0195136047.pdf

74 CIRCUIT ANALYSIS TECHNIQUES STEP 2:Identify the nodes and choose a convenient reference nodeO. This is also shown in Figure E ...

2.2 NODE-VOLTAGE AND MESH-CURRENT ANALYSES 75 Reference node Supernode ACB + +− − IB IC IA 12 V 2 Ω 4 A 2 Ω 1 Ω 24 V Figure E2.2 ...

76 CIRCUIT ANALYSIS TECHNIQUES is traditionally chosen. Branch currents can be found in terms of mesh currents, whose solution i ...

2.2 NODE-VOLTAGE AND MESH-CURRENT ANALYSES 77 R 11 I 1 − R 12 I 2 − ··· − R 1 NIN = V 1 −R 21 I 1 + R 22 V 2 − ··· − R 2 NIN = V ...

78 CIRCUIT ANALYSIS TECHNIQUES 33 I 1 − 20 I 2 − 8 I 3 = 10 − 20 I 1 + 55 I 2 − 10 I 3 = 0 − 8 I 1 − 10 I 2 + 22 I 3 = 20 STEP 4 ...

2.2 NODE-VOLTAGE AND MESH-CURRENT ANALYSES 79 Let us now form asupermesh,which includes meshes 1 and 2, as shown in Figure E2.2. ...

80 CIRCUIT ANALYSIS TECHNIQUES V 1 2 Ω 0.5 V^15 Ω^ V^ =? I =? 10 Ω 10 Ω 4 Ω (a) 5 V + − + − + − Figure E2.2.5 V 1 2 Ω 5 Ω 0.5 V ...

2.3 SUPERPOSITION AND LINEARITY 81 The constraint equation is V 1 =VB Combining these with the nodal equations already written, ...

82 CIRCUIT ANALYSIS TECHNIQUES EXAMPLE 2.3.1 Determine the voltage across the 20-resistor in the following circuit of Figure E2 ...

2.4 WYE-DELTA TRANSFORMATION 83 Next, by replacing the independent voltage source with a short circuit, the circuit is shown in ...

84 CIRCUIT ANALYSIS TECHNIQUES (a) (b) B B C C A A RAB RA RB RC RCA RBC Figure 2.4.1Wye–delta transfor- mation.(a)Wye configurat ...

2.5 COMPUTER-AIDED CIRCUIT ANALYSIS: SPICE 85 R 3 = 4 × 8 4 + 8 + 4 = 2  The circuit is redrawn in Figure E2.4.1(b). Using the ...

86 CIRCUIT ANALYSIS TECHNIQUES which the input processor is calledSchematics, the simulation processor is a version of SPICE cal ...

2.5 COMPUTER-AIDED CIRCUIT ANALYSIS: SPICE 87 N 1 GNAME N1 N2 NC+ NC− GMVALUE + − N 2 NC+ NC− Gmvx vx N+ ENAME N+ N− NC+ NC− AVV ...

88 CIRCUIT ANALYSIS TECHNIQUES After executing the program, from the output file,I 2 =I(R2)=0.692 A. (a) R 2 = 10 Ω R 1 = 5 Ω R ...

2.6 COMPUTER-AIDED CIRCUIT ANALYSIS: MATLAB 89 MATLAB MATrix LABoratory MATLAB programming language And many more Computations L ...

90 CIRCUIT ANALYSIS TECHNIQUES the author of this text has developed “Electrical Machines Toolbox” for the analysis and design o ...

2.6 COMPUTER-AIDED CIRCUIT ANALYSIS: MATLAB 91 EXAMPLE 2.6.1 Consider the circuit shown in Figure E2.6.1 and identify the connec ...

92 CIRCUIT ANALYSIS TECHNIQUES % Solve Equations sol = solve (eqn01, eqn02, eqn03, eqn04, eqn05, eqn06,... eqn07, eqn08, eqn09, ...

2.8 PRACTICAL APPLICATION: A CASE STUDY 93 Black wire of jumper cable Weak-battery car Red wire of jumper cable + + − − 11 V υg ...