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CIRCUIT ANALYSIS USING SPICE AND PSPICE

R3 R4 R5 R6 .DC .PRINT .END

1 2 3 4 Vs DC

2 3 4 0 105 V(1)

74 16.4 103.2 28.7 105 V(3, 4)

[CHAP. 15

1

The output file contains the following: DC TRANSFER CURVES Vs V(1) 1:050E þ 02 1:139E þ 01

V(3, 4) 7:307E þ 01

Therefore, Vð3; 4Þ ¼ 73:07 V.

15.2

Write the source file for the circuit of Fig. 15-24 and find I in R4 .

Fig. 15-24

The source file is DC analysis, VS Is R1 R2 R3 R4 .DC .PRINT .END

Fig. 15-24 2 0 0 3 0 1 1 2 1 3 3 0 Vs 200 DC I(R4)

DC DC 27 47 4 23 200

200 V 20 A

1

The output file contains the following results: DC TRANSFER CURVE Vs I(R4) 2:000E þ 02 1:123E þ 01 Current IðR4Þ ¼ 11:23 A flows from node 3 to node 0 according to the order of nodes in the data statement for R4.

15.3

Find the three loop currents in the circuit of Fig. 15-25 using PSpice and compare your solution with the analytical approach.

Mahmood_Nahvi_eBook_Schaum_s_Outlines_Theory_An  
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