Question

Mini-Prj 2. Extraction of Thevenin and Norton Equivalent Circuits by LTspice Part B. Wheatstone Bridge Circuit with a Current Source Is R5 R1 R2 Is RL R3 R4 For the circuit as shown below, given that R1-22 Ω, R2-15 Ω, R3-28 Ω, R4-9 Ω, R5-29 Ω , R.-16 Ω, 1,-6 A. I. Wheatstone Bridge Circuit Analysis (a) Determining the load voltage VL-Vab for the Wheatstone bridge circuit with LTspice. Submit Answer Tries 0/4 (b) Determining the load current IL following from a to b for the Wheatstone bridge circuit with LTspice Submit Answer Tries 0/4 II. Extraction of Thevenin Equivalent Circuit for this Wheatstone Bridge Circuit RTh VTh RL (c) Determining Thevenin equivalent voltage VTh for this Wheatstone bridge circuit, where VTh is extracted from the open circuit voltage at the terminals a, b without the load, RL Submit Answer Tries 0/3 d) As shown below, extracting Thevenin equivalent resistance RTh or this wheatstone bridge circuit by setting 1s=0 A and adding an external current source with e=1.2 A. Thus, Thevenin equivalent resistan can be evaluated via RTh Va/e (Question: why not use Vab instead?) R5 R1 R2 Is Ie R3 R4 0 Submit Answer Tries 0/3 (e) With the extracted VTh and RTh and using Thevenin equivalent circuit, recalculate the load voltage V VLTh-Vab for the Wheatstone bridge circuit with LTspice. Submit Answer Tries 0/3 (f) With the extracted VTh and RTh and using Thevenin equivalent circuit, recalculate the load current ILILTh following from left to right for the Wheatstone bridge circuit with LTspice ILTh Submit Answer Tries 0/3 III. Extraction of Norton Equivalent Circuit for this Wheatstone Bridge Circuit IN RN RL (g) Determining Norton equivalent current IN for this wheatstone bridge circuit, where IN įs extracted from the source transformation 1N= Vrh/RT- 1 (A) Submit Answer Tries 0/3 (h) Determining Norton equivalent resistance RN, where RN is extracted from the source transformation RN RN- RTh Submit Answer Tries 0/3 ) With the extracted IN and RN and using Norton equivalent circuit, recalculate the load voltage VL-VLN-Vab for the Wheatstone bridge circuit with LTspice VUN Submit Answer Tries 0/3 ) With the extracted IN and Rv and using Norton equivalent circuit, recalculate the load current IL ILN following from left to right for the Wheatstone bridge circuit with LTspice. ILN Submit Answer Tries 0/3

Answer 1

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LTspice XVII - Draftl File View Plot Settings Simulation Iools Window Help Draftt Draft R5 19 R2 Vs RL 74 V R3 R4 18 .tran 1 Draft 26.703mA 6.700mA 26.697mA (RI) 6.694mA 26.691mA 26.688mA 26.685mA 26.682mA 26.679mA 6.676mA 6.673mA 0.0000fs 0.0001fs 0.0002fs 0.0003fs 0.0004fs 0.0005fs 0.0006fs 0.0007fs 0.0008fs 0.0009fs 0.0010fs 0.0011fs 0.0012fs 0.0013fs 0.0014fs

LTspice XVII - Draftl File View Plot Settings Simulation Iools Window Help Drat1 Draft1 Draft1 R5 19 R1, R2 9 Vs 74 V R4 18 R3 9 .trăn 1 Draft 14.68V 14.64V 14.60V 14.56V 14.52V 14.48V 14.44V 14.40V 14.36V 14.32V 14.28V 14.24V 14.20V V(a) V(b) 0.0s 0.1s 0.2s 0.3s 0.4s 0.5s 0.6s 0.7s 0.8s 0.9s 1.0s

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LTspice XVII - Draft2 File View Plot Settings Simulation Tools Window Help Draft22 raft2 Rth 13.33 Vth RL 2 0.4 .tran 1 V(a) (RI) 51.0mV 1.2mV 1.4mV 1.6mV 1.8mV 52.0mV 52.2mV 52.4mV 52.6mV 52.8mV 53.0mV 63.2mV -25.0mA -25.2mA -25.4mA -25.6mA 25.8mA -26.0mA -26.2mA 26.4mA -26.6mA -26.8mA -27.0mA -27.2mA 0.0s 0.1s 0.2s 0.3s 0.4s 0.5s 0.6s 0.7s 0.8s 0.9s 1.0s

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LTspice XVII - Draft3 File View Plot Settings Simulation Tools Window Help DrafDraDraf2Draft2DratDraft? Draft3 In RL 13.33 2 0.03 .tran 1 Draft3 51.0mV 51.2mV 51.4mV 51.6mV 51.8mV 52.0mV 52.2mV 52.4mV 52.6mV 52.8mV 53.0mV 53.2mV V(a) (RI) 25.0mA 25.2mA 25.4mA -25.6mA -25.8mA -26.0mA 26.2mA 26.4mA 26.6mA -26.8mA -27.0mA -27.2mA 0.0s 0.1s 0.2s 0.3s 0.4s 0.5s 0.6s 0.7s 0.8s 0.9s 1.0s

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