Delmar's Standard Textbook Of Electricity
7th Edition
ISBN: 9781337900348
Author: Stephen L. Herman
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
A Flyback converter (for questions 1-3) shown below has the following parameters. Vin=100V, Vo=20v,
Po=40W, D=0.25, Fsw=250kHz
iin
i out
in
1. What is the turns ratio N1:N2 between the primary side winding and the secondary side winding?
A. Ν1: N25:3
B. N1: N2 = 3:5
C. N1: N2= 5:2
D. None of the above
%3D
2. What is the maximum voltage on the power switch?
A. 120V
В. 133V
С. 100V
D. None of the above
3. What is the maximum voltage on the diode?
Α. 40V
В. 133V
C. 80V
D. None of the above
4. The magnetizing inductor at the primary side winding is 100uH, what is the peak current in the power
switch?
Α. 1.8Α
В. 1.6A
С. 2.1A
D. None of the above
What is use of solenoid coil in the pressure to converter?
a. To produce magnetic field in the LVDT
b. To change the LVDT output
c. To bring back the pivoted beam normal position
d. To produce linear displacement in bellows
A Flyback converter (for questions 1-3) shown below has the following parameters. Vin-100v, Vo-20V,
Po-ioW, D-025, Fsw-250kHz
4. The magnetizing inductor at the primary side winding is 100uH, what is the peak current in the power
switch?
A. 1.8A
B. 1.6A
C. 2.1A
D. None of the above
Chapter 34 Solutions
Delmar's Standard Textbook Of Electricity
Ch. 34 - Which NEC table is used to determine the full...Ch. 34 - A 5-HP single-phase motor is connected to 208...Ch. 34 - A 10-HP single-phase motor is connected to 240...Ch. 34 - A 75-HP synchronous motor is connected to a...Ch. 34 - A squirrel-cage induction motor has a nameplate...Ch. 34 - A squirrel-cage motor has a nameplate current...Ch. 34 - A 100-HP three-phase squirrel-cage induction motor...Ch. 34 - A 60-HP synchronous motor is connected to 240...Ch. 34 - Prob. 9RQCh. 34 - Both the motors and the feeder in Question 9 are...
Ch. 34 - A 30-HP squirrel-cage induction motor is connected...Ch. 34 - Refer to the preceding Practical Application. When...Ch. 34 - Refer to the first Practical Application in this...Ch. 34 - A 10-HP single-phase motor is connected to 240...Ch. 34 - A 500-HP synchronous motor is connected to 2300...Ch. 34 - A 30-HP three-phase squirrel-cage induction motor...Ch. 34 - A 75-HP synchronous motor is connected to a...Ch. 34 - Prob. 5PPCh. 34 - A 350-HP squirrel-cage induction motor is...Ch. 34 - Three squirrel-cage motors are connected to a...
Knowledge Booster
Learn more about
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
- A 110 V, 60 Hz, 6 – pole single phase induction motor 1/3 hp has the following equivalent circuit impedances: RI = 1.52 ohm, R2 = 3.13 ohm and x1 =2.10 ohm, x2 =1.56 ohm. Xm=58.2 ohm, The Friction, windage and stry losses =16W, the core loss = 35 W, For a slip of 0.05, calculation (a) input current, (b) power factor, (c) developed power, (d) output power, (e) speed (f) in put power (g) air gab power (h) T ind (i) T load 6) efficiency.arrow_forward14/ What are the following statements are true for a three-phase induction motor? I. Three-phase induction motor stator winding is fed from a three-phase supply II. Stator carries a three-phase winding III. Rotor carries a short circuited winding a. I and II only b. I,II and III c. II and III d. I onlyarrow_forward7- Iron loss in the rotor of a 3-phase induction motor is negligible due to (a) Very low frequency of emf induced in the rotor (c) Very low flux density in rotor parts 8- The starting current of a 3-phase induction motor is about (a) Half (c) 5 to 7 times (b) Twice (d) 8 to 10 times 9- During plugging of an induction motor (a) Phase sequence is reversed (b) A de source is connected to stator (e) One phase is open circaited (d) Power is ied back to mains 10- Direct online (D.O.L.) starter is used for induction motors (a)Less than 5 h.p. (b) Less than 10 h.p. (c) Greater than 10 h.p. (d) For any capacity (b) Very low emf induced in the rotor (d) Constant magnitude of flux linking the rotor core of its full load rated currentarrow_forward
- Differentiate between the AC and DC magnetic fields applied to an induction motor stator.arrow_forwardii)Conduct suitable tests to measure the copper loss occurs in a three phase Induction Motor.arrow_forwardA 40 hp Squirrel cage Induction-type, 230 volts rated 3 phase motor. It has a code rating of "B" and an ambient temperature of 40 degree celcius. Conductor code RHW copper will be used. Determine its conductor size.arrow_forward
- A Flyback converter (for questions 1-3) shown below has the following parameters. Vin=100V, Vo=20V, Po=40W, D=0.25, Fsw=250KHZ iout V, N1 N3 1. What is the turns ratio N1:N2 between the primary side winding and the secondary side winding? A. N1: N2 = 5: 3 B. N1: N2 = 3:5 C. N1: N2= 5:2 D. None of the above 2. What is the maximum voltage on the power switch? A. 120V В. 133V C. 100V D. None of the above 3. What is the maximum voltage on the diode? А. 40V В. 133V C. 80V D. None of the abovearrow_forwardWhat are the following statements are true for a three-phase induction motor? I. Three-phase induction motor stator winding is fed from a single-phase supply II. Stator carries a three-phase winding III. Rotor carries a short circuited winding a. I,II and III b. I only c. I and II only d. II and IIIarrow_forwardThe open circuit voltage is 14,000 volts of a 12,000 volts three- phase wye-connected turbo alternator with synchronous reactance of 5 ohms and a negligible resistance per phase. When the field current is 7A, determine the a. maximum power developed b. armature current when it developed maximum powerarrow_forward
- A 110 V, 60 Hz, 6 — pole single phase induction motor 1/3 hp has the following equivalent circuit impedances: RI = 1.52 ohm, R2 = 3.13 ohm and xl =2.10 ohm, x2 =1.56 ohm. Xm=58.2 ohm, The friction, windage and stry losses =16W, the core loss = 35 W. For a slip of 0.05, calculate (a) input current, (b) power factor, (c) developed power, (d) output power, (e) speed (f) in put power (g) air gab power (h) T ind (i) T load (j) efficiency.arrow_forwardState the types of induction motorarrow_forwardthree phase 400v (line voltage) 60 hz 6 pole star connected snkron generator per phase .It has 2 ohm synchronous reactor. the armature current of the generator at full load is 64 A with a power factor of 0.95 back. this generator has 2kW rotation loss and 1.6 kW core loss at full load. the excitation current is set to be 400 V when the generator is idle. generator current with 0.95 back power factor at full loadA) find the rotating field current of the generatorb) find the mechanical speed of the generatorc) What is the output voltaged) find the yielde) calculate voltage regulationarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
How Electric Motors Work - 3 phase AC induction motors ac motor; Author: The Engineering Mindset;https://www.youtube.com/watch?v=59HBoIXzX_c;License: Standard Youtube License