FEI3332 Partial Discharge Physics and Measurement Techniques, PhD Course 8.0 credits
Information for research students about course offerings
The course is given when there is sufficient demand. Please contact the examiner if you are interested in taking the course.
Content and learning outcomes
Course contents
Fundamentals of partial discharges, gaseous ionization, partial discharge current waveform, apparent charge, physical degradation of insulation due to partial discharges, repetition of partial discharges under AC and DC voltage, calibration, physical models of PD and dynamic simulations in FEM, measurement techniques, PD sources in different equipment, cables, generators, transformers, bushings, capacitors, etc, localisation, acoustical methods
Intended learning outcomes
After the course, the student should be able to:
- identify different sources of partial discharges in electrical insulation and describe their specific features
- describe the discharge process starting from a local gas ionization
- develop models of a partial discharge process with different levels of physical information
- compute the repetition patterns of partial discharges from physical models of the PD process
- analyze the information in PD signals on different time-scales
- measure partial discharges with different techniques
- describe how PD measurement circuits are calibrated
- analyze the particular features and severity of partial discharges in different power equipments such as cables, generators, transformers, bushings, capacitors, etc.
- describe how localisation of partial discharges can be made with electrical and acoustical time-of-flight techniques
- relate material degradation to partial discharge activity
- contribute to the research in the area
Literature and preparations
Specific prerequisites
MSc in electrical engineering, physical engineering or similar. FEI3230 and FEI3330 are complementary.
Recommended prerequisites
Equipment
Literature
D. König and Y. Naranya Rao, Partial Discharges in Electrical Powre Apparatus, 1993; Compendia: H.Edin, Partial discharge physics and measurement techniques, containing lecture notes, articles and selected chapters from other books.
Examination and completion
If the course is discontinued, students may request to be examined during the following two academic years.
Grading scale
Examination
Based on recommendation from KTH’s coordinator for disabilities, the examiner will decide how to adapt an examination for students with documented disability.
The examiner may apply another examination format when re-examining individual students.
Other requirements for final grade
Participated (short presentation every time) in 3 out of 4 homework problems. Accepted (80% correctness) solutions to 3 of 4 homework problems. Participated in 3 laboratory exercises and 1 field measurement. 60% correct on home exam.
Opportunity to complete the requirements via supplementary examination
Opportunity to raise an approved grade via renewed examination
Examiner
Ethical approach
- All members of a group are responsible for the group's work.
- In any assessment, every student shall honestly disclose any help received and sources used.
- In an oral assessment, every student shall be able to present and answer questions about the entire assignment and solution.