450-2018/04 – Electrical Measurements (EM)

Gurantor departmentDepartment of Cybernetics and Biomedical EngineeringCredits6
Subject guarantorIng. Richard Velička, Ph.D.Subject version guarantorIng. Richard Velička, Ph.D.
Study levelundergraduate or graduateRequirementCompulsory
Year1Semestersummer
Study languageEnglish
Year of introduction2019/2020Year of cancellation
Intended for the facultiesFEIIntended for study typesBachelor
Instruction secured by
LoginNameTuitorTeacher giving lectures
BIL45 prof. Ing. Petr Bilík, Ph.D.
VAL47 Ing. David Vala, Ph.D.
VEL25 Ing. Richard Velička, Ph.D.
Z1I40 doc. Ing. Jan Žídek, CSc.
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Graded credit 2+3
Part-time Graded credit 0+18

Subject aims expressed by acquired skills and competences

Students will learn to use electrical measuring devices, measure basic electrical quantities and passive elements. An integral part of the student's competence is also the knowledge of calculating the deviation and uncertainty of the measurement result.

Teaching methods

Lectures
Individual consultations
Experimental work in labs
Project work
Teaching by an expert (lecture or tutorial)

Summary

Students will learn to use all types of measuring devices, from analog to digital to virtual, which they will also try to create. They will be able to measure basic electrical quantities and passive elements using various methods. An integral part of every measurement is also knowledge of the calculation of deviation (error), the uncertainty of the measurement result.

Compulsory literature:

1. VELICKA, R., BICOVSKA, B., ONDRACZKA, T.: Methods and Measurement in Electrical Engineering, VSB-TU Ostrava, INTERREG V-A, PROJECT REG. NUMBER:CZ.11.3.119/0.0/0.0/16_022/0001155, Ostrava 2021. 86 p. [On-Line]: http://lms.vsb.cz. 2. HAASZ, V,. SEDLÁČEK, M.: Electrical measurements. ČVUT, Praha 2006. ISBN 80-01-03375-9. 3. SEDLÁČEK, M., HOLUB, J., HEJTMANOVÁ, D.: Laboratory exercises in electrical measurements. ČVUT, Praha 2011. ISBN 978-80-01-04883-2.

Recommended literature:

1. WEBSTER, John G., ed. Electrical measurement, signal processing, and displays. Boca Raton: CRC Press, c2004. ISBN 0-8493-1733-9. 2. GRABE, M.: Measurement Uncertainties in Science and Technology, Springer 2005, ISBN 978-3-540-27319-6.

Way of continuous check of knowledge in the course of semester

Verification of study: Regular handover of protocols and writing of partial tests. Conditions for credit: Full attendance in laboratory training including the practical test measurement. It is necessary to get at least 51 assessing points.

E-learning

Study according to the materials in Methods and measurements in electrical engineering listed in the LMS system (https://lms.vsb.cz).

Other requirements

There are not defined other requirements for student.

Prerequisities

Subject has no prerequisities.

Co-requisities

Subject has no co-requisities.

Subject syllabus:

Lectures: 1.Accuracy and error of measurement. Errors of analog and digital instruments, errors of direct as well as indirect measurements, random errors, total measurement error. Measurement uncertainty. No harmonic waveforms of electrical quantities. Representation of periodical waveforms using Fourier transformation; form, crest and distortion factors. 2.Measuring converters (MTI, MTU). 3.Analog measuring instruments. 4.Digital measuring instruments. 5.Analog oscilloscopes. 6.Digital oscilloscopes and recorders. 7.Frequency analyzers. 8.Virtual measuring instruments, GPIB, RS 232, USB, Ethernet, VXI/ PXI measurement systems, development programming environments. 9.Methods for measuring active electrical quantities (voltage, current, power, frequency, period, time intervals). 10.Methods for measuring passive electrical quantities (resistor, inductance, capacitance, dissipation factor, quality factor, impedance). 11.Magnetic measurements. Measuring of ferromagnetic characteristics, display of hysteresis loops. 12. Disturbing effects and their limitation, EMC. Laboratories: -Initial theoretical training, protocol requirements, safety in the laboratory. - 1. Measuring of voltage and current. - 2. Measuring of passive components. - 3. Impact of frequency and waveform shape on measuring instrument's indication. - 4. Analog oscilloscopes. - 5. Measuring of single-phase power. - 6. Measuring of powers across unbalanced three-phase load. - 7. Measuring of frequency, period and phase shift. - 8. Measurement of characteristics of ferromagnetic materials. - 9. Virtual instrumentation – virtual measuring instruments - 10. Digital oscilloscope and its control using GPIB bus. - Practical test measurement. Projects: 10 measurement reports - theme depends on laboratory exercises. Tests: 10 test questions - 1 in each exercise, according to the measured task. The questions are tied to the measurement of the task.

Conditions for subject completion

Full-time form (validity from: 2019/2020 Winter semester)
Task nameType of taskMax. number of points
(act. for subtasks)
Min. number of pointsMax. počet pokusů
Graded credit Graded credit 100  51 3
Mandatory attendence participation: Continuous submission of protocols and writing tests. The submitted protocol is worth a maximum of 5 points, the test for the measured task is worth 1 point. A total of 60 points (10 tasks) can be obtained for measured and processed tasks. The remaining 40 points are for separate measurements, which are usually evaluated on a scale of 8 points. In the distance learning mode, everything will be replaced by activities in the LMS.

Show history

Conditions for subject completion and attendance at the exercises within ISP: Continuous submission of protocols and writing tests. The submitted protocol is worth a maximum of 5 points, the test for the measured task is worth 1 point. A total of 60 points (10 tasks) can be obtained for measured and processed tasks. The remaining 40 points are for separate measurements, which are usually evaluated on a scale of 8 points. In the distance learning mode, everything will be replaced by activities in the LMS.

Show history

Occurrence in study plans

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Occurrence in special blocks

Block nameAcademic yearForm of studyStudy language YearWSType of blockBlock owner

Assessment of instruction



2022/2023 Summer