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Contents

• Scope
  

1. Transient currents in power systems
   • 1.1 Short-circuit transients in power systems
   • 1.2 Three phase short-circuiting current in 550kV system
   • 1.3 Transformer magnetizing current under geomagnetic disturbance
   • Appendix
2. Short-circuit breaking phenomena
   • General
   • 2.1 Parameters dominationg short-circuit current breaking
   • 2.2 Introducing current injection principle for current breaking
   • 2.3 TRVs in power systems
   • 2.4 TRVs in three phase circuits
   • Appendix
3. Charging current switchings
   • General
   • 3.1 Capacitor bank current switching
   • 3.2 Overhead line charging current switching
   • Appendix
4. Inductive current breaking
   • Appendix
5. Modelling transmission lines, cables and transformers
   • General
   • 5.1 Transmission lines
   • 5.2 Cables
   • 5.3 Transformers
   • Appendix
6. Power flows and voltage stabilities in power systems
   • 6.1 Power flows
   • 6.2 Voltage stabilities
   • Appendix
7. Dynamic stability of power system
   • General
   • 7.1 Principle consideration --- Equal-Area Method ---
   • 7.2 Conventional dynamic stability analysis (phasor domain analysis)
   • 7.3 Instantaneous value based analysis (time domain analysis)
8. Inverter/Converter circuit -- 3-phase thyristor rectifier
   • General
   • 8.1 Circuit diagram
   • 8.2 Calcucation results
   • 8.3 Filter design
9. Induction motors driven by PWM-VVVF inverters
   • General
   • 9.1 Cage rotor induction machine --- basic characteristics
   • 9.2 PWM --- VVVF source
   • 9.3 PWM VVVF inverter driven induction machine
10. Arc dynamics -- power system analysing with dynamic arc characteristics
    • General
    • 10.1 Mayr and Cassie arc models
    • 10.2 Analysis of short-line-fault breaking
    • 10.3 Breaking of zero skipping current
    • Appendix