Lecture Notes 9_Reactive

For free space or air 0 4 107 126 hm for steel

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: urrent/Voltage Continuity • Average Current/Voltage • Buck Converter • Power and Energy • Summary Inductors are formed from coils of wire, often around a steel or ferrite core. µN A The magnetic flux within the coil is Φ = l i where N is the number of turns, A is the cross-sectional area of the coil and l is the length of the coil (around the toroid). µ is a property of the material that the core is made from and is called its permeability . For free space (or air): µ0 = 4π × 10−7 = 1.26 µH/m, for steel, µ ≈ 4000µ0 = 5 mH/m. From Faraday’s law: v = N dΦ = dt E1.1 Analysis of Circuits (2013-3717) µN 2 A di l dt di = L dt . Capacitors and Inductors: 9 – 4 / 12 Inductors 9: Capacitors and Inductors • Capacitors • Types of Capacitor • Inductors • Passive Components • Series and Parallel Inductors • Series and Parallel Capacitors • Current/Voltage Continuity • Average Current/Voltage • Buck Converter • Power and Energy • Summary Inductors are formed from coils of wire, often around...
View Full Document

Ask a homework question - tutors are online