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Power electronic systems

Power electronic systems

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The incorporation of power electronics in EMT simulation is discussed in this book chapter with reference to the EMTDC version but appropriate references are made, as required, to other EMTP based algorithms. This is partly due to the fact that the EMTDC program was specifically developed for the simulation of HVDC transmission and partly to the authors involvement in the development of some of its recent components. This chapter also describes the state variable implementation of ac/dc converters and systems, which offers some advantages over the EMTP solution, as well as a hybrid algorithm involving both the state variable and EMTP methods.

Chapter Contents:

  • 9.1 Introduction
  • 9.1 Introduction
  • 9.2 Valve representation in EMTDC
  • 9.2 Valve representation in EMTDC
  • 9.3 Placement and location of switching instants
  • 9.3 Placement and location of switching instants
  • 9.4 Spikes and numerical oscillations (chatter)
  • 9.4 Spikes and numerical oscillations (chatter)
  • 9.4.1 Interpolation and chatter removal
  • 9.4.1 Interpolation and chatter removal
  • 9.5 HVDC converters
  • 9.5 HVDC converters
  • 9.6 Example of HVDC simulation
  • 9.6 Example of HVDC simulation
  • 9.7 FACTS devices
  • 9.7 FACTS devices
  • 9.7.1 The static VAr compensator
  • 9.7.1 The static VAr compensator
  • 9.7.2 The static compensator (STATCOM)
  • 9.7.2 The static compensator (STATCOM)
  • 9.8 State variable models
  • 9.8 State variable models
  • 9.8.1 EMTDC/TCS interface implementation
  • 9.8.1 EMTDC/TCS interface implementation
  • 9.8.2 Control system representation
  • 9.8.2 Control system representation
  • 9.9 Summary
  • 9.9 Summary
  • References
  • References

Inspec keywords: HVDC power convertors; HVDC power transmission; radiofrequency interference; power system transients; AC-DC power convertors; power system simulation

Other keywords: power electronic systems; state variable implementation; hybrid algorithm; electromagnetic transient programs; EMTDC version; HVDC transmission; ac/dc converters; EMTP algorithm; EMT simulation

Subjects: Power systems; Electromagnetic compatibility and interference; d.c. transmission

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