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# Chapter 10 - Chapter 10 Sinusoidal steady-state analysis...

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SJTU 1 Chapter 10 Sinusoidal steady-state analysis

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SJTU 2 Steps to analyze ac circuit 1. Transform the circuit to the phasor or frequency domain 2. Solve the problem using circuit techniques(nodal analysis, mesh analysis, superposition,etc) 3. Transform the resulting phasor to the time domain
SJTU 3 Nodal analysis Fig. 8-28: An example node

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SJTU 4 Mesh analysis planar circuits: Circuits that can be drawn on a flat surface with no crossovers Fig. 8-29: An example mesh the sum of voltages around mesh A is
SJTU 5 EXAMPLE 8-21 Use node analysis to find the current I X in Fig. 8-31. Fig. 8-31 SOLUTION: ° = 0 75 V C : C Node or

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SJTU 6
SJTU 7 EXAMPLE 8-24 The circuit in Fig. 8-32 is an equivalent circuit of an ac induction motor. The current I S is called the stator current, I R the rotor current, and I M the magnetizing current. Use the mesh-current method to solve for the branch currents I S , I R and I M .

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SJTU 8
SJTU 9 EXAMPLE 8-25 Use the mesh-current method to solve for output voltage V 2 and input impedance Z IN of the circuit below.

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