Electrical Measurements
Code  Completion  Credits  Range  Language 

B2B38EMB  Z,ZK  4  2P+2L  Czech 
 Vztahy:
 It is not possible to register for the course B2B38EMB if the student is concurrently registered for or has already completed the course A2B38EMB (mutually exclusive courses).
 During a review of study plans, the course A2B38EMB can be substituted for the course B2B38EMB.
 In order to register for the course B2B38EMB, the student must have registered for the required number of courses in the group BEZBM no later than in the same semester.
 It is not possible to register for the course B2B38EMB if the student is concurrently registered for or has previously completed the course A2B38EMB (mutually exclusive courses).
 The requirement for course B2B38EMB can be fulfilled by substitution with the course A2B38EMB.
 Garant předmětu:
 Vladimír Haasz, Jakub Svatoš
 Lecturer:
 Vladimír Haasz, Jakub Svatoš
 Tutor:
 Vladimír Haasz, Jiří Maier, František Mazánek, Jakub Svatoš, Martin Šimůnek, Jakub Turinský
 Supervisor:
 Department of Measurement
 Synopsis:

Methods of measurement of electrical quantities (voltage, current, power, frequency, resistance, capacitance, and inductance) are explained together with principles of their correct application and accuracy estimation. The course is closed by presenting information on several basic electronic measuring instruments and explaining the fundamentals of magnetic measurements and basic information concerning measurement systems.
 Requirements:

Physics 1, Fundamentals of Electric Circuits
 Syllabus of lectures:

1. Introduction  measuring chain, the accuracy of measurement  evaluation of uncertainties of direct and indirect measurements, the error of method and its correction.
2. Instruments for voltage and current measurement.
3. Measuring amplifiers with OA, converters of average and of RMS value, phasesensitive rectifier.
4. Converters for sum and difference measurement, analog multipliers, measurement of frequency and phase shift.
5. AC or DC current and voltage measurement  standards, methods, and instruments
6. Principle of sampling and quantization of analog signal, DACs, and ADCs  principle, and properties.
7. Measurement of resistance  converter R  U; methods for low and high resistance measurement, unbalanced Wheatstone bridge for sensor application.
8. Presentday digital multimeters, common mode rejection, the principle of autocalibration and software calibration.
9. Measurement of power  definition, measuring methods, digital wattmeter; measurement of energy consumption.
10. Measurement of impedance and admittance in LF range  bridges, the principle of digital LCR meters.
11. Measurement of DC and LF magnetic field, measurement of parameters and characteristics of ferromagnetic materials.
12. Analog and digitizing oscilloscopes, passive oscilloscope probe.
13. LF generators of measuring signals.
14. Data acquisition systems  overview and application, GPIB measuring system, DAQ systems based on plugin boards, software for DAQ systems  an overview.
 Syllabus of tutorials:

1. Measurement using laboratory oscilloscope
2. Frequency dependence of AC voltmeters
3. Measurement on the voltage divider
4. Measurement of low currents
5. Measuring amplifiers
6. Influence of the waveform of measured voltage on the meter reading
7. Measuring rectifier
8. Power and power factor measurement for single phase
9. Measurement of frequency and period time using a counter
10. Demonstration of signal sampling
11. Digital storage oscilloscope and arbitrary waveform generator
12. Measurement of low resistances
13. Digital measurement system using GPIB
14. Digital impedance and admittance meter
15. Measurement of amplitude permeability
16. Unbalanced Wheatstone bridge
17. Measurement of the leakage magnetic field
Individual work
 Study Objective:

To acquaint students with methods of measurement of electric, magnetic and selected physical quantities and used instruments including principles of their correct application and accuracy estimation.
 Study materials:

[1] Placko, D.: Fundamentals of Instrumentation and Measurement, ISTE 2007, ISBN 1 905209 39 8
[2] Northrop, R.B.: Introduction to Instrumentation and Measurements, CRC 2005, 0849337739
 Note:
 Further information:
 https://moodle.fel.cvut.cz/courses/B2B38EMB
 Timetable for winter semester 2024/2025:

06:00–08:0008:00–10:0010:00–12:0012:00–14:0014:00–16:0016:00–18:0018:00–20:0020:00–22:0022:00–24:00
Mon Tue Wed Thu Fri  Timetable for summer semester 2024/2025:
 Timetable is not available yet
 The course is a part of the following study plans:

 Electronics and Communications 2018 (compulsory course in the program)