Modeling, Operation, and Analysis of DC Grids

Chapter 1 Introduction

Alejandro Garcés

1.1 The battle of the currents

1.2 DC grids

1.3 Power electronics

1.4 High-power applications

1.5 Low-power applications

References

Part 1 High power applications Chapter 2 HVDC transmission for wind energy

Alejandro Garcés and

Raymundo E. Torres-Olguin

2.1 Wind energy

2.2 Slow-dynamics model of the wind turbine

2.3 HVDC transmission for wind farms

2.4 Stability of HVDC transmission lines

2.5 Summary

References

Chapter 3 DC faults in HVDC

Raymundo E. Torres-Olguin

3.1 Minimum requirements for the protection

System of MTDC

3.2 Impact of DC faults in VSC

3.3 Analysis of the MTDC-HVDC during DC faults

3.4 Detection and identification strategies in MTDC

3.5 Clearance strategies for MTDC

3.6 HVDC circuit breakers

3.7 Fault current limiters

References

Chapter 4 Eigenvalue-based analysis of small-signal dynamics and stability in DC grids

Salvatore D’Arco, Jef Beerten, and Jon Are Suul

4.1 Introduction

4.2 Introduction to state-space modeling of

electrical systems

4.3 Synthesis of system-level state-space

models of HVDC grids

4.4 Examples of sub-systemmodeling

4.5 Practical considerations for modular and

automated generation of system-level

small-signal state-spacemodels

4.6 Example of small-signal analysis

4.7 Conclusion

References

Chapter 5 Inertia emulation with HVDC transmission systems

Santiago Bustamante, Hugo A. Cardona,

and Jorge W. Gonzalez

5.1 Introduction

5.2 Basis for a need of virtual inertia with

VSC HVDC systems

5.3 VSC HVDC control approaches for inertia emulation

5.4 Fast frequency response service by VSC

HVDC systems

5.5 Summary

Acknowledgment

References

Chapter 6 Real-time simulation of a transient model for HVDC cables in SOC-FPGA

Santiago Sanchez-Acevedo

6.1 Introduction

6.2 Frequency domain model formulation

6.3 Cable model with difference equations

6.4 VHDL conceptual design of the HVDC

cablemodel

6.5 Integration and development of the HVDC

cable in VHDL

6.6 Conclusions

References

Chapter 7 Probabilistic analysis in DC grids

Carlos D. Zuluaga R.

7.1 Introduction

7.2 DC power gridmodel

7.3 Probabilistic power flow analysis in DC grids

7.4 Bayesian modeling of DC grids

7.5 Experimental validation

7.6 Conclusions

References

Part 2 Low power applications Chapter 8 Stationary-state analysis of low-voltage DC grids

Oscar Danilo Montoya andWalter Gil-González

8.1 Introduction

8.2 Modeling the grid

8.3 Results

8.4 Conclusions

References

Chapter 9 Stability analysis and hierarchical control of DC power networks

Alberto Rodríguez-Cabero,

Miguel Jiménez Carrizosa,

Javier Roldán-Pérez, and Milan Prodanovic

9.1 Literature review and scope of the chapter

9.2 Power system and control system overview

9.3 Small-signal modeling of the DC microgrid

9.4 Case study and prototype description

9.5 Validation of the model predictive controller

9.6 Validation of the small-signal modelling approach

9.7 Conclusion

References

Chapter 10 Digital control strategies of DC–DC converters in automotive hybrid powertrains

Carlos Restrepo and

Catalina González-Castaño

10.1 Introduction

10.2 Analysis of the DC–DC power converters

10.3 Digital current control strategies

10.4 Simulation results

10.5 Summary

Acknowledgments

References

Chapter 11 Adaptive control for second-order DC–DC converters: PBC approach

11.1 Introduction

11.2 DC–DC convertermodeling

11.3 Passivity-based controlmethod

11.4 Control design for DC–DC converters

11.5 Simulation results

11.6 Conclusions

Acknowledgments

References

Chapter 12 Advances in predictive control of DCmicrogrids

Ariel Villalón, Marco Rivera, and Javier Muñoz

12.1 Introduction

12.2 Predictive control of DCmicrogrids

12.3 Conclusion

Acknowledgment

References

Chapter 13 Modeling and control of DC grids within more-electric aircraft

Cheng Wang, Habibu Hussaini, Fei Gao,

and Tao Yang

13.1 Introduction to more-electric aircraft

13.2 Modeling of aircraft EPS

13.3 Control development

13.4 Summary

References

Index