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Basic Electric Circuits with Switches

  • Ivo BarbiEmail author
  • Fabiana Pöttker
Chapter
Part of the Power Systems book series (POWSYS)

Abstract

In this chapter, basic electric circuits with switches are presented and analyzed as a basic knowledge for the next chapters, in which the static converters topological states

Nomenclature

Vi

Input DC voltage

E1

DC voltage

vC

Capacitor voltage

iC

Capacitor current

vL

Inductor voltage

vR

Resistor voltage

vS

Switch voltage

λ

Time constant

S

Switch

D

Diode

T, T1 and T2

Thyristors

Io and iL(∞)

Steady state inductor current

vL(∞) and vR(∞)

Steady state inductor and resistor voltages, respectively

W

Energy

tf

Energy recovery time interval

N1 and N2

Transformer primary and secondary windings, respectively

Lm

Transformer magnetizing inductance

\( {\text{L}}^{\prime}_{\text{m}} \)

Transformer magnetizing inductance referred to the secondary winding

v1 and v2

Transformer primary and secondary voltages, respectively

∆t1 and ∆t2

Time interval 1 and 2, respectively

i1 and i2

Currents at time interval 1 and 2, respectively

I1 and I2

Initial currents at time interval 1 and 2, respectively

V1

Input DC voltage referred to the transformer secondary winding

VC0 and IL0

Capacitor and inductor initial conditions, respectively

Copyright information

© Springer International Publishing AG, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Federal University of Santa CatarinaFlorianópolisBrazil
  2. 2.Department of ElectronicsFederal University of Technology—ParanáCuritibaBrazil

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