Belépés címtáras azonosítással
magyar nyelvű adatlap
angol nyelvű adatlap
Electrical Machines and Drives
A tantárgy neve magyarul / Name of the subject in Hungarian: Villamos gépek és hajtások
Last updated: 2016. április 28.
Mechanical Engineering Faculty
Energetics Engineering BSc
A fenti forma a Neptun sajátja, ezen technikai okokból nem változtattunk.
A kötelező előtanulmányi rend az adott szak honlapján és képzési programjában található.
1. week: Transformer: operation principle, construction, equivalent circuit, vector diagram, operation.
2. week: Kinetics of electric drives (referring the inertia and torque to common shaft, stability, motion equation, time constants). Using the per-unit system.
3. week: Construction and operation of DC machine, its induced voltage, torque and equivalent circuit.
4-5. week: Excitation methods of DC machines, mechanical characteristics. Constant voltage supply. Starting of DC machines. Braking methods of DC machines: regenerative, resistive, plugging. Speed modification.
6. week: Converter-fed DC drives. Converter topologies. Operation neglecting the overlap. Power conditions of converter-fed DC drives.
7. week: Topology, control and characteristics of the DC chopper-fed DC drives.
8-9. week: 3-phase vectors (Park.vectors). Magnetic fields and induced voltage of AC machines. Induction machine: operation principle, equivalent circuit, power flow, vector diagram, current vector diagram, mechanical characteristic curve for constant voltage supply.
10. week: Starting of induction machines. Braking methods of induction machines: regenerative, plugging, dynamic braking. Speed modification methods of induction machines: modifying the rotor resistance, modifying the supply voltage, modifying the pole-pair number.
11-12. week: Frequency-converter-fed induction machine drives. Operation and voltage waveform of simple inverter. PWM voltage-source inverter-fed drive.
13. week: Synchronous machine: operation principle, construction, equivalent circuit, vector diagram, connecting to the network, load development, torque. Current vector diagram of the cylindrical rotor synchronous machine.
14. week: Static and dynamic stability of synchronous machines.
Practices: computation practices in starting , connections, upper-harmonics, per-unit values, time constants, vector diagrams.