Fundamentals of Power Electrical Engineering

Lecturer:

Tutor:

Supervisor:

Department of Electric Drives and Traction

Synopsis:

The course conveys knowledge on the basic functions and service characteristics of electrical power engineering main components. It deals with electric energy sources and appliances: transformers, power inverters, generators, chemical and photovoltaic sources, DC and AC motors. The course notifies of contact electric apparatus, of generation, transfer and distribution electrical energy including electrical apparatus protection. Problems are test in the laboratory by line voltage.

Requirements:

Active participation on laboratory tasks solution, correct book-keeping of measurement documentation and results processing. Presentation of measurement reports.

Syllabus of lectures:

1.Electric energy sources, properties and regulation. Ideal transformer

2.Technical transformer, characteristics, equivalent circuit. Autotransformer

3.Single and three phase rectifiers, controlled and uncontrolled. DC generators

4.Commutator motors. Separately excited DC motor

5.Series excited DC and AC motors

6.Induction motor, principle, equations, rotating field genesis, equivalent circuit

7.Characteristics and starting of induction motor. One phase induction motor

8.Synchronous machine, principle, equivalent circuit, phase diagram. Stepper motors

9.Controlled small power drives

10.Remedy of disfavour effects of semiconductor convertors in network

11.Electric apparatus. DC and AC circuits switching

12.Nuclear, thermal, hydraulic, gas turbine and wind power plant

13.Electrical energy transfer and distribution. Protection of electrical devices

14.Chemical and fotovoltaic electric sources

Syllabus of tutorials:

1.Rules for laboratory work. Control of sources. Winding resistors measurement

2.One phase transformer, no-load and short-circuit characteristics. Equivalent circuit

3.Loading characteristic. Display of voltage, current and flux curves

4.Half-wave rectifier and full-wave bridge rectifier at R, RL, RC load

5.Separately excited DC generator at no-load and full load

6.Separately excited DC motor, no-load, speed and torque characteristics

7.Universal series motor, loading

8.Induction motor, torque-speed, current-speed and load characteristics

9.Induction motor supplied by frequency converter, torque characteristics

10.Synchronous generator, paralleling conditions, measurement of „V“ characteristics

11.Stepper motor, torque characteristics, time sequences of supply currents

12.Small motors of mass application: demonstration, control, characteristics 13.BLDC permanent magnet motor: control and loading

14.Circuits with contactors for control of induction and DC motors

Study Objective:

Study materials:

1. Pivoňka, P.: Fundamentals of Power Electrical Engineering, NOTES, Praha, 2005

Note:

Further information:

No time-table has been prepared for this course

The course is a part of the following study plans:

• Electronics and Communication Technology - structured studies (compulsory elective course)