Electrical Measurements

Topics of lectures (the order of lectures may change, there may be several topics in one lecture):

• INTRODUCTION, GRADUATION CONDITIONS, CREATION OF PROTOCOL
• MEASUREMENT ACCURACY
Method error (deviation).
Error (deviation) of the measuring device
Errors of digital measuring devices
Indirect measurement
Errors due to interference
Measurement uncertainty
• MEASUREMENT OF PASSIVE ELEMENTS
Methods of measuring passive quantities
Resistance measurement
Impedance measurement
Measurement of parameters of coils, chokes
Resonance method of measuring inductance and capacity
Digital LCR meters, RLC bridges
Measuring small resistances
Measuring large resistances
• MEASURING INSTRUMENTS
Pointing device
Types of signals
Measurement of effective value with analog measuring devices
Measurement of effective value with digital measuring devices
Measuring transducers
Measuring device of devices
Properties of measuring devices
• OSCILLOSCOPES
Analog oscilloscope
Digital oscilloscope
Measurement of active quantities with an oscilloscope
• SINGLE PHASE POWER
Performance measurement in general
Direct current power measurement
Measurement of single-phase power
• THREE-PHASE NETWORK (topic for MEO subject is optional)
Measurement of active power
Reactive power measurement
Phasor diagram of voltages and currents
• FREQUENCY AND PHASE SHIFT
Frequency measurement
Phase shift measurement
Universal counter
Frequency analyzer
Filters
• CHARACTERISTICS OF FERROMAGNETIC MATERIALS (topic for MEO subject is optional)
Magnetic quantities
Measurement of characteristics of ferromagnetic materials
• VIRTUAL INSTRUMENTATION
Virtual measuring instrument
Measuring converter (A/D – Analog-to-digital converter)
Measurement card
VXI bus
• DEVICE COMMUNICATION
Communication interface
Communication via GPIB
• EXTERNAL EXPERT LECTURE - electricity transmission, quality, measurement


Labs:
- Introductory theoretical preparation, safety in the laboratory,
- Task No. 1 – Measurement accuracy,
- Task No. 2 – Passive elements,
- Task No. 3 – Properties of measuring devices,
- Task No. 4 – Oscilloscope,
- Task No. 5 – Single-phase power,
- Task No. 6 – Three-phase network,
- Task No. 7 – Frequency and phase shift,
- Task No. 8 – Ferromagnetic materials,
- Task No. 9 – Virtual Instrumentation,
- Task No. 10 – Digital oscilloscope and communication,
- Independent measurement (mandatory task).

Projects:
10 protocols from measurements according to laboratory exercises.

Tests:
10 test questions - in each exercise 1.