PVMD Olindo Isabella Delft University of Technology Learning - - PowerPoint PPT Presentation

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Jan 23, 2024 128 likes •248 views

Electrical components PVMD Olindo Isabella Delft University of Technology Learning objectives DC-DC converter 1. Introduction to electrical conversion 2. Electrical components Switch Inductor Flyback diode Smoothing

SLIDE 1

PVMD

Delft University of Technology

Electrical components

Olindo Isabella

SLIDE 2

Learning objectives

DC-DC converter

1. Introduction to electrical conversion
2. Electrical components
Switch
Inductor
Flyback diode
Smoothing capacitor
3. Topologies
4. Efficiency of a buck-boost converter

DC-AC inverter

SLIDE 3

Switch

(GTO) Gate Turn-Off Thyristors

C E G D S G

10-100 kHz

P N P N

Anode Cathode Gate

SLIDE 4

Switch

(GTO) Gate Turn-Off Thyristors (IGBT) Insulated-Gate Bipolar Transistors (MOSFET) Metal-Oxide-Semiconductor Field-Effect Transistor

C E G D S G

10-100 kHz

SLIDE 5

Inductor

Stores energy in the magnetic field Electromotive force Current

+

Power

supply

SLIDE 6

Inductor

Electromotive force Power supply

+

SLIDE 7

Flyback diode

Power supply

+

+
Energized inductor

Current

SLIDE 8

Flyback diode

Power supply

+

+
Energized inductor

Current

Arc across airgap

SLIDE 9

Flyback diode

Power supply

+

Energized

inductor Current

+

SLIDE 10

Smoothing capacitor

Pulsating signal Smoothed signal

Load Capacitor

SLIDE 11

Recap

+

Load

Capacitor