Course
HST - High Voltage Technology
PDF Course Catalog Deutsche Version: HST
Version: 2 | Last Change: 15.09.2019 21:05 | Draft: 0 | Status: vom verantwortlichen Dozent freigegeben
| Long name | High Voltage Technology |
|---|---|
| Approving CModule | HST_BaET |
| Responsible |
Prof. Dr. Christof Humpert
Professor Fakultät IME |
| Organisation and materials | ILU course for the High Voltage Technology course |
| Level | Bachelor |
| Semester in the year | winter semester |
| Duration | Semester |
| Hours in self-study | 60 |
| ECTS | 5 |
| Professors |
Prof. Dr. Christof Humpert
Professor Fakultät IME |
| Requirements | Atomic model and energy-band model Impedances in the AC circuit Complex AC calculation Three-phase system Alternating electric field Dielectric material properties |
| Language | German |
| Separate final exam | Yes |
Literature
Küchler: Hochspannungstechnik (Springer)
Schon: Hochspannungsmesstechnik, Grundlagen - Messgeräte - Messverfahren (Springer)
Heuck, Dettmann, Schulz: Elektrische Energieversorgung (Springer)
Schon: Hochspannungsmesstechnik, Grundlagen - Messgeräte - Messverfahren (Springer)
Heuck, Dettmann, Schulz: Elektrische Energieversorgung (Springer)
Final exam
Details
Written examination, in some cases also oral examination, with the following content:- Free text answers to inquire about the necessary knowledge (e.g., typical breakdown voltages of insulating arrangements or types of high voltage equipment)
- Free-text answers and drawing diagrams to explain mechanisms of discharge development and discharge and arc extinction
- Text exercises for the calculation, dimensioning and analysis of insulation arrangements
Minimum standard
50% of the questions and tasks correctly solvedExam Type
Written examination, in some cases also oral examination, with the following content:- Free text answers to inquire about the necessary knowledge (e.g., typical breakdown voltages of insulating arrangements or types of high voltage equipment)
- Free-text answers and drawing diagrams to explain mechanisms of discharge development and discharge and arc extinction
- Text exercises for the calculation, dimensioning and analysis of insulation arrangements
Learning goals
Knowledge
High voltage grids, types, requirements, function
Electrical stress due to operational and overvoltages, types of overvoltages
High voltage insulating materials
- Gaseous insulating materials: discharge development, air and SF6, Paschen law, spark and arc discharge
- Solid insulating materials: Discharge development, layered arrangements, partial discharges, aging, discharges along insulating surfaces
- Liquid insulating materials: discharge development, oil-paper insulation, liquid nitrogen
- Vacuum insulation: Discharge development, influence of contact materials
Equipment of high voltage technology
- Requirements for equipment, in particular for switchgear and switching devices
- Switchgear: air-insulated switchgear, outdoor switchgear, SF6-insulated switchgear
- Circuit breakers: principles of arc quenching, SF6 circuit breakers, vacuum circuit breakers
- Other equipment: cables, transformers
Electrical stress due to operational and overvoltages, types of overvoltages
High voltage insulating materials
- Gaseous insulating materials: discharge development, air and SF6, Paschen law, spark and arc discharge
- Solid insulating materials: Discharge development, layered arrangements, partial discharges, aging, discharges along insulating surfaces
- Liquid insulating materials: discharge development, oil-paper insulation, liquid nitrogen
- Vacuum insulation: Discharge development, influence of contact materials
Equipment of high voltage technology
- Requirements for equipment, in particular for switchgear and switching devices
- Switchgear: air-insulated switchgear, outdoor switchgear, SF6-insulated switchgear
- Circuit breakers: principles of arc quenching, SF6 circuit breakers, vacuum circuit breakers
- Other equipment: cables, transformers
Skills
Analyze discharge processes in gases, liquids and solids
- Explain and apply dependence on boundary conditions (pressure, material, electrode distance)
- Give reasons for the dependence on degree of inhomogeneity
- Determine the influence of the voltage shape
- Calculate ignition and breakdown voltages
Dimension and design insulating arrangements
- Uniform, weakly non-uniform and strongly non-uniform insulation arrangements in gases
- Arrangements of solids, transverse and longitudinal lamination
- Paper-oil insulation arrangements
Select and dimension switchgear and switchgear
- Select switching principle depending on the required functions
- Select a suitable arc extinguishing principle depending on the voltage shape and height
- Explain and apply dependence on boundary conditions (pressure, material, electrode distance)
- Give reasons for the dependence on degree of inhomogeneity
- Determine the influence of the voltage shape
- Calculate ignition and breakdown voltages
Dimension and design insulating arrangements
- Uniform, weakly non-uniform and strongly non-uniform insulation arrangements in gases
- Arrangements of solids, transverse and longitudinal lamination
- Paper-oil insulation arrangements
Select and dimension switchgear and switchgear
- Select switching principle depending on the required functions
- Select a suitable arc extinguishing principle depending on the voltage shape and height
Expenditure classroom teaching
| Type | Attendance (h/Wk.) |
|---|---|
| Lecture | 2 |
| Exercises (whole course) | 2 |
Special literature
keine/none
Special requirements
none
Accompanying material
Electronic presentation slides for the lecture
Detailed exercise task collection with solutions
Electronic tutorials for self-study, questionnaire and task help sheets
Software tool for simplified calculation of electric field distributions
Detailed exercise task collection with solutions
Electronic tutorials for self-study, questionnaire and task help sheets
Software tool for simplified calculation of electric field distributions
Separate exam
none
Learning goals
Knowledge
Safety in the high voltage laboratory
- Compliance with safety distances
- Behavior in the test field
- Safety devices and systems
Basics of generation and measurement of high voltages
Discharge development in different gases in different electrode arrangements
- Compliance with safety distances
- Behavior in the test field
- Safety devices and systems
Basics of generation and measurement of high voltages
Discharge development in different gases in different electrode arrangements
Skills
Plan high voltage tests and perform them safely
- Analyze, modify and verify experimental setups
- Apply security rules
Use the electric field calculation tool and judge the accuracy of the results
Measure high voltages
- Apply and compare different measurement methods
- Calculate voltage ratio of measuring equipment
Measure ignition and breakdown voltages
- Record and evaluate test results
- Explain results with discharge models
- Justify and explain deviations from the theory
Manage complex tasks in a team
Summarize, evaluate and interpret results in written form
- Analyze, modify and verify experimental setups
- Apply security rules
Use the electric field calculation tool and judge the accuracy of the results
Measure high voltages
- Apply and compare different measurement methods
- Calculate voltage ratio of measuring equipment
Measure ignition and breakdown voltages
- Record and evaluate test results
- Explain results with discharge models
- Justify and explain deviations from the theory
Manage complex tasks in a team
Summarize, evaluate and interpret results in written form
Expenditure classroom teaching
| Type | Attendance (h/Wk.) |
|---|---|
| Exercises (whole course) | 1 |
Special literature
keine/none
Special requirements
none
Accompanying material
Electronic tutorials and task collections for the lab exercises,
Software tool for simplified calculation of electric field distributions
Software tool for simplified calculation of electric field distributions
Separate exam
Exam Type
working on projects assignment with your team e.g. in a lab)Details
Written test to control the preparation of the lab excercisesEvaluation of the preparatory documents (calculation results)
Evaluation of the discussion with the students and of the lab exercises on the basis of a structured protocol
Evaluation of detailed reports of the lab exercises of the team
Minimum standard
70 % of the written test correctly80% of the prepared calculation results correct
80 % of the measurement results correct
80 % of the evaluation performed correctly
80 % of the discussion makes sense
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