Electric Motor Control
10th Edition
ISBN: 9781133702818
Author: Herman
Publisher: CENGAGE L
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Chapter 13, Problem 8SQ
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Explain the operation of ultrasonic proximity detectors which is used to measure the distance of an object.
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12.22 Repeat Problem 12.21, Determine iL(t) in the circuit of Fig. P12.21 for t ≥ 0, but assume that the switch hadbeen open for a long time and then closed at t = 0. Set the dcsource at 12 mV and the element values at R0 = 5 Ω, R1 = 10 Ω,R2 = 20 Ω, L = 2 H, and C = 0.4 F.
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Electric Motor Control
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Q: An engineer works at a power plant with outdated equipment, causing frequent breakdowns. The engineer was asked the following questions: 1. How do you contribute to improving the plant's operation? How will this impact electricity supply to consumers? 2. Are the procedures of the engineers working at the plant consistenɩ with engineering ethics? 3. Which of the engineering ethics theories support continued work at the plant, and which of them constitute a violation of professional ethics? 4. If work at the plant complies with the engineering code, what are the supporting points in your field of work?arrow_forwardshow how this problem is solved and explain everything thanks!arrow_forward12.25 Determine i̟L (t) in the circuit of Fig. P12.25, given that before closing the switch vc (0) = 12 V. Also, the element values are R=22, L= 1.5 H, and C = 0.5 F. R ww t=0 VC + L ell IiL Figure P12.25 Circuit for Problem 12.25.arrow_forward
- Electrical engineering, Impedance and propagation coefficient.arrow_forwardwrite but do not solve the set of time domain 4) NODAL equations for this circuit- до V(+) mm 20 3h 1156 403arrow_forward3 Write but do not solve the set of time domain Loop equations for this circuit. 3F 322 5h ree w 4A 6h (±) V (c) 70{ 80arrow_forward
- By series and parallel combinations find the equivalent capacitance for this circuit. 15€ Cequivalent 6f 6f 6E 12Farrow_forwardQ: Design of AM system 1- Draw the block diagram for AM transmitter 2- Draw the output waveform of transmitter and what is the device measure the output? 3- Draw the spectrum frequency for the output of transmitter 4- Why we use the modulation? Doarrow_forwardThe following circuit is at steady state for t<0. At t=0 sec, the switch is open. Let R₁ =14 ohms, R₂=14 ohms, R3-4 ohms, C₁-1 F, Vx-16 V and Ix-7 A. Find Vc1 (0.8 sec) and voltage across resistor R3 = v(1.4 sec), as follows: Vc1(0) in volts= Vc1(00) in volts= Rth in ohms= Vc1(t-0.8 sec) in volts= v(t-1.4 sec) in volts= Vx w t=0 The relative tolerance for this problem is 10 %. + www R₂ Vit R3 + Vc1(t) C₁arrow_forward
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