Operations of Doubly Fed Induction Generators Applied in Green Energy Systems
18.1 Introduction
18.2 Doubly Fed Induction Generators (DFIG) Systems Operated by Wind Turbines
18.3 Control Scheme of Direct Current Controller
18.4 Simulation Studies of Direct Current Control of DFIG System
18.5 Characteristics of DFIG at Transient and After Transient Situation
18.6 Pulsation of DFIG Parameters with DCC Control Technique
18.7 Effects of 5th and 7th Harmonics of IS and VGRID
18.8 Load Contribution of DFIG in Grid with DCC Control Technique
18.9 Speed Control Scheme of Generators
18.10 DFIG Control Scheme
18.11 General Description About PI Controller Design
18.12 GSC Controller
18.13 Characteristics of DFIG with Wind Speed Variations
18.14 Conclusion
References
23 19 A Developed Large Boosting Factor DC-DC Converter Feasible for Photovoltaic Applications 19.1 Introduction 19.2 Suggested Topology 19.3 Steady State Analyses 19.4 Design Consideration 19.5 Comparison 19.6 Simulation 19.7 Conclusion References
24 20 Photovoltaic-Based Switched-Capacitor Multi-Level Inverters with Self-Voltage Balancing and Step-Up Capabilities 20.1 Introduction 20.2 Suggested First (13-Level) Basic Configuration 20.3 Suggested Second Basic Configuration 20.4 Modulation Method 20.5 Design Consideration of Capacitors 20.6 Efficiency and Losses Analysis 20.7 Simulation Results 20.8 Comparative Analysis 20.9 Conclusions References
25 Index
List of Tables
1 Chapter 3Table 3.1 Photovoltaic parameters achieved for the constructed PSCs using differ...
2 Chapter 4Table 4.1 Summary of metaheuristic algorithms applied to parameter estimation of...Table 4.2 Datasheet of several PV modules as per [42].Table 4.3 Range of parameters to be estimated.Table 4.4 Comparative study of model parameters and error function of SDM using ...Table 4.5 Comparison of model parameters and error function of DDM using differe...Table 4.6 Comparison of model parameters and error function of TDM using differe...
3 Chapter 5Table 5.1 International standards for PV systems.Table 5.2 Power converter interconnected PV system [2].Table 5.3 Solar power present research challenges; opportunities and emerging tr...Table 5.4 A basic comparison of PV cell materials.Table 5.5 Parameters of the single PV panel Synenergy SEPL 100.Table 5.6 A PV generation system based classification and range [2].Table 5.7 Comparison of the MPPT algorithms.
4 Chapter 6Table 6.1 Compression Gain Over the Conventional Method.Table 6.2 Processing Gain Over the Conventional Method.
5 Chapter 7Table 7.1 Summary of the Compression Gains.Table 7.2 Classification accuracies for the four–class PQ Signals recognition (k...Table 7.3 Classification accuracies for the four–class PQ Signals recognition (N...
6 Chapter 8Table 8.1 Tolerance factor of different crystal structure.Table 8.2 Lattice parameters, density, and refinement parameters determined from...Table 8.3 Lattice parameters, density, and refinement parameters determined from...
7 Chapter 11Table 11.1 Details of some popular PV modules under standard test conditions [24...Table 11.2 Parameter ranges.Table 11.3 Comparison of parameters and fitness function for MDDM of Kyocera KC2...Table 11.4 Comparative assessment of parameters and fitness function for MDDM of...Table 11.5 Comparative evaluation of parameters and error function for MDDM of C...Table 11.6 Statistical measures of the error function.Table 11.7 p-values of Kruskal-Wallis test for different PV-models.Table 11.8 Wilcoxon rank-sum test results for different PV models.Table 11.9 Corrected p-values for Wilcoxon test adding Holm-Bonferroni correctio...
8 Chapter 12Table 12.1 Status of switches and diodes in different operational modes.Table 12.2 Comparison among some similar structure with proposed converter.Table 12.3 Parameter values used in simulations.
9 Chapter 14Table 14.1 Ripple current slope for the three-phases A, B, C with different volt...
10 Chapter 16Table 16.1 Daylighting control for Cafeteria 1: dimming up to 30%.Table 16.2 Economic Analysis of Lighting Fixtures Replacement with LED bulbs.Table 16.3 Environmental Analysis of Lighting Fixtures Replacement with LED bulb...Table 16.4 Economic and Environmental Analysis of Solar Panels Installation.
11 Chapter 17Table 17.1 Switching Pattern of Suggested Symmetric Basic Structure (P1).Table 17.2 Standing Voltage on Switches of Symmetric Basic Topology (P1).Table 17.3 Switching Plot of Proposed 2nd Basic Structure (P2).Table 17.4 Standing voltage on semiconductors of P2.Table 17.5 Switching Scheme of Proposed Basic Structure with Trinary DC Sources ...Table 17.6 Standing Voltage and NSV on switches of Suggested Basic Unit with Tri...Table 17.7 Comparison results.Table 17.8 Parameters of the simulation.
12 Chapter
