Electric Motor Control - 10th Edition - by Herman - ISBN 9781133702818
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Electric Motor Control
10th Edition
Publisher: CENGAGE L
ISBN: 9781133702818

Solutions for Electric Motor Control

Browse All Chapters of This Textbook

Chapter 11 - Float SwitchesChapter 12 - Flow SwitchesChapter 13 - Limit Switches And Proximity ControlChapter 14 - Phase Failure RelaysChapter 15 - Solenoid ValvesChapter 16 - Temperature SwitchesChapter 17 - Two-wire ControlsChapter 18 - Three-wire And Separate ControlsChapter 19 - Hand-off Automatic ControlsChapter 20 - Multiple Push-button StationsChapter 21 - Interlocking Methods For Reversing ControlChapter 22 - Sequence ControlChapter 23 - Jogging (inching) Control CircuitsChapter 24 - Time-delay, Low-voltage Release RelayChapter 25 - The Motor And Starting MethodsChapter 26 - Primary Resistor-type StartersChapter 27 - Autotransformer StartersChapter 28 - Part Winding Motor StartersChapter 29 - Automatic Starters For Star-delta MotorsChapter 30 - Ac Solid-state Reduced Voltage ControllerChapter 31 - Controllers For Two-speed, Two-winding (separate Winding) MotorsChapter 32 - Two-speed, One-winding (consequent Pole) Motor ControllersChapter 33 - Four-speed, Two-winding (consequent Pole) Motor ControllersChapter 34 - Wound Rotor Motors And Manual Speed ControlChapter 35 - Push-button Speed SelectionChapter 36 - Automatic Acceleration For Wound Rotor MotorsChapter 37 - Automatic Speed Control For Wound Rotor MotorsChapter 38 - Solid-state Adjustable Speed Controller For Ac Wound Rotor MotorsChapter 39 - Synchronous Motor OperationChapter 40 - Push-button SynchronizingChapter 41 - Timed Semiautomatic SynchronizingChapter 42 - Synchronous Automatic Motor StarterChapter 43 - About Dc MotorsChapter 44 - Use Of Reduced Voltage For StartingChapter 45 - Across-the-line StartingChapter 46 - Compensating And Definite Time Control StartingChapter 47 - Solid-state Adjustable Speed ControlChapter 48 - PluggingChapter 49 - Electric BrakesChapter 50 - Dynamic And Regenerative BrakingChapter 51 - Electric And Electronic BrakingChapter 52 - Direct Drives And Pulley DrivesChapter 53 - Gear MotorsChapter 54 - Variable-frequency Mechanical DrivesChapter 55 - Ac Adjustable Frequency DrivesChapter 56 - Magnetic Clutch And Magnetic DriveChapter 57 - Dc Variable-speed Control-motor DrivesChapter 58 - Programmable And Motion ControlChapter 59 - Motor Startup And Troubleshooting BasicsChapter 60 - Troubleshooting Techniques

Book Details

Updated with the latest technology, machines, and controls in the industry, ELECTRIC MOTOR CONTROL, 10E delivers comprehensive coverage and practical insight for anyone who will install, monitor, and/or maintain motor controls. Extremely reader friendly, the book begins by introducing the simplest of equipment and then helps you build on your knowledge as you learn step by step how to draw and interpret motor control schematic diagrams. Subsequent units offer detailed coverage of motor control components and how they are connected to form complete control circuits. The book ends with troubleshooting techniques that provide real-world practice.

Sample Solutions for this Textbook

We offer sample solutions for Electric Motor Control homework problems. See examples below:

Chapter 10, Problem 1SQDiscussion: Float switches are used to start or stop a pump motor according to the changes in the...A flow switch is a device that can be placed into a pipe so that when an air or liquid flows against...Chapter 13, Problem 1SQChapter 14, Problem 1SQChapter 15, Problem 1SQChapter 16, Problem 1SQA two-wire control circuit can be a pressure switch, toggle switch, simple switch, limit switch,...Chapter 18, Problem 1SQIf the contacts of the selector switch and automatic pilot device are large enough to pass the...Chapter 20, Problem 1SQChapter 21, Problem 1SQChapter 22, Problem 1SQChapter 23, Problem 1SQChapter 24, Problem 1SQGenerally, the polyphase induction motor is a self-starting motor. The commonly used starting...Chapter 26, Problem 1SQChapter 27, Problem 1SQPart winding motor: The part winding motor has two sets of identical windings which are connected in...Chapter 29, Problem 1SQChapter 30, Problem 1SQChapter 31, Problem 1SQGiven data: The electrical degree is θe=360°. The number of poles in the system P is 2. Formula...Refer to Figure 33-2 in the Textbook, which illustrates the common motor connections of the...Chapter 34, Problem 1SQRefer to Figure 35–1 in the textbook shows the push-button speed selection for a wound rotor motor...Chapter 36, Problem 1SQGiven data: The number of poles per phase (p) is 6. The frequency of the motor (f) is 60 Hz. Formula...Chapter 38, Problem 1SQAn independent field is established around the rotor, which is energized by a direct current through...Chapter 40, Problem 1SQChapter 41, Problem 1SQChapter 42, Problem 1SQDC motor: A DC motor is an electrical rotary machine that is used to convert electrical power into...A starter is an electrical device used to start and accelerate a motor. It is used to limit the...Small DC motors can be started by connecting directly across the line with the help of a switch or a...In DC motor, the generated counter electromotive force is proportional to the speed of the motor for...DC motors are highly used in industries due to its versatility property. DC motors provide torque at...Chapter 48, Problem 1SQAn electric brake also known as magnetic brake which consists of two friction surfaces or shoes that...A motor cannot be completely stopped by applying the dynamic braking alone. In dynamic braking...Discussion: A DC dynamic brake is a single phase braking used in various induction motors. It...Chapter 52, Problem 1SQDiscussion: The reasons for the usage of gear motors in many industrial machines instead of low rpm...Discussion: The squirrel cage induction motor’s speed depends on the frequency of the supply current...Discussion: The three-phase AC motors work on the principle of rotating magnetic field (RMF). When...Discussion: The clutches provide smooth start for the motors and engage the large motors to their...Discussion: The base speed of a DC motor is the speed attained by a motor at rated armature voltage,...Discussion: A solid-state, electronic microprocessor-based control system is known as a programmable...Discussion: The electrical machinery is usually operated with high voltage and the rotational...Chapter 60, Problem 1SQ