# TRANSIENT ANALYSIS OF A RESISTOR-INDUCTOR (RL) CIRCUIT

Topics: Electrical resistance, Inductor, Ohm's law Pages: 4 (883 words) Published: April 11, 2014
﻿TRANSIENT ANALYSIS OF A RESISTOR-INDUCTOR (RL) CIRCUIT

TOM CARNEY

Table of Contents

1. Introduction………………………………………………………………………………….Page 2

2. Theoretical Analysis………………………………………………………………………Page 3

3. Questions related to constructed circuit……………………………………….Page 5

4. Conclusion…………………………………………………………………………………….Page 6

5. Works cited……………………………………………………………………………………Page 6

6. Illustrations…………………………………………………………………………………….Page 7-8

Transient Analysis of a Resistor- Inductor (RL) Circuit

1. INTRODUCTION

Electrical circuit analysis is done in order to allow the designer to verify his design and to predict the response of the system under varying conditions of load and excitation. A circuit can be analyzed at different points in time. Whenever a switch is closed in a circuit, the voltages and currents in the circuit take some time to settle down to their final values; the components of voltages and currents that die down are called as transients. Transient analysis of a circuit is/are the time varying currents and voltages resulting from sudden application of sources, and is done at the time of switching to study the effects of the transients as well as to determine the time taken by the system to settle down. The behavior of the circuit as a function of time is studied under transient analysis. The inductors in the circuit are replaced by their equivalent current sources and resistances, and the capacitors in the circuit are replaced by their equivalent voltages sources and resistances. The circuit voltages and currents are calculated at the time of switching (usually at t = 0); this is the initial condition solution. The voltages across the capacitors and the currents across the Inductors are used to calculate the circuit voltages and currents at each time step; this is done repeatedly for a designated amount of time and the results are then plotted.

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