Thursday, September 1, 2011

High Voltage Engineering Fundamentals (Second edition)

High Voltage Engineering Fundamentals (Second edition)
by E. Kuffel, W.S. Zaengl and J. Kuffel
| Pages 539 | PDF | 4.4 MB |

  • Generation and transmission of electric energy 
  • Voltage stresses 
  • Testing voltages
Generation of high voltages
  • Direct voltages
  • Alternating voltages
  • Impulse voltages
  • Control systems
Measurement of high voltages
  • Peak voltage measurements by spark gaps
  • Electrostatic voltmeters
  • Generating voltmeters and field sensors
  • The measurement of peak voltages
  • Voltage dividing systems and impulse voltage measurements
  • Fast digital transient recorders for impulse measurements
Electrostatic fields and field stress control

  • Electrical field distribution and breakdown strength of insulating materials
  • Fields in homogeneous, isotropic materials
  • Fields in multidielectric, isotropic materials
  • Numerical methods
Electrical breakdown in gases
  • Classical gas laws
  • Ionization and decay processes
  • Cathode processes – secondary effects
  • Transition from non-self-sustained discharges to breakdown
  • The streamer or ‘Kanal’ mechanism of spark
  • The sparking voltage–Paschen’s law
  • Penning effect
  • The breakdown field strength (Eb)
  • Breakdown in non-uniform fields
  • Effect of electron attachment on the breakdown criteria
  • Partial breakdown, corona discharges
  • Polarity effect – influence of space charge
  • Surge breakdown voltage–time lag
Breakdown in solid and liquid dielectrics
  • Breakdown in solids
  • Breakdown in liquids
  • Static electrification in power transformers
Non-destructive insulation test techniques
  • Dynamic properties of dielectrics
  • Dielectric loss and capacitance measurements
  • Partial-discharge measurements
Overvoltages, testing procedures and insulation coordination
  • The lightning mechanism
  • Simulated lightning surges for testing
  • Switching surge test voltage characteristics
  • Laboratory high-voltage testing procedures and statistical treatment of results
  • Weighting of the measured breakdown probabilities
  • Insulation coordination
  • Modern power systems protection devices
Design and testing of external insulation
  • Operation in a contaminated environment
  • Flashover mechanism of polluted insulators under a.c. and d.c.
  • Measurements and tests
  • Mitigation of contamination flashover
  • Design of insulators
  • Testing and specifications
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