Electric Motor Control
10th Edition
ISBN: 9781133702818
Author: Herman
Publisher: CENGAGE L
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Chapter 33, Problem 6SQ
When is it most important to use decelerating relays for multispeed installations?
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For step a), use equations (2) to find the equation for the input impedance
equations (2) are V1 = jwL1I1 + jwMI2 and V2 = jwMI1 + jwL2I2
equation for the input impedance: Z1 = V1/I1 = jwL1 + (wM)2/(jwL2 + ZL)
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4) A circuit is given as shown.
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(b) Find the dependent source voltage given as 5i2
(c) Find voltages V, and V₂
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(d) For each circuit element in the circuit and the two
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Chapter 33 Solutions
Electric Motor Control
Ch. 33 - Prob. 1SQCh. 33 - Prob. 2SQCh. 33 - Prob. 3SQCh. 33 - What is the primary reason for using a compelling...Ch. 33 - What is the purpose of an accelerating relay?Ch. 33 - When is it most important to use decelerating...Ch. 33 - Why are different motor connections shown for what...Ch. 33 - How many windings are required for three-speed...
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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
- Determine the eigenvalues and eigenvectors of using A = ( 1 -3 3 3 -5 3 6-64 Gauss eliminationarrow_forward5) A circuit is given as shown (a) Find currents i₁, L2 and is . (6) Find voltages V, V2, V3 and Vy (c) For each circuit element in the circuit and the two sources, state whether they are ABSORBING SUPPLYING POWER and how much power is absorbed or supplied. + V₁ CIE, 1A +2V- C/E AS 1A + - 4A Vy+ CES CIES 2A4 + IOV +- + + V2 1 434 12V GVarrow_forwardDetermine the eigenvalues and eigenvectors of using Gauss A = -3 322 20 132 -3° 10 -2 4 eliminationarrow_forward
- Can you please help me with this problem?arrow_forwardConsider the following transformer circuit assuming an ideal transformer. In this circuit the signal generator will provide a 10-Volt peak-to-peak sinusoidal signal at a frequency of 1.0 kHz. Assume that L₁ = 0.65 H, L2 = 0.00492 H (=4.92 mH) and that the coupling constant = 0.99925. + VG1( R1 1k N1:N2 11.5:1 12 V1 N1 N2 V2 R2 8.2 1) Find the following using the theory presented in the prelab reading: a) Start with Equations (2) of the prelab reading and show that the input impedance to an ideal transformer is given by the equation for Z1 (=V1/11) in Equations (4) of the prelab reading. Equations (2) are: V₁ = joLI₁ + jœMI₂ and V₂ = j@MI₁ +j@L₂I₂ The equation for the input impedance is: Z₁ = 1½ = jwL₁ + (WM)² jwL₂+ZL b) Assuming that Z is a real impedance, find the equations for the real and imaginary parts of Z1. c) Use your equations from part (b) to calculate the value of the input impedance (Z) at an operating frequency of 200 Hz. Assume that the load impedance is 8.2 Ohms…arrow_forwardUse: R1 = 1.5K, R2 = 5K, R3 = 1K, R4 = 2K, R5 = 2K, R6 = 1K. 40%: Find the value for Vs (in V) such as IR2 = 1mA. 40%: Find the voltage VD. 20%: simulate the circuit in Falstad (attach the link). A 1,5k B R1 Vs L 5k P2 R2 R6 E C R3 С IR2= 1mA D H4 R4 2k 2k R5arrow_forward
- The joint pdf of random variables X=1, 2 and Y=1,2,3 is Y P(X,Y)= X [0.105 0.2 0.15] 0.151 0.18arrow_forwardFind the eigenvalues and the corresponding eigen vectors of the following matrix: -5 A = [ 21 -7 4]arrow_forward+ 2) Acircuit is given as shown. (a) Find and label the circuit nodes (6) Determine voltages V₁, V2, V3 and Vy 4V C/E 노동 + 051 V4 + C/E + 3V- + /E5V 1 av + C E uk لا + V3C/E CIE + E6V -arrow_forward
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