Title
: Electrical Circuit Simulation using PSpice
Objectives
:
1. To analyse DC circuit using PSpice software 2. To analyse AC circuit using PSpice software
Equipments : 1. PSpice software 2. Computer
Procedures
:
A. DC circuit analysis
a. Series Circuit
Figure 1 1. The circuit is shown in Figure 1 is chosen. 2. The voltages for R1, R2 and R3 are calculated.
3. Analysis the circuit by PSpice software and verify the calculation voltages. 4. Discuss the observation.
b. Parallel Circuit
Figure 2 1. The circuit is shown in Figure 2 is chosen 2. The currents through R1, R2 and R3 are calculated 3. Analysis the circuit by PSpice software and verify the calculation currents 4. Disscuss the observation.
c. Two Sources Circuit
Figure 3 1. The circuit in Figure 3 is chosen. 2. The current through R2 is calculated. 3. Analysis the circuit by PSpice software and verify the calculation current. 4. Discuss the observation.
B. AC circuit analysis
a.
Results
:
A. DC circuit analysis a. Series Circuit i.
Calculation Voltages V1=R1RTVS=100Ω1000Ω10 V=1 V V2=R2RTVS=220Ω1000Ω10 V=2.2 V V3=R3RTVS=680Ω1000Ω10 V=6.8 V
ii. PSpice analysis
V1=10 V-9 V=1 V V2=9 V-6.8 V=2.2 V V3=6.8 V-0 V=6.8 V
b. Parallel Circuit i.
Calculation Currents
I1= VsR1=20 V1.0 kΩ=20 mA I2= VsR2=20 V2.2 kΩ=9.09 mA I3= VsR3=20 V560 kΩ=35.7 mA
ii. PSpice analysis
I1=2 × 10-2=20 mA I2=9.091 × 10-3=9.09 mA I3=3.571 × 10-2=35.7 mA
c. Two Sources Circuit i.
Calculation current through R2
Step 1 : Consider 10 V alone RTs1=R1+ R32=100Ω+50Ω=150Ω ITs1= Vs1RTs1= 10V150V=66.7 mA I2s1=R3R2+R3 ITs1=100Ω200Ω66.7 mA=33.3 mA
Step 2 : Consider 5 V alone RTs2=R3+ R12=100Ω+50Ω=150Ω ITs2= Vs2RTs2= 5V150V=33.3 mA I2s2=R1R1+R2 ITs2=100Ω200Ω33.3 mA=16.7 mA
Step 3 : Add the values obtain from the both above steps I2=I2s1+ I2 s2= 33.3 mA+16.7 mA=50 mA
ii. PSpice analysis
I2=5 × 10-2 =50 mA
B. AC circuit analysis
Discussion : Suggestions for further work in the future: 1. Give the lab manual for convenience in learning. 2. Do not use red maker while writing on the whiteboard because it is unclear. 3. Use LCD projector to show how to do the experiment. 4. Use microphone to give the explanation. Conclusion : 1. The DC circuit analysis is verified by PSpice Software. 2. The AC circuit analysis is verified by PSpice Software. 3. The PSpice Software can be used in both DC and AC circuit analysis.