Determining Duty Cycle and Current Waveform for a Switching Circuit, Assignments of Electrical and Electronics Engineering

The details of an in-class problem from ece 320, focusing on finding the duty cycle that results in steady state switching conditions and sketching the current waveform as a function of time for a given rlc circuit. The circuit includes an inductor, a capacitor, a voltage source, and a switch with a given initial inductor current, switching frequency, and voltage values.

Typology: Assignments

Pre 2010

Uploaded on 08/19/2009

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ECE 320
In Class Problem
Lesson 7
For the circuit shown below, determine the duty cycle that gives steady state switching
conditions and sketch the current waveform as a function of time. The initial inductor
current is 1.0 Amps. The switching frequency is 100kHz.
The switch is initially open. When the switch is then closed, the inductor current will
rise. After the switch is turned off again, the inductor current will decrease.
+
-+
-
L=1mH
Vdc=42V
V0=120V

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ECE 320

In Class Problem Lesson 7

For the circuit shown below, determine the duty cycle that gives steady state switching conditions and sketch the current waveform as a function of time. The initial inductor current is 1.0 Amps. The switching frequency is 100kHz.

The switch is initially open. When the switch is then closed, the inductor current will rise. After the switch is turned off again, the inductor current will decrease.

L=1mH

Vdc=42V

V0=120V