Electrical Measurements and Instrumentation (A,B,C)

Předmět je náhradou za:

Electrical Measurements and Instrumentation (E38EM)

Přednášející:

Cvičící:

Předmět zajišťuje:

katedra měření

Anotace:

Electrical and electronic measuring instruments, digital instruments,

methods of measurement of electrical quantities (voltage, current, power,

frequency, resistance, capacitance and inductance), basic magnetic

measurements, basics of measurement systems, basics of sensors for

measurement of selected non-electrical quantities.

Požadavky:

Osnova přednášek:

Ref. [1] will be referred to during the lectures.

1. Introduction, accuracy of measurement, uncertainty estimation

2. Analogue meters. PMMC meter. Iron vane and electrodynamic meters

3. Measuring amplifiers with OA. Measurement of sum and difference.

Converters of average value. Integrating amplifier

4. Frequency and phase shift measurements, measurement of revolutions

5. DC and AC current and voltage measurements - methods and instrumentation,

RMS converters, temperature measurement using thermocouples

6. DACs and ADCs

7. Measurement of resistance - methods, instruments, converters

8. Basics of R sensors, digital multimeters

9. Measurement of power and energy, digital wattmeters, analogue multipliers

10. Measurement of impedance and admittance (L-R, C-G) - methods and

instruments, basics of L and C sensors

11. Measurement of B, H, and magnetising characteristics of ferromagnetic

materials

12. Analogue and digitising oscilloscopes, sampling methods of measurement

13. Instruments controlled by microcontrollers. Generators of measuring

signals, optoelectronic sensors

14. Data acquisition systems

Osnova cvičení:

1. Introduction, safety in lab. Analogue oscilloscope - basic control and

measurement

2. Frequency dependence of AC voltmeters. Voltage divider

3. Measuring amplifiers (low DC voltage). Low currents measurement

4. Influence of form factor on meter readings. Measuring rectifier

5. One-phase active power measurement. Frequency measurement

6. Principle of signal sampling. Test I

7. Digitising oscilloscope, application of passive probe. Measurement of low

resistances

8. IEEE 488 measurement system. Test II

9. Measurement of leakage flux of power transformer

10. Imballanced Wheatstone bridge. Test III

11. Digital impedance and admitance meter

12. Amplitude permeability measurement. Test IV

13. Solving individual measurement tasks

14. Solving individual measurement tasks

Cíle studia:

Studijní materiály:

[1] Haasz, V., Sedláček, M.: Electrical Measurements, Publishing House of CTU in Prague, Prague 2006

[2] Sedláček, M., Holub, J., Hejtmanová, D.: Laboratory Exercises in Electrical Measurements. Publ. House ČVUT, Prague 2005

Poznámka:

pouze výuka v angličtině

Další informace:

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