Objectives: |
1) To know why we use high voltage (HV), HV types, and HV applications,
2) To compute electrostatic fields for all type electrode systems,
3) To design electrode system and HV device,
4) To understand discharge phenomena, to prevent them or to use them,
5) To know origins of overvoltage and protection against them,
6) To introduce insulation coordination concept,
7) To know HV parameters, generation and measurement principles, and methods,
8) To know generation and measurement of HV alternating voltages,
9) To know generation and measurement of HV direct voltages,
10) To know generation and measurement of HV impulse voltages,
11) To evaluate and to interpret test results. |
Content: |
1) Electrical Field Analysis
Static electric field concept, basic electrode systems, experimental and computational methods for field analysis
2) Discharge phenomena
electrical breakdown in gasses, Townsend’s breakdown criterion, Paschen’s law, Streamer or “Canal” mechanisms,
breakdown in non-uniform field and corona,
electrical breakdown of dielectric liquids and solids
3) Experimental studies
Insulators and materials, dielectric measurements,
generation and measurement of high AC, DC and impulse voltages and currents,
electrostatic generators, testing transformers and series resonant circuits, impulse voltage and current generator circuits, spherical and uniform field gaps. |