ELECTRIC MACHINES, POWER ELECTRONICS AND DRIVINGS

ELECTRIC MACHINES, POWER ELECTRONICS and DRIVINGS(96h)

Responsible lecturers:
prof dr hab. eng. Zbigniew Hanzelka*, dr Czesław Grzbiela**,
dr T. Dybowski, dr A Stobiecki, dr T. Siostrzonek

1. Rotating Electrical Machines.
1.1 Direct-current (DC) generators.
1.2 Direct-Current Motors
1.3 Alternating-Current (AC) generators
1.4 AC Machines. Rotating magnetic field

2. Transformers
2.1 Principles of operation of the transformer. Phasor diagram
2.2 Measurements in the no-load and short-circuit operation
2.3 Power and efficiency
2.4 Three-phase transformers
2.5 Parallel operation of the transformers
2.6 Configuration (connection) of the transformers
2.7 Special-application transformers

3. Power-electronics
3.1 Not-controlled valves – diodes
3.2 Controlled switching-on valves – thyristors
3.3 Fully controlled valves
3.4 AC-to-DC voltage converters
3.5 DC-to-DC converters
3.6 DC-to-AC converters
3.7 AC-to-AC converters
3.8 Protection of the semiconductors devices

4. Principles of electrical drives
4.1 Equations of the movement
4.2 Reduction of inertias
4.3 Determining of the startup time, of the driving system
4.4 Heating of electrical machines
4.5 Types of operation of electrical machines
4.6 Selection of the power of the electrical machine, of the drive
4.7 Selection of the motor for driving the working machine
4.8 Ward – Leonard system
4.9 Collaboration of the drive with flywheel inertia
4.10 Driving systems with power electronics
4.11 Systems with electrical machines
4.12 Elements of the driving system

5. Power quality (6 h) prof dr hab. eng. Zbigniew Hanzelka)
5.1 Basic of Power Quality (Voltage quality & reliability of supply)
5.1.1Harmonics & inter harmonics
5.1.2 Flicker & Fast voltage variations
5.1.3Voltage dips & interruptions
5.1.4Unbalance
5.1.5Transients
5.2 Problems and solutions (Sources and causes)
5.2 1Propagation

6 Laboratories (48 hours)
6.1 DC generator
6.2 Shunt DC motor
6.3 Series DC motor
6.4 Slip-ring induction motor
6.5 Squirrel-cage induction motor
6.6 Measurements for parameters identification of substitution scheme
6.7 Simulation of the induction motor with double-cage rotor
6.8 Ward-Leonard system
6.9 Transformers: foundations of construction and connections
6.10 Transformers: Measurements of parameters of the substitution scheme
6.11 Transformers: Non-stationary states during the switching on process
6.12 Electrical locomotive drives with power electronics systems
6.13 Mines elevator drives with phase control of the DC motor
6.14 Induction motor drive with Soft-Start converter
6.15 Reluctance motors. Control of the stepper motors
6.16 System of the sub-synchronous cascade

*prof dr hab. eng. Zbigniew Hanzelka – professor in the Department of Power Electronics and Energy Control Systems of the University of Science and Technology – AGH. Author and co-author of more than 200 technical and scientific papers. Editor-in-chief of the periodicals: Electrical Power Quality and Utilization. His area of interest includes electrical power quality, particularly methods of reducing the influence of power converters on supply network. Member of scientific committees of national and international conferences, several national and international committees, among other IEC, UIE, CIGRE and member of Power
Electronics-Electric Drives and Electromagnetic Compatibility Committees in Polish Academy of Science. Chairman of the Electrical Power Quality Committee (Association of Polish Electrical Engineers SEP).

**dr eng. Czesław GRZBIELA – AGH-University of Science and Technology , Cracow, Poland. Faculty of Electrical Engineering, Automatics, Computer Science and Biomedical Engineering
72 publications, 9 patents, main scientific and research activities: power electronics
in electrical traction, in mining and metallurgical industry, 1981-1984 visitant professor
at Technological Institute de la Laguna TORREÓN, México