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Power Generation Using Permanent MagnetSynchronous Generator (PMSG) BasedVariable Speed Wind Energy ConversionSystem (WECS): An Overview

The growing power demand in day-to-day life paves way for more renewable energy-based resources in our life. Wind energy is one other most reliable energy in India and is expeditiously increasing in the recent years. Amidst the various wind turbines available for wind power extraction, the Permanent Magnet Synchronous Generator (PMSG) has many advantages owing to its attractive concept. The past research on this machine have analysed the various techniques used for extracting utmost power from the available wind energy. This review paper analyses the best control techniques that are available for controlling the PMSG, Maximum power point tracking (MPPT) methods both stereotyped as well as smart techniques and charging control techniques in both balanced along with unbalanced load conditions for a standalone PMSG based Wind Energy Conversion System (WECS). 

PMSG based WECS: Control techniques, MPPT methods and control strategies for standalone battery integrated system

Motivated by the increasing concerns over environmental challenges such as global warming and exhaustion of fossil-fuel reserves, the renewable energy industry has become the most sought-after source of electrical energy production worldwide. In this context, wind energy conversion systems (WECS) are one of the most dominant and fastest-growing technologies, playing an increasingly vital role in renewable power generation. To meet this growing demand and mitigate the vulnerability of WECS to various sets of internal/external faults, the cost-effectiveness and efficient power production of WECS must be ensured, which highlights the critical role of the control system. This topic has been intensively studied in the literature, and many control approaches have been developed to deal with the simultaneous enhancement of efficiency and reliability of WECS. However, sliding mode control (SMC) has proved its reliable and superior performance among most control strategies due to its inherent robustness to parametric uncertainties and disturbances and ease of design and implementation. Accordingly, this paper provides a comprehensive survey of existing literature on the application of SMC and its emerging modifications to address different control design problems for WECS. 

Sliding mode control of wind energy conversion systems: Trends and applications

Received: 15 October 2019 Accepted: 8 December 2019 Conventional direct power control (DPC) using two hysteresis comparators and switching table for a doubly fed induction generator (DFIG) integrated in a wind turbine system (WTS) have some drawbacks such as harmonic distortion of voltages, reduced robustness and powers ripples. In order to resolve these problems, a super-twisting sliding mode control (STSMC) scheme based on adaptive-network-based fuzzy inference system (ANFIS) algorithm is employed. The validity of the employed approach was tested by using Matlab/Simulink software. Interesting simulation results were obtained and remarkable advantages of the proposed strategy were exposed including simple design of the control system, reduced powers ripples as well as the other advantages.

DPC Based on ANFIS Super-Twisting Sliding Mode Algorithm of a Doubly-Fed Induction Generator for Wind Energy System

Stability analysis of pitch angle control of large wind turbines with fractional order PID controller

In the recent time, Permanent-Magnet Synchronous-Generator (PMSG) based variable-speed Wind-Energy Conversion-Systems (WECS) has become very attractive to many researchers. The research aim is to analyse different synchronous machine and compare them based on their maximum power generation. This paper reviews various aspects of PMSG such as topologies with controlled and uncontrolled rectifier, grid-connected and standalone mode of operation with various control methods of PMSG based WECS and recent optimization approaches. The performance analysis of PMSG can be enhanced by adopting a number of control mechanisms with the benefit of advanced optimization techniques.Acomparative analysis is carried out based on the techniques used and their corresponding advantages and drawbacks are discussed.

Power generation using Permanent Magnet Synchronous Generator (PMSG) Based Variable Speed Wind Energy Conversion System (WECS): An Overview

Comparative analysis of fractional order PI and integer order PI based controller for hybrid standalone wind energy conversion system

In this article, Power generation system model includes a turbine model of wind system, PMSG model, and a Simulink model of drive train. The generated power through the wind power plant is fed to three phase linear and non-linear load. The power electronics based shunt connected custom power devices are used to suppress the power quality problems at constant speed turbine. The objective of this paper is to compensate harmonic and reactive power due to non-linearity of loads and maintained rated voltage at the point of common interface (PCI). This shunt connected compensator as a DSTATCOM is controlled through variable step learning based adaptive control algorithm. The simulation waveforms show the satisfactory performance of PMSG System and the control algorithm.

Variable step learning based control algorithm for power quality in PMSG based power generation system

The wind turbine efficiency increases by controlling the rotor speed to its optimal value. A nonlinear controller, which is robust towards uncertainties in the dynamic plant model and unknown disturbances, is designed for better capture of rotor speed. This paper focuses on an effective wind speed based complementary sliding mode controller (CSMC) designed for wind turbine. The main objective of the controller is to extract the maximum power from wind at region 2 (below rated wind speed) with minimum oscillation on the drive train. The controller stability is validated by Lyapunov function. The proposed and existing control algorithms are validated using a FAST 600kW model which is developed by NREL (National Renewable Energy Laboratory). The efficacy of the proposed controller is validated by comparing it with typical nonlinear controller such as sliding mode and integral sliding mode controller. A detailed simulation is performed for typical and proposed control strategies for different mean wind speed profiles. The simulations results shows that, complementary sliding mode controller gives better performance than typical control strategies.

Anjana Jain

Papers

Power Generation Using Permanent MagnetSynchronous Generator (PMSG) BasedVariable Speed Wind Energy ConversionSystem (WECS): An Overview

Power generation using Permanent Magnet Synchronous Generator (PMSG) Based Variable Speed Wind Energy Conversion System (WECS): An Overview

Comparative analysis of fractional order PI and integer order PI based controller for hybrid standalone wind energy conversion system

Variable step learning based control algorithm for power quality in PMSG based power generation system

Design of Complementary Sliding Mode Control for Variable Speed Wind Turbine