High Voltage Engineering Fundamentals (Second edition)
by E. Kuffel, W.S. Zaengl and J. Kuffel
| Pages 539 | PDF | 4.4 MB |
Content :
Introduction
Generation and transmission of electric energy Introduction
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
Weightingof 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
OR
+2012.png)
