Ionization Processes

Ionization Processes: A gas in its normal state is almost a perfect insulator. However, when a high voltage is applied between the two electrodes immersed in a gaseous medium, the…

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Collision Process in Gases

Collision Process in Gases: An electrical discharge is normally created from unionised gas by Collision Process in Gases. These processes are mainly gas processes which occur due to the collision…

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Conduction and Breakdown in Gases Articles

Conduction and Breakdown in Gases Articles: Breakdown in Electronegative Gases : It has been recognized that one process that gives high breakdown strength to a gas is the electron attachment…

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Conduction and Breakdown in Pure Liquids

Conduction and Breakdown in Pure Liquids: When low electric fields less than 1 kV/cm are applied, conductivities of 10-18-10-20 mho/cm are obtained. Conduction and Breakdown in Pure Liquids are probably…

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Vacuum Breakdown

Vacuum Breakdown: In the Townsend type of discharge in a gas described earlier, electrons get multiplied due to various ionization processes and an electron avalanche is formed. In a high…

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Streamer Theory of Breakdown in Gases

Streamer Theory of Breakdown in Gases: Townsend mechanism when applied to breakdown at atmospheric pressure was found to have certain drawbacks. Firstly, according to the Townsend theory, current growth occurs…

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Formative Time Lag

Formative Time Lag: Formative Time Lag - In the previous section, the mechanism of spark breakdown is considered as a function of ionization processes under uniform field conditions. But in…

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High Voltage Engineering Articles

High Voltage Engineering Articles: This High Voltage Engineering Articles which includes the following topics: Electric Field Stress Breakdown in Liquid Dielectrics Solid Dielectric Materials and Composites Materials Electric Stress Control…

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