Lab-In-A-Box

Lab-in-a-Box

Experiment 24: Using Nodal or Mesh Analysis to Solve AC Circuits

Name: ______

ID: ______

Date: ______

Procedure

Analysis:

a. 

= / ______+ j ______/ = / ____________
= / ______+ j ______/ = / ____________

The equivalent impedance of the load in phasor notation and in rectangular coordinates is:

(Show calculations and the result.)

The values of R and C for the equivalent impedance load are:

R = ______

C = ______

Measurements:

The measured voltage phasor for V1 is ______and V1 is {lagging or leading} the applied voltage.

The measured voltage phasor for V2 is ______and V2 is {lagging or leading} the applied voltage.

a.  Comparison with Analysis using Nominal Values for Components

V1: The percent difference of the experimental results from the calculated result are ______for the amplitude and ______for the phase.

V2: The percent difference of the experimental results from the calculated result are ______for the amplitude and ______for the phase.

b.  Comparison with Analysis using Measured Values for Components

The measured values of the components are:

R1 / R2 / R3 / R4 / C / Inductor’s internal resistance

V1: The percent difference of the experimental results from the refined calculated result are ______for the amplitude and ______for the phase.

V2: The percent difference of the experimental results from the refined calculated result are ______for the amplitude and ______for the phase.

a. 

The percent difference of to i1 of the circuit with the equivalent impedance for the load from the sum of currents i2 and i3 for the modified circuit for Experiment 24 are ______for the amplitude and ______for the phase.

Conclusions:

Provide an explanation for the percent differences in the measured results vs. the calculated values of V1 and V2 and for any differences between V1 and i1 of the original modified circuit for Experiment 24 and the circuit with the equivalent impedance for the load.

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