The integration of wind energy systems into the electric grid has become inevitable despite many problems associated with this integration. Most these are due to variations in speed. for example oscillations power generated, which implies lack guarantee obtaining maximum and ripple electromechanical torque generator. This work aims at mitigating conversion system-driven doubly-fed induction generator (DFIG), is main turbine utilized applications. mitigation performed through direct reactive...

The article presents a review about Maximum Power Point Tracking (MPPT) of PV system based cuckoo search algorithm. Cuckoo (CS) provides several advantages such as the process tuning parameters is few with high efficiency beside fast convergence. uses random walk according to le'vy flight in searching process. MPPT by using compared other two methods, neural network method which needs training for data and incremental conductance method. DC-DC converter utilized direct duty cycle control PWM...

Connecting different renewable energy sources (RESs) to the electrical grids is presently being urged fulfill enormous need for electric power and decrease traditional sources' ecological related issues, so-called hybrid systems. Unfortunately, these systems suffer from possible negative environmental impacts of wind gusts in conversion (WECSs) that may degrade overall system performance. Additionally, various severe faults disconnect some RESs system, like three-phase faults. In this paper,...

Developing countries' energy sector faces a multitude of challenges, ranging from inadequate generation to unstable grids. Power outages are among the most common issues, particularly in remote areas. Utilizing grid-tied green resources address this issue and cover for power local This article presents cost-effective design grid-tied, hybrid system (GES) consisting wind, PV, batteries considering influence grid availability. A multi-objective, optimal techno-economic design, optimized by...

This article proposes a model reference adaptive control (MRAC) of static synchronous compensator (STATCOM) for enhancing the integration driven wind turbine‐based self‐excited induction generator (SEIG) into electrical grids. An MRAC‐based Massachusetts Institute Technology mechanism is utilised to reactive power flow grid‐integrated SEIG. The voltage‐source inverter sinusoidal pulse width modulation STATCOM used overcome abnormal operating conditions in energy conversion system....

Hybrid microgrids are presented as a solution to many electrical energetic problems. These contain some renewable energy sources such photovoltaic (PV), wind and biomass, or hybrid of these sources, in addition storage systems. Using electric power generation has advantages clean energy, stability supplying power, reduced grid congestion new investment field. Despite all advantages, they not widely used due economic aspects. aspects represented the net present cost (NPC) levelized (LCOE). To...

Optimal power flow (OPF) is one of the most significant electric network control and management issues. Adding unreliable intermittent renewable energy sources to electrical grid increase complicates OPF issue, which calls for using modern optimization techniques solve this issue. This work presents optimal location size some FACTS devices in a hybrid system containing stochastic wind traditional thermal plants considering OPF. The used are thyristor-controlled series compensator (TCSC),...

In this study, an optimization algorithm called chaotic turbulent flow of water-based (CTFWO) is proposed to find the optimal solution for reactive power dispatch (ORPD) problem. The ORPD formulated as a complicated, mixed-integer nonlinear problem, comprising control variables which are discrete and continuous. CTFWO used minimize voltage deviation (VD) real loss (P_loss) IEEE 30-bus 57-bus systems. These goals can be achieved by obtaining optimized values generator, transformer tap...

This study proposes a simplified super-twisting algorithm (SSTA) control strategy for improving the power quality of grid-connected photovoltaic (PV) systems. Some issues are considered in this including factor, reducing total harmonic distortion (THD) current, compensating reactive power, and injecting at same time energy supplied by PV system into grid considering non-linear load. improvement is achieved two topologies; controlling both boost DC–DC converter DC–AC inverter that links to...

The need for energy has significantly increased in the world recent years. Various research works were presented to develop Renewable Energy Sources (RESs) as green Distributed Generations (DGs) satisfy this demand. In addition, alleviating environmental problems caused by utilizing conventional power plants is diminished these renewable sources. optimal location and size of DG-RESs affect performance Radial Distribution Systems (RDSs) through fine bus voltage profile, senior quality, low...

This work provides regulation of active and reactive power for asynchronous generator-based multi-rotor wind (MRWP) systems using a synergetic control based on fractional order theory. The traditional theory achieves an undesirable chattering effect, which can damage the system. For this, it is relevant to combine with avoid these drawbacks. Two schemes are proposed, analyzed, compared: direct (DPC) DPC fractional-order controllers, latter needs only information sliding surface. Their...

In the future, renewable energy sources will be of great importance in overcoming problems power generation using traditional sources, as their use contributes to protecting environment from pollution and helps raise human development. Therefore, it is necessary search for a system that has high characteristics quality reduce total cost producing, transmitting, consuming energy. This work proposes new nonlinear direct reactive active control (DRAPC) grid-connected double-powered asynchronous...

Solar energy, a prominent renewable resource, relies on photovoltaic systems (PVS) to capture energy efficiently. The challenge lies in maximizing power generation, which fluctuates due changing environmental conditions like irradiance and temperature. Maximum Power Point Tracking (MPPT) techniques have been developed optimize PVS output. Among these, the incremental conductance (INC) method is widely recognized. However, adapting INC varying remains challenge. This study introduces an...

Frequency response analysis (FRA) has become a widely accepted technique by worldwide utilities to detect winding and core deformations within power transformers. The main drawback of this is its reliance on the personnel level expertise more than standard or automated codes. To establish reliable FRA interpretation codes, accurate high frequency transformer model that can emulate characteristics real transformers in wide range essential. be used investigate impact various signature....

This paper presents an adaptive PID Load Frequency Control (LFC) for power systems using Neuro-Fuzzy Inference Systems (ANFIS) and Artificial Neural Networks (ANN) oriented by Genetic Algorithm (GA). controller parameters are tuned off-line GA to minimize integral error square over a wide-range of load variations. The values obtained from used train both ANFIS ANN. Therefore, the two proposed techniques could, online, tune optimal response at any other point within operating range. Testing...

Solar photovoltaic (PV) energy has met great attention in the electrical power generation field for its many advantages. The connection of PV systems to network is performed through DC-DC converter and DC-AC inverter. This paper aims at enhancing integration into controlling both An adaptive reference PI (ARPI) controller inverter introduced enhance system performance supporting low voltage ride (LVRT) capability, smoothing generated fluctuations during variable environmental conditions....

This article proposes an Artificial Neural Network (ANN) controller of Dynamic Voltage Restorer (DVR) to improve the performance a stand-alone hybrid renewable energy system that is feeding new community located in Egypt. The consists three sources, namely, solar PV cells, wind turbines based-permanent magnet synchronous generator, and fuel cells. These sources are tied common DC link by boost converters, one for each source. connected AC side via DC/AC inverter. optimal size proposed...

Due to the low converters rating and cost of doubly fed induction generator (DFIG) along with its ability function under variable wind speed, DFIG has been widely employed in energy conversion systems (WECSs). Unfortunately, performance is sensitive variation operating conditions disturbance events at grid side. This includes gust, voltage fluctuation faults point common coupling grid. In this study, a model-free adaptive control (MFAC) developed for unified power flow controller (UPFC)...

Integrating renewable energy resources (RERs) has become the head of concern modern power system to diminish dependence using conventional resources. However, intermittent, weather dependent, and stochastic natural are main features RESs which lead increasing uncertainty system. This paper addresses optimal reactive dispatch (ORPD) problem an improved version lightning attachment procedure optimization (LAPO), considering uncertainties wind solar RERs as well load demand. The (ILAPO) is...

Integrating renewable energy sources (RESs) into electrical power systems has gotten highly noticeable among researchers and those interested in production due to the increase demands, fossil fuel exhaustion, ecological effects. PV-based generation is one of essential RESs that appeared had played a vital role recently their advantages. In this regard, paper presents multi-objective computation problem for optimal siting design grid-tied PV achieve optimum generating reliability, considering...

We present the ferroresonance overvoltage mitigation concerning power systems of grid-connected wind energy conversion (WECSs). WECS is considered based on a doubly-fed induction generator (DFIG). Ferroreso-nance associated with single-pole outage line breaker mitigated by fast regulating reactive using static compensator (STATCOM). STATCOM controller introduced, in which two incorporated proportional-inte-gral (PI) controllers are optimally tuned modified flower pollination algorithm (MFPA)...