Thursday, August 4, 2011

High Voltage Engineering Fundamentals

High Voltage Engineering Fundamentals
by E. Kuffel, W.S. Zaengl, J. Kuffel
| Pages 539 | PDF | 4.5 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 
  • Uniform field gaps 
  • resistor voltage
  • Generating voltmeters and field sensors 
  • The measurement of peak voltages 
  • Voltage dividing systems and impulse voltage 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.
  • Penning effect
  • The breakdown field strength (Eb)
  • Breakdown in non-uniform fields
Breakdown in solid and liquid dielectrics
  • Breakdown in solids
  • Breakdown in liquids

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
  • Insulation coordination
  • Modern power systems protection devices

Design and testing of external insulation
  • Operation in a contaminated environment
  • Measurements and tests
  • Mitigation of contamination flashover
  • Design of insulators
  • Testing and specifications
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