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To better understand why the calculated and actual current values differ significantly ("A LOT") in the AC circuit, determine the following circuit values using your AC measurements from steps 1,4.and 5. A. Calculate the total impedance (Z, in ohms) in the circuit: Es Z (ohms) V (Ohms' Law with Impedance) It A. B. Calculate the Inductive reactance (XL, in ohms) in the circuit: Z = R2 + X (Impedance equation – Solve for XL algebraically using you calculated value for Z and your measured value for R. Note: Because there is no capacitor in the irrigation valve, there is no capacitive reactance (Xc) in this circuit. )² + X? (Continue solving algebraically until you have solved for XL in ohms.) Draw the Impedance Diagram for this circuit: [Use the grid to draw each component (resistance, R; inductive reactance, XL) to scale]. The "origin" (0 point) of your diagram should begin at the drawing at the point marked by the "". Each grid line should represent 10 2. C. XL phase angle R Xc Example Impedance Diagram

To better understand why the calculated and actual current values differ significantly ("A LOT") in the AC circuit, determine the following circuit values using your AC measurements from steps 1,4.and 5. A. Calculate the total impedance (Z, in ohms) in the circuit: Es Z (ohms) V (Ohms' Law with Impedance) It A. B. Calculate the Inductive reactance (XL, in ohms) in the circuit: Z = R2 + X (Impedance equation – Solve for XL algebraically using you calculated value for Z and your measured value for R. Note: Because there is no capacitor in the irrigation valve, there is no capacitive reactance (Xc) in this circuit. )² + X? (Continue solving algebraically until you have solved for XL in ohms.) Draw the Impedance Diagram for this circuit: [Use the grid to draw each component (resistance, R; inductive reactance, XL) to scale]. The "origin" (0 point) of your diagram should begin at the drawing at the point marked by the "". Each grid line should represent 10 2. C. XL phase angle R Xc Example Impedance Diagram

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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DC resistance is 5 ohms AC source voltage is 120 v AC current is 8 Amps
To better understand why the calculated and actual current values differ significantly ("A LOT") in the AC circuit, determine the following circuit values using your AC measurements from steps 1,4.and 5. A. Calculate the total impedance (Z, in ohms) in the circuit: Z (ohms) Es V %3D (Ohms' Law with Impedance) It A B. Calculate the Inductive reactance (XL, in ohms) in the circuit: Z = R2 + X (Impedance equation – Solve for XL algebraically using you calculated value for Z and your measured value for R. Note: Because there is no capacitor in the irrigation valve, there is no capacitive reactance (Xc) in this circuit. )² + X} (Continue solving algebraically until you have solved for XL in ohms.) Draw the Impedance Diagram for this circuit: [Use the grid to draw each component (resistance, R; inductive reactance, XL) to scale]. The "origin" (0 point) of your diagram should begin at the drawing at the point marked by the "". Each grid line should represent 10 2. С. XL phase angle R Xc Example Impedance Diagram
Transcribed Image Text:To better understand why the calculated and actual current values differ significantly ("A LOT") in the AC circuit, determine the following circuit values using your AC measurements from steps 1,4.and 5. A. Calculate the total impedance (Z, in ohms) in the circuit: Z (ohms) Es V %3D (Ohms' Law with Impedance) It A B. Calculate the Inductive reactance (XL, in ohms) in the circuit: Z = R2 + X (Impedance equation – Solve for XL algebraically using you calculated value for Z and your measured value for R. Note: Because there is no capacitor in the irrigation valve, there is no capacitive reactance (Xc) in this circuit. )² + X} (Continue solving algebraically until you have solved for XL in ohms.) Draw the Impedance Diagram for this circuit: [Use the grid to draw each component (resistance, R; inductive reactance, XL) to scale]. The "origin" (0 point) of your diagram should begin at the drawing at the point marked by the "". Each grid line should represent 10 2. С. XL phase angle R Xc Example Impedance Diagram
4. Determine the parallel-connected capacitance required to correct power factor to a specified level. Fart 1: Evaluation of Impedance, Power Factor and Phase Angle in an AC Irrigation Solenoid Valve Circuit. Directions: Complete each step as directed, recording your results in the appropriate blank. 1. Make the following measurements and record your results. A. DC resistance: Ω B. AC source voltage: V C. DC source voltage: 2. Using Ohm's Law and your resistance and voltage measurements, calculate the expected current flow (A) in the DC and AC circuits: VDC A Calçulated DC current: V AC A Calculated AC current: 3. Connect the circuit to the DC power source and measure the DC current. Record below: Actual (measured) DC current: A Does this value agree (within a few hundredths of an amp) with your calculated value for the DC power source (from step 2)? YES NO (Circle your response) or 4. Connect the circuit to the DC power source and measure the DC current. Record below: Actual (measured) AC current: A Does this value agree (within a few hundredths of an amp) with your calculated value for the AC power source (from step #2)? YES NO (Circle your response) or If "NO," do the calculated and measured amperage values by a little or by a lot? A LITTLE A LOT (Circle your response) or
Transcribed Image Text:4. Determine the parallel-connected capacitance required to correct power factor to a specified level. Fart 1: Evaluation of Impedance, Power Factor and Phase Angle in an AC Irrigation Solenoid Valve Circuit. Directions: Complete each step as directed, recording your results in the appropriate blank. 1. Make the following measurements and record your results. A. DC resistance: Ω B. AC source voltage: V C. DC source voltage: 2. Using Ohm's Law and your resistance and voltage measurements, calculate the expected current flow (A) in the DC and AC circuits: VDC A Calçulated DC current: V AC A Calculated AC current: 3. Connect the circuit to the DC power source and measure the DC current. Record below: Actual (measured) DC current: A Does this value agree (within a few hundredths of an amp) with your calculated value for the DC power source (from step 2)? YES NO (Circle your response) or 4. Connect the circuit to the DC power source and measure the DC current. Record below: Actual (measured) AC current: A Does this value agree (within a few hundredths of an amp) with your calculated value for the AC power source (from step #2)? YES NO (Circle your response) or If "NO," do the calculated and measured amperage values by a little or by a lot? A LITTLE A LOT (Circle your response) or
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