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Module code: E302 |
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4V+2U (6 hours per week) |
7 |
Semester: 3 |
Mandatory course: yes |
Language of instruction:
German |
Assessment:
Examination / Assessed lab reports
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E302 (P211-0015) Electrical Engineering, Bachelor, ASPO 01.10.2005
, semester 3, mandatory course
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90 class hours (= 67.5 clock hours) over a 15-week period. The total student study time is 210 hours (equivalent to 7 ECTS credits). There are therefore 142.5 hours available for class preparation and follow-up work and exam preparation.
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Recommended prerequisites (modules):
E104 Fundamentals of Electrical Engineering I E203 Fundamentals of Electrical Engineering II
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Recommended as prerequisite for:
E406 Power Electronics I E408 Industrial Control Technology
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Module coordinator:
Prof. Dr. Alexander Neidenoff |
Lecturer: Prof. Dr. Alexander Neidenoff
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Learning outcomes:
Students will acquire the skills and techniques required in the area of electrical measurement and instrumentation engineering. The aim of the lectures is to teach students the fundamental ideas, principles, procedures and scope of measurement and instrumentation engineering, and how to apply them. Areas covered include basic and normalized quantities, measurement instruments, circuits and methods, and the measurement of non-electrical quantities. The methods acquired in this module provide a solid grounding for students taking the advanced modules: ‘Electrical Engineering Theory’, ‘Electronics’, ‘Systems Theory’, ‘Sensors and Actuators’, ‘Control Engineering’, ‘Signal and Image Processing’ and ‘Process Automation’. Learning outcomes/skills – Lab course: Students will consolidate and extend the knowledge they acquired in the second semester. They will acquire further knowledge and skills in the area of electrical measurement and instrumentation engineering. By developing measurement strategies, setting up measuring equipment, preparing and performing measurement series, systematically analysing the results, and critically discussing the data and the associated measurement errors, students will acquire the skills and techniques needed to solve measurement problems in electrical engineering.
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Module content:
A – MEASURED QUANTITIES AND UNITS OF MEASUREMENT A-1. Historical overview A-2. Types of measuring signals A-3. Measurement errors A-4. Elements of metrology and classification of measuring systems A-5. Standards in metrology A-6. Historical systems of units B-7. The international (SI) system of units B – MEASURING INSTRUMENTS B-1. Analogue measuring devices B-2. Digital measuring instruments B-3. Analogue and digital oscilloscopes B-4 Logic analysers C – MEASURING CIRCUITS C-2. Balanced electrical measuring circuits C-3. Measuring bridges C-4. Transducers C-5. Integrators C-6. Rectifiers D – MEASUREMENT TECHNIQUES D-0. Introduction D-1. Measuring electrical resistances D-2. Measuring electric power D-3. Measuring magnetic flux D-4. Measuring magnetic induction D-5. Measuring magnetomotive force and magnetic field strength E – MEASURING NON-ELECTRICAL QUANTITIES E-1. Temperature measurements E-2. Light and radiation measurements E-3. Measuring distances, angles and levels E-4. Strain measurements E-5. Measuring force, mass, acceleration, pressure and vacuum F – MEASURING MAGNETIC QUANTITIES F-0. Introduction F-1. Measuring magnetic flux F-2. Measuring magnetic induction F-3. Measuring magnetomotive force and magnetic field strength G – MEASURING NON-ELECTRICAL QUANTITIES G-1. Temperature measurements G-2. Light and radiation measurements G-3. Measuring distances, angles and levels G-4. Strain measurements G-5. Measuring force, mass and acceleration G-6. Measuring pressure and vacuum G-7. Flow measurement G-8. Measuring rotational speed G-9. Specialist measuring techniques Content – LAB COURSE: The lab course units are subject to continuous revision. The units currently offered are: Q1: Frequency-dependent measurement of the real and imaginary component of a complex impedance by voltage comparison. Measuring the quality factor of a coil and the attenuation of a capacitor at different frequencies. Measuring very high resistances using a static measuring technique. W3: Systematic measurement errors in voltage and current measuring circuits. Temperature measurements using PT100 thermocouple elements and a radiation pyrometer. Determining the temperature coefficients of resistances with linear and non-linear characteristics. Measurement of mechanical strain, mechanical stress and torsional moments using strain gauges, a Wheatstone bridge and a self-balancing bridge. M6 Measuring magnetic quantities. Determining the field strength in the air-gap of a magnet. Determining the magnitude and direction of the earth’s magnetic field using a magnetic search coil and flux meter. Measuring magnetic potential differences (change in magnetomotive force) using a Rogowsky coil. F1: Measuring the spectral composition of different signal waveforms with an FFT analyser. Measuring the dependence of an amplifier’s total harmonic distortion on its output power. Determining the sound interference products generated in the sound radiation from a loudspeaker. S1: Measuring different signal transfer functions in the LF and HF regions. Determining the carrier frequency and amplitude of medium-wave radio transmitters using a spectral analyser and a long-wire antenna. Determining the attenuation characteristics of various types of cables as a function of frequency. S2: Determining the effective bandwidth of the tracking filter of a spectral analyser. Measuring the dynamic range and the signal-to-noise ratio of an active network.
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Teaching methods/Media:
Class teaching during the introductory sessions, lab instructions, lecture notes, overhead transparencies, video projector
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Recommended or required reading:
Standard textbooks (available from retail book shops): Becker, Wolf / Bonfig, K.W / Hölng, Klaus. Handbuch Elektrische Messtechnik. Hüthig ISBN 3-7785-2769-X, 957 pages, €76 Felderhoff, Rainer/Freyer Ulrich/Mettke, Manfred: Elektrische und elektronische Messtechnik. Hanser Verlag ISBN 3-446-19227-1, 418 pages, €29.90 Lerch, Reinhard: Elektrische Messtechnik. Springer-Lehrbuch ISBN 3-540-21870-X, 559 pages, €39.95 Mühl, Thomas. Einführung in die elektrische Messtechnik. Teubner ISBN 3-8351-0094-7, 278 pages, €29.90 Pfeiffer, Wolfgang. Elektrische Messtechnik. VDE ISBN 3-8007-2316-6, 352 pages, €26.60 Other textbooks and workbooks (library stock): Cooper, William; Helfrich, Albert: Elektrische Messtechnik – Informationstechnologie. ISBN 3-527-26623-2 Haug, Albert; Haug, Franz: Angewandte Elektrische Messtechnik. Vieweg ISBN 3-528-14567-6 Hoffmann, Jörg (Herausgeber): Taschenbuch der Messtechnik. Fachbuchverlag ISBN 3-446-18834-7, 635 pages Schrüfer, Elmar: Elektrische Messtechnik Studienbücher der technischen Wissenschaften. ISBN 3-446-17955-0 Schwetlick: PC-Messtechnik. ISBN 3-528-04948, 408 pages Stöckl, Melchior; Winterling, Karl H: Elektrische Messtechnik. ISBN 3-519-46405-5 Lecture notes: Neidenoff, Alexander. Elektrische Messtechnik. 1. Teil [Electrical Measurement and Instrumentation Engineering – Part 1], approx. 220 pages Neidenoff, Alexander. Elektrische Messtechnik. 2. Teil [Electrical Measurement and Instrumentation Engineering – Part 2], approx. 250 pages Neidenoff, Alexander. Praktikum Elektrische Messtechnik. 2. Teil [Measurement and Instrumentation Engineering Lab Course – Part 2], approx. 320 pages
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