Παρουσίαση/Προβολή

(EE111) -  John Chatzakis

Περιγραφή Μαθήματος

Definition of the concept of "Power Electronics", Power semiconductors (Diode, Thyristor, GTO, MCT, TRIAC, Power BJT, Power MOSFETs, SJ MOSFET, IGBT, HEMT, TRIAC), Circuits with switches and diodes (with RC, RL, RLC load), semiconductor protection, oscillation damping - snubbers, MOVs, di/dt limiting coils, fuses, current sensors - protection through driving. Rectifiers, polyphase rectifiers, thyristor controlled rectifiers. RL and LC low-pass filters, Fourier analysis, use of harmonic spectrum in power electronics, ripple factor (K), total harmonic distortion factor (THD), harmonic factors (HF), power factor (PF). DC/DC conversion, Buck converter, DC and AC coil operation, Boost converter, DC and AC coil operation, Polarity reversal converter. Definition of Duty Cycle and control using a reference voltage and using a triangular or sawtooth pulse (PWM). Switching power supplies, power factor correction (PFC), the pulse transformer, forward converter, half-bridge, bridge, Push-Pull, coupled coils, Flyback converter. Inverters: Half-bridge, Bridge, PWM technique, MPWM technique, PDM technique, Modulation Factor (Mf), SPWM technique, Normalized carrier frequency (Fnc), HF-Link, three-phase inverters, Inverters and motors., Class-D amplifiers, Class-E. Integrated Circuits and Power Electronics, switching regulators, DC/DC converters, PFC controllers, power semiconductor driving, PWM units, Microcontrollers and DSP for power electronics. Feedback control and correction techniques. Cycloconverters, and other applications of Power electronics.

Ημερομηνία δημιουργίας

Tuesday, March 17, 2020