electric Power Definitions: Background
TL;DR: In this article, the authors present an overview of some power theories, starting from the classical references dating from the 1920s, and summarize power definitions in the frequency domain to give a background for the time domain approach.
Journal ArticleDOI
Dynamic control of unified power flow controller under unbalanced network conditions
TL;DR: New control approaches for both series and shunt inverters of UPFC are developed based on fuzzy logic controller and rotating orthogonal-coordinate method to show the increased stability of the system and improved dynamic response of UP FC during faults occurred in the transmission line.