Simulation of Power System with Renewables

SIMULATION OF POWER SYSTEM WITH RENEWABLES

SIMULATION OF POWER SYSTEM WITH RENEWABLES

Copyright

Dedication

Contents

About the authors

Preface

One - Introduction

1.1 Power system – history of development (Kundur)

1.2 Power system frequency

1.3 Phasors in AC systems

1.4 Per unit systems

1.5 Steady state in power system

1.6 Stability issues in power system

1.7 Mathematical representation of power system

1.8 Simulation in Matlab

1.9 Assumptions

1.10 Summary

Further reading

Two - Transmission network modelling

2.1 Admittance matrix

2.2 Example

2.3 Power flow computation

2.4 Formulation of jacobian

2.5 Example of three-bus system

2.6 Power flow implementation

2.7 Study case: four-machine system

2.8 Exercise

2.9 Exercise

2.10 Including the network in the Simulink time domain simulation

2.11 Conclusions

References

Three - Synchronous machine modelling

3.1 Synchronous machine introduction

3.2 Synchronous machine operation

3.3 Reference frame

3.4 Dynamic equations of a synchronous machine in d-q reference frame

List of variables:

3.5 Initialization of the dynamic model

3.6 Simulink modelling

3.7 Study case: single machine infinite bus test system time domain results

3.8 Dynamic models of synchronous machines

3.9 Simulation model of the two-area test system

3.9.1 Simulink block representing multiple synchronous machines

References

Four - Analysis and controller design ideas

4.1 System representations and dynamic response

4.1.1 Stability of the linear system

4.1.1.1 Exercise 4.1

4.2 Power system model for analysis

4.3 Linearization and state space representation

4.4 Eigenvalues, eigenvectors and participation factor

4.4.1 Exercise 4.2

4.5 Transfer function and ZPK representation

4.6 Root locus, Bode plot, Nichols plot and Nyquist plot

4.7 Analysis of stable system

4.7.1 Root locus plots

4.7.2 Bode, Nichols and Nyquist plots

4.8 Analysis of unstable system

4.8.1 Linear system analyzer

4.9 System response

4.10 Controller design

4.10.1 PI controller

4.10.2 Control System Designer

4.10.3 Pole placement

4.10.4 Linear Quadratic Regulator controller

4.11 Conclusions

Five - Load modelling

5.1 Types of loads

5.2 Descriptions, key equations and integration of ZIP model

5.3 Study case: four-machine system using different load models

5.4 Initial condition block implementation

5.5 Comparison of results

5.6 Conclusion of ZIP load modelling

Acknowledgement

References

Six - Wind turbine generator modelling

6.1 Introduction

6.2 Building blocks of DFIG-SMIB simulation model

6.2.1 Network

6.2.2 Wind turbine model

6.2.2.1 Wind turbine aerodynamic modelling

6.2.2.1.1 Simulink representation of turbine model

6.2.2.2 Turbine generator mechanical drive train model

6.1.3 Doubly fed induction generator

6.1.4 LCL filter

6.1.5 Back-to-back capacitor

6.1.6 Machine-side converter controller

6.1.7 Grid-side converter controller

6.3 Single machine infinite bus model integration and testing

6.3.1 Dynamic simulation

6.4 Initialization of SMIB-DFIG system

6.5 Further modifications in DFIG-WTG model

6.6 Permanent magnet synchronous generator modelling

6.6.1 Turbine model

6.6.2 Permanent magnet synchronous generator model

6.6.3 Machine-side converter controller

6.6.4 Back-to-back capacitor, GSC controller, LCL filter and network

6.7 Initialization of PMSG-SMIB system

6.8 Modal analysis and dynamic simulation results

6.9 Simulation of wind farm having DFIG- and PMSG-type WTGs

6.9.1 Network representation

6.9.2 Wind farm simulink model

References

Seven - Modelling of solar generation

7.1 Description of solar generation

7.2 Modelling solar power generators

7.3 Western Electricity Coordinating Council generic model

7.4 Case study: photovoltaic system model

References

Eight - Modelling of flexible AC transmission system devices

8.1 Introduction

8.2 Flexible AC transmission system devices

8.2.1 Applications

8.2.1.1 Example system using SVC and TCSC

8.3 Static VAR Compensator

8.3.1 Modelling of static VAR compensator

8.4 Thyristor controlled series compensation

8.4.1 Modelling of thyristor controlled series compensator

8.5 Implementation of SVC and TCSC models

8.5.1 Power flow solution considering SVC and TCSC

8.5.1.1 Representation of static VAR compensator

8.5.1.2 Representation of thyristor controlled series compensator

References

Nine - Case study of interarea oscillations in power system

9.1 Introduction

9.2 Analysis of two-area system

9.2.1 Participation factor analysis

9.3 Two-area system with a thyristor controlled series compensator

9.3.1 Simulink model

9.3.1.1 Feedback signal selection for power oscillation damping

9.3.1.2 Linearization and calculation of residue

9.3.1.3 Implementation of power oscillation damping

9.3.1.4 Controller performance

9.4 Two-area system with a static VAR compensator

9.5 Two-area system with wind turbines

9.5.1 Building Simulink model

9.5.2 Initialization program

9.5.3 Simulation results

9.6 Conclusions

References

Index

A

B

C

D

E

F

G

H

I

J

L

M

N

P

R

S

T

U

V

W

Z