Degradation Processes of Electrical Systems

Lectures:
Degradation effects applied on electric and electronic components and products.
Common model of aging of electric functional element. Basic of failures phasics.
Enviroment, types, classification.
Factors of enviroment surrounding electric devices.
Moisture devaluation.
Davaluation with dusting.
Thermal devaluation.

Electrical devaluation.
Devaluation of metal parts of electric devices.
Enviromental effects on organic instulation and constructional parts.
Attack on inorganic insulation and constructional materials.
Calculations and modelling of aging. Testing of influence of aggresive enviroment.
Protection of electric and electronic apparatus and devices against enviroment attack.
Electric products disposal and ecological waste processing.


Laboratories:
Familirization with laboratory practice, safety training, mark condition
Methods of measurement of thermo-climatic dates
Measurement of insulance of insulators
Measurement of breakdown voltage of insulators
Measurement of temperature relation of condenser capacity
Measurement of magnetic properties of metal materials
Measurement of transformer oil
Lifetime calculation of insulating materials
Measurement of semiconductor material resistance

Calculations
Measurement of magnetic properties of laminations for electrotechnics after mechanical stress
Impact of economy by products devaluation
Disposal of scraped product
Test