The rising demand of electricity and the environmental concern in the recent past necessities the need of renewable energy sources. The Renewable energy sources have gained major importance due to the depletion of the conventional fuels in the future. Among the available renewable sources the Wind energy has gained a significant importance due to its high efficiency and pollution free nature. Large Wind Farms have been set up to meet the energy demand globally. The capacity of the Wind Turbine Generator is being increased gradually from a few KW capacities in the beginning rising up to almost 5 MW in the present. More research has to be carried in this field to make it a dominant source for the rising energy demand. Wind energy potential has to be harnessed on a large scale in places which have high wind density.
Before the actual commissioning of the Wind Farm on site, a wide range of analysis has to be carried in terms of simulation. This is done to understand the behavior of the system under various conditions and preventive actions if any are to be taken. The pre analysis gives us an idea of the selection of devices for higher efficiency and system reliability.
This project is a research work carried in ETAP (Electrical Transient Analyzer Program), which is a Power System Simulation tool. The analysis carried out to demonstrate the capabilities of the SCIG (Squirrel Cage Induction Generator) based Wind Farm include Load Flow analysis, to find out the Power transferred to the Grid in normal condition at rated Wind Speed. Active Power Output at various Wind Speeds, which presents the efficiency of the Wind Farm at various range of wind speeds. Short Circuit analysis which is essential to determine the capability of the Wind Farm to recover from any abnormal conditions. Harmonic analysis to determine the Quality of power being delivered and the Harmonic Filter design to mitigate the Harmonic content if any in excess.Reactive Power analysis which is important considering the stability of the system and a suitable Capacitor design for reactive Power compensation.
The WTG (Wind Turbine Generator) considered was a Type 2 Variable speed SCIG of 2.1 MW assigned in ETAP. The Wind Farm consisted of a total of 20 WTG’s with a total capacity of 42 MW. The results obtained were compared with the theoretical values and were found to be the same. The analysis performed presented a clear indication of the future of Wind Energy in SCIG based Wind Farms.
Table of Contents
- CHAPTER 1
- Introduction to Wind Energy Scenario
- Power Generation in India
- Wind Power in India
- Types of Wind Turbines
- Horizontal Axis Wind Turbine
- Vertical Axis Wind Turbine
- Types of Wind Turbine Generator
- Squirrel Cage Induction Generator
- Permanent Magnet Synchronous Generator
- Doubly Fed Induction Generator
- CHAPTER 2
- Literature Review
- Problem Identification
- Grid Codes
- Objectives
- CHAPTER 3
- Modeling of Squirrel Cage Induction Generator
- CHAPTER 4
- Simulation and Analysis
- Overview of the Wind Farm
- Load Flow Analysis
- Active Power at Various Wind Speeds
- Short Circuit Analysis
- Real and Reactive Power analysis during Fault Conditions
- 3-Phase Short Circuit fault
- Single L-G fault
- Real Power Analysis during Single L-G fault
- Reactive Power Analysis during Single L-G fault
- Harmonic Analysis
- Harmonic Analysis without Harmonic Filter
- Harmonic Analysis after Filter Implementation
- Reactive Power Analysis
- A General Comparison of Simulation results obtained between SCIG and DFIG on same Wind Farm
- Simulation and Analysis
- Chapter 5
- Conclusion
- Future Scope
Objectives and Key Themes
The objective of this research work is to analyze the capabilities of a Squirrel Cage Induction Generator (SCIG) based wind farm using the Electrical Transient Analyzer Program (ETAP) simulation tool. The analysis aims to demonstrate the behavior of the wind farm under different operating conditions, including normal, fault, and harmonic scenarios. The project focuses on understanding the performance of the wind farm and identifying potential areas for improvement in terms of efficiency and reliability.
- Modeling and simulation of a SCIG-based wind farm using ETAP software
- Analysis of wind farm performance under various operating conditions, including load flow, short circuit, and harmonic scenarios
- Evaluation of the impact of grid codes on wind farm operation
- Assessment of the efficiency and reliability of the SCIG-based wind farm system
- Exploration of potential solutions for improving the overall performance of the wind farm
Chapter Summaries
- Chapter 1: This chapter introduces the concept of wind energy and its importance in addressing the growing demand for electricity while minimizing environmental impact. It discusses the current scenario of power generation in India, highlighting the increasing significance of wind energy in the country. The chapter also delves into the different types of wind turbines and wind turbine generators, including horizontal axis, vertical axis, squirrel cage induction generator (SCIG), permanent magnet synchronous generator (PMSG), and doubly fed induction generator (DFIG).
- Chapter 2: This chapter provides a comprehensive review of existing literature related to wind energy systems, focusing on SCIG-based wind farms. It identifies the challenges and opportunities associated with integrating wind farms into the electrical grid, including grid codes and their impact on wind farm operation. This chapter also outlines the specific objectives of the research project.
- Chapter 3: This chapter focuses on the modeling of a SCIG-based wind farm within the ETAP simulation environment. It details the process of representing the components of the wind farm, including the wind turbine, the generator, the control system, and the electrical grid connection.
- Chapter 4: This chapter presents the results of the simulation and analysis performed using ETAP. It examines the wind farm's behavior under different operating conditions, including load flow, short circuit, and harmonic scenarios. The chapter analyzes the power output, voltage stability, and harmonic content of the wind farm, exploring the impact of various factors such as wind speed, grid connection, and protective devices.
Keywords
This research project focuses on the analysis of a SCIG-based wind farm, utilizing ETAP software for simulation and analysis. Key concepts include wind energy, power generation, wind turbine, squirrel cage induction generator (SCIG), load flow analysis, short circuit analysis, harmonic analysis, reactive power, grid codes, and wind farm integration.
- Citation du texte
- Shripad Desai (Auteur), 2018, Wind Power and Analysis of Squirrel Cage Induction Generator Based Wind Farm, Munich, GRIN Verlag, https://www.grin.com/document/437096
