Course Manual EMV
Electrical safety and EMC
PDF Course Catalog Deutsche Version: EMV
Version: 3 | Last Change: 15.09.2019 20:19 | Draft: 0 | Status: vom verantwortlichen Dozent freigegeben
| Long name | Electrical safety and EMC |
|---|---|
| Approving CModule | EMV_BaET |
| Responsible |
Prof. Dr. Christof Humpert
Professor Fakultät IME |
| Valid from | summer semester 2023 |
| Level | Bachelor |
| Semester in the year | summer semester |
| Duration | Semester |
| Hours in self-study | 60 |
| ECTS | 5 |
| Professors |
Prof. Dr. Christof Humpert
Professor Fakultät IME |
| Requirements | Fundamentals of electrical engineering - Impedances in the AC circuit - Complex AC calculation - Three-phase system - Electric and magnetic alternating field - Dielectric and magnetic material properties |
| Language | German |
| Separate final exam | Yes |
Literature
| Schwab, Kürner; Elektromagnetische Verträglichkeit (Springer) |
| Gonschorek; EMV für Geräteentwickler und Systemintegratoren (Springer) |
| Wolfsperger; Elektromagnetische Schirmung (Springer) |
Final exam
| Details |
Written examination, in some cases also oral examination, with the following elements: - Free text answers to inquire about the necessary knowledge (hazards, typical measures, electromagnetic interference) - Text exercises for the calculation of fault currents, touch voltages, interference voltages in known and new systems - Text exercises for the determination and analysis of interference spectra - Text exercises for the analysis of systems and selection and dimensioning of protection and interference suppression measures |
|---|---|
| Minimum standard | 50 % of the questions and tasks correctly solved |
| Exam Type | EN Klausur |
Learning goals
| Goal type | Description |
|---|---|
| Knowledge | Electrical safety - Effects of electrical current on the human body - Network configurations and possible touch voltages - Grounding, earth electrode, gradient area, step voltage - Protective measures, protective insulation, protective equipotential bonding, safety extra-low voltage, protective separation, protective earthing, residual current circuit protection - Protective devices, fuses, line safety switch, residual current devices Electromagnetic compatibility - Definitions, basic influencing model, level definition - Description in time and frequency domain, Fourier series, Fourier transform - sources of interference, differential-mode and common-mode interference, narrow-band interference sources, intermittent broadband interference sources, transient sources of interference (ESD, LEMP, SEMP, NEMP) - Coupling mechanisms, galvanic coupling, capacitive coupling, inductive coupling, radiation coupling - Interference suppression measures, electromagnetic screens, filters, lightning protection, surge arresters |
| Skills | Use protective measures - Know hazards due to electric current - Calculate touch voltages depending on the network configuration and the type of fault - Select suitable protective measures according to standard - Dimension protective measures Analyze and evaluate interference spectra - Assign interference spectra to typical sources of interference - Calculate the interference spectrum using the Fourier analysis - Determine the interference spectrum with simplified methods - Reconstruct the time domain function from the interference spectrum - Evaluate the effect of interference suppression measures on the basis of the interference spectrum - Evaluate the influence on interference sink Select and dimension interference suppression measures - Select appropriate measures depending on the coupling mechanism - Apply measures for differential-mode and common-mode interferences - Select measures depending on the interference spectrum - Dimension external lightning protection measures - Calculate surge voltages in the case of lightning strikes - Calculate the influence of filters |
Expenditure classroom teaching
| Type | Attendance (h/Wk.) |
|---|---|
| Lecture | 2 |
| Exercises (whole course) | 2 |
| Exercises (shared course) | 0 |
| Tutorial (voluntary) | 0 |
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 |
|---|---|
| Separate exam | No |
Learning goals
| Goal type | Description |
|---|---|
| Knowledge | Effects and limitation of overvoltages, types of surge arresters Properties and influence of electrostatic discharges Frequency spectra of conducted interference voltages Basics of the normative specifications |
| Skills | Understand and implement complex texts and standards Use calculation tools for EMC analysis Plan EMC tests, analyze and modify test setups and compare them with normative specifications Investigate sources of interference experimentally, measure interference spectra, compare with calculation results Analyze and compare the effect of interference suppression measures and explain differences Manage complex tasks in a team Summarize, evaluate and interpret results in written form |
Expenditure classroom teaching
| Type | Attendance (h/Wk.) |
|---|---|
| Practical training | 1 |
| Tutorial (voluntary) | 0 |
Special requirements
| none |
| Accompanying material |
Electronic tutorials and task collections for the lab exercises Documents from standards |
|---|---|
| Separate exam | Yes |
Separate exam
| Exam Type | EN Projektaufgabe im Team bearbeiten (z.B. im Praktikum) |
|---|---|
| Details | Written test to control the preparation of the lab excercises Observation of the lab exercises perfomed independent and feedback Evaluation of detailed reports of the lab exercises |
| Minimum standard | 70 % of the written test correctly 80 % of the measurement results correct 80 % of the evaluation performed correctly 80 % of the discussion makes sense |
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