Grid Synchronization of WEC-PV-BES Based Distributed Generation System using Robust Control Strategy

Also Available Domains Distribution Systems|Hybrid Systems

Project Code :TEPGPS139

Objective

Main objective of this project is to improve the grid synchronization process and frequency variation, and improve the dynamic response of DGS under fast and sudden variation in the solar irradiance.

Abstract

In this project, a renewable (Solar and Wind) energy sources based Distributed Generation System (DGS) is controlled to operate in the grid connected mode and an islanded mode using the robust and fast IAPV (Improved Affine Projection Versoria) and Proportional Resonant (PR) based control strategy. Due to the use of IAPV based control in the grid connected mode, the grid current becomes immune to the DC offset and the other non-fundamental harmonics during an unbalanced load, which significantly improves the grid current quality. 

It also presents the flexible operation of DGS in the grid connected mode using the variable and constant power injection into the grid, which ensures the grid stability during large and fast wind and solar power variations. Moreover, a MSOS-FLL (Modified Second Order Sequence Frequency Locked Loop) is used to improve the synchronization and seamless mode switching (islanded to grid connected and vice versa) performance by quickly and accurately estimating the phase angle and frequency at distorted and unbalanced grid voltages. Simulation results validate the microgrid operation and robustness of the microgrid control.

Keywords: Distributed Generation System, Synchronization, Load converter, Machine Converter and Power Quality.

NOTE: Without the concern of our team, please don't submit to the college. This Abstract varies based on student requirements.

Block Diagram

Specifications

Software Configuration:

Operating System :  Windows 7/8/10

Application Software :  Matlab/Simulink

Hardware Configuration:

RAM :  8 GB / 4 GB (Min)

Processor :  I3 / I5(Mostly prefer)

Learning Outcomes

  • Introduction to Matlab/Simulink
  • What is EISPACK & LINPACK
  • How to start with MATLAB
  • About Matlab language
  • About tools & libraries
  • Application of Matlab/Simulink
  • About Matlab desktop
  • Features of Matlab/Simulink
  • Basics on Matlab/Simulink
  • Introduction to solar power generation
  • Introduction to power electronics converters
  • Introduction to  phase locked loop (PLL)
  • Introduction to PWM techniques
  • Design of PLL
  • Design of battery energy storage system
  • Design of solar PV system
  • Design of MPPT controller
  • Design of DC – DC boost converter
  • Design of bidirectional DC -DC converter
  • Design of Voltage source converter
  • Design of  MSOS-FLL
  • Design of SCIG
  • Design of wind turbine
  • How to works BES ?
  • We can learn about the generation of gate pulses to the converter
  • Introduction to open loop and closed loop control system
  • We can learn about differences between linear and nonlinear loads
  • We can learn about the difference between both grid connected and islanded modes
  • Design of Hysteresis Current Controller
  • Introduction to controllers
  • Design of PI controller
  • Design of PR controller
  • We can learn about the Clarke’s transformation
  • We can learn about the park’s transformation
  • Project Development Skills:
    • Problem analyzing skills
    • Problem solving skills
    • Creativity and imaginary skills
    • Programming skills
    • Deployment
    • Testing skills
    • Debugging skills
    • Project presentation skills
    • Thesis writing skills

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