Power Electronics

Semiconductor power modules. Rectifier AC-DC (unregulated, imielenchomenes controlled). Inverter DC-AC. How To Transition a thyristor. DC Voltage Converters. Choppers, inverters (inverters), cyclo-converters. Elements of electrical machines. Checking electrical machines. Protection of semiconductor circuits

Objectives

Introduction to industrial control with power electronics components

Prerequisites

Not Determined

Syllabus

Power semiconductors (diodes, Thyristor, GTO, MCT, PowerBJT, PowerMOSFET, IGBT, TRIAC) Circuits with switches and diodes (load with RC, RL, RLC) Semiconductor protection, vibration damping - Snubbers, MOVs, limiting coils di / dt, fuses, sensors power - protection through drive. Rectifiers, Polyphase rectifiers, thyristor controlled rectifier. RL and LC low pass filters, Fourier analysis, harmonic spectrum use in power electronics, ripple coefficient (K), total harmonic distortion factor (THD), harmonic factor (HF), power factor (PF). DC / DC conversion, down-converter (Buckconverter), Operation with continuous and discontinuous inductor current, lifting converter (Boostconverter), Operation with continuous and discontinuous inductor current, polarity reversal converter (SEPICconverter). Definition of DutyCycle and control using reference voltage and use a triangular or sawtooth pulse. Switchers, power factor correction (PFC), the pulse transformer, good direction converter, Imigefyras, Bridge, Push-Pull, Coupled inductors, converter Flyback. Inverters, Push-Pull with AC, Imigefyras, Bridge, Technical PWM, Technical PDM, Modulation Coefficient (Mf), Technical SPWM, Normalized carrier frequency (Fnc), AC inverters, inverters Multi-storey inverters and motors, amplifiers class D, class E. Integrated Circuits and Power Electronics, switching stabilizers, DC / DC converters, PFC controllers, Driving Power Semiconductors, PWM modules, microcontrollers and DSP for Power Electronics. Technical control and correction through feedback.