Lectures: 1) Transformer - Principle of operation, equivalent circuit, loss and efficiency, magnetizing current 2) Transformer - modes of operation, no-load test, short-circuit test, load test, types of connection, equations, phasor diagrams, per unit quantities. 3) Transformer - Multiphase transformers - wiring, vector group, parallel operation 4) Electromechanical conversion - magnetic field pulsing and rotating, the rotating field in electrical machines, comparison of 2f and 3f fields. 5) Asynchronous machine - construction, principle of operation, equivalent circuit, wiring, slip, energy balance, phasor diagram. 6) Asynchronous machine - torque characteristic, starting, limitation of the starting current 7) Speed control, braking, 1-phase asynchronous machines 8) Synchronous machine-principle of operation, construction, no-load test and short circuit test, introduction of d-q coordinate system, reactance, equivalent circuit. 9) Synchronous machine - Synchronous generator in cooperation with network and self operating mode, Phasor diagram, torque characteristic, synchronous motors with permanent magnets. 10) DC Machines - Principle of operation, construction, equivalent circuit, types of DC motors, 1-phase universal motors, starting, braking, reversing. 11) Electronically controlled electric machines: Step motors, switched reluctance machine (SRM). 12) electronically controlled electric machines: Permanent magnets (PM) for electric machines - electric machines with permanent magnets, ultrasonic motors, PMSM, BLDC. 13) Motors for electronic devices, linear motors, actuators, power equation Laboratory classes: 1. Introduction, principle of measurement, instruments 2. Theory - transformer. Design, no load test, short circuit test, the 50 vs 60 Hz network, basic calculation 3. Measurement no.1 - 3ph transformer. Resistivity measurement, no-load test, voltage ratio 4. Theory - transformer. Multi-phase transformer, Parallel operation, per unit value, basic calculation 5. Measurement no.2 - Reactive power compensation 6. Theory - asynchronous machine. Basic design, rotor description, terminal box, name-plate parameters, induced voltage, basic calculation 7. Measurement no.3 - Asynchronous machine I. Slip measurement 8. Theory - asynchronous machine. Torque relation, energy balance, currents and voltage in various winding connection, circle diagram, self-operated asynchronous generator 9. Measurement no.4 - Asynchronous machine II. No load test, resistivity measurement 10. Theory - synchronous machine. Self-operated generator and generator on the network 11. Measurement no.5 - Asynchronous machine III. Y-D comparison 12. Theory - DC machine, commutation. Permanent magnets machines, special machines 13. Conclusion, check reports
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