Question

Mini-Prj 2. Extraction of Thevenin and Norton Equivalent Circuits by LTspice Part A. Wheatstone Bridge Circuit with a Voltage Source Vs R5 R1 R2 Vs RL R3 R4 For the circuit as shown below, given that R1= 9 Ω, R2= 17 Ω, R3= 9 Ω' R,-18 Ω, R5= 19 Ω , RL= 2 Ω ,V,-74 V I. Wheatstone Bridge Circuit Analysis (a) Determining the load voltage Vi-Vab for the Wheatstone bridge circuit with LTspice Submit Answer Tries 0/3 (b) Determining the load current Iu following from a to b for the Wheatstone bridge circuit with LTspice. Submit Answer Tries 0/3 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 o/3 (d) As shown below, extracting Thevenin equivalent resistance RTh for this Wheatstone bridge circuit by setting Vs-0 V and adding an external current source with Le-1.2 A. Thus, Thevenin equivalent resistance can be evaluated via RThV (Question: why not use Vab instead?) R5 R1 R2 Ie Vs 0 R3 R4 (S2) Submit Answer Tries 0/3 (e) With the extracted VTh and RTh and using Thevenin equivalent circuit, recalculate the load voltage Vu-VLTh-Vab for the Wheatstone bridge circuit with LTspice VLTh Submit Answer Tries 0/3 ) With the extracted VTh and RTh and using Thevenin equivalent circuit, recalculate the load current IL-ILTh for the Wheatstone bridge circuit with LTspice. ILM" 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 is extracted from the source transformation IN VTh/RTh IN- Submit Answer Tries 0/3 (h) Determining Norton equivalent resistance RN, where RN is extracted from the source transformation RN-RTh RN Submit Answer Tries 0/3 (i) 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. VLN Submit Answer Tries 0/3 ) With the extracted IN and RN and using Norton equivalent circuit, recalculate the load current IL ILN for the Wheatstone bridge circuit with LTspice. Submit Answer Tries 0/3 ILN 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 , RL-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 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 IN= 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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