Course detail

Measurement in electroengineering

FEKT-CMVAAcad. year: 2011/2012

Classification measurement instruments for electrical quantities. Principles correct measure. Analogue measurement devices. Voltage, current, frequency, phase, power, modulation, resistance, capacitance and resonant frequency measurement. Testers. Generators. Automatization in measurement. Magnetic and non-electrical measurements.

Language of instruction

English

Number of ECTS credits

6

Mode of study

Not applicable.

Guarantor

prof. Ing. Karel Bartušek, DrSc.

Department

Department of Theoretical and Experimental Electrical Engineering (UTEE)

Offered to foreign students

Of all faculties

Learning outcomes of the course unit

Experience and knowledge of work of measuring instruments for electric and non electric measurement.

Prerequisites

The subject knowledge on the secondary school education level is requested.

Co-requisites

Not applicable.

Planned learning activities and teaching methods

Teaching methods depend on the type of course unit as specified in the article 7 of BUT Rules for Studies and Examinations.

Assesment methods and criteria linked to learning outcomes

Total number of points 100, including 2 x 5 points in two written tests in laboratory exercises and 10 points in credit test. All laboratory measurements are obligatory - to obtain credit it is necessary to measure all of laboratory exercises including 2 model projects.
Requirements for completion of a course are: to gain credit and to perform an exam. Minimal necessary achieved total mark is 50 points.

Course curriculum

Basic terms. Standards of electrical units. Uncertainty of measurements. Accuracy of analogue instruments. Accuracy of digital instruments. Static characteristics of analogue instruments. Dynamic characteristics of analogue instruments. Moving-coil system, operating torque, voltmeter, ammeter. Moving-coil instruments with rectifier. Ferromagnetic system. Electrodynamic and ferrodynamic system. Shunt, additional resistor, divider. Rectifier, one-wave and full-wave, moving-coil voltmeter with rectifier. Thermocouple. Transformers for measurement. Measuring amplifiers. True RMS to DC converters. Oscilloscopes. Measurement of DC and AC voltage and current. Measurement of one phase and three power. Measurement of frequency, time interval and phase. Measurement of resistance, Ohm's method, digital ohmmeter. Resistance bridges. Measurement of impedance. AC bridges. Sensors of non-electrical quantities.

Work placements

Not applicable.

Aims

To obtain knowledge about principles, how to use and application of basic measurement instruments.

Specification of controlled education, way of implementation and compensation for absences

The content and forms of instruction in the evaluated course are specified by a regulation issued by the lecturer responsible for the course and updated for every academic year.

Recommended optional programme components

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

BARTUŠEK, K.; GESCHEIDTOVÁ, E.; KUBÁSEK, R.; MIKULKA, J.; REZ, J.; STEINBAUER, M. Měření v elektrotechnice. Měření v elelektrotechnice. Brno: VUTIM, 2010. ISBN: 978-80-214-4160- 6. (CS)
BARTUŠEK, K.; GESCHEIDTOVÁ, E.; REZ, J.; STEINBAUER, M. Měření v elektrotechnice - návody k laboratorním cvičením. Brno: Ing. Zdeněk Novotný, CSc., Ondráčkova 105, 628 00 Brno, 2006. s. 1 ( s.)ISBN: 80-214-3265- 9. (CS)

Recommended reading

Not applicable.

Classification of course in study plans

  • Programme EEKR-BC Bachelor's

    branch BC-EST , 2. year of study, winter semester, compulsory
    branch BC-TLI , 2. year of study, winter semester, compulsory

Type of course unit

 

Lecture

26 hours, optionally

Teacher / Lecturer

prof. Ing. Karel Bartušek, DrSc.

Syllabus

Introduction. Principle of correct measurement. Errors and uncertainty.
Analogue measurement mechanism.
Measurement of active electrical quantities, voltmeters.
Recorders and analogue scopes.
Digital scopes and spectral analyzers.
Time, frequency and phase measurement.
Current and power measurement.
Measurement of passive electrical quantities - resistance, capacitance, inductance.
Devices and circuit characteristic measurement.
Magnetic and other non-electric measurement.

Laboratory exercise

39 hours, compulsory

Teacher / Lecturer

prof. Ing. Karel Bartušek, DrSc.

Syllabus

Introduction, basic instruction for students.
Calibration of measurement instrument
Uncertainty of indirect measurement of DC power
Medium resistance measurement
Low resistance measurement
Impedance measurement
Voltage measurement of non-harmonic signals
Power measurement of non-harmonic signals
Automatized measurement of voltage amplifier
Measuring converters based on operational amplifier
Principles of sampling
Principles of DA and AD converters
Static hysteresis loop measurement
Shielding of alternating magnetic field
Operation with analogue and digital scope
Operation with counter
Measurement of inductor impedance by wattmeter
Frequency dependence of inductor impedance
Automatization of measurement