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Lab 5
C.J. Gorrell
DC Circuit Analysis Using PSpice
ENME350 0102
3/26/10
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Objective – At the conclusion of this lab one should be able to use PSpice to
analyze a circuit and determine the Norton and Thevenin equivalent circuits.
II. Instruments used
A. Computer
B. PSpice application
III.
Voltage/ Current Analysis using PSpice
A.
Experimental Setup
Create the circuit below using PSpice, and determine
the node voltages as well as the branch currents at Va, Vb, Vc, Vd and R2, R3,
R3, R4, R6, R13 using voltage and current markers.
0s
1.0s
2.0s
3.0s
4.0s
5.0s
V(I1:)
V(R12:2)
V(I2:)
V(R8:2)
50V
0V
50V
100V
Time
0s
1.0s
2.0s
3.0s
4.0s
5.0s
I(R2)
I(R3)
I(R4)
I(R6)
I(R13)
20A
10A
0A
10A
B.
Data
VA=green
Vc=blue Vb==red Vd=yellow
C.
Analysis
From the graphs above it can be seen that a DC voltage is used as
the slopes of all the voltage and current lines are 0.
IV.
Equivalent Resistance of a circuit
A.
Experimental Setup
Using PSpice formulate the circuit below.
Apply a
voltage across the terminals a and b.
Find the branch current across the voltage supply
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This note was uploaded on 01/24/2011 for the course ENME enme350 taught by Professor Hasouneh during the Spring '10 term at Maryland.
 Spring '10
 Hasouneh

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