A good material for the poles of a pmdc motor should have the apposite of the above. The different types of potential transformer are shown below in the figure. They are mostly used in heavy constructions and manufacturing of heavy equipment industries. Most broadly, the category of devices called hydraulic motors has sometimes included those that run on hydropower namely, water engines and water motors but in todays. Singlephase motors are generally built in the fractionalhorsepower range and may be classified into the following four basic types. Electric motors presentation on types and classification 1. Different types of electric motors and their applications elprocus. Electric motors operate on three different physical principles. Rotates a number of degrees with each electric pulse. The working of the synchronous motor mainly depends on the 3phase supply. The types of ac motors mainly include synchronous, asynchronous, induction motor.
Postscript files are often created for a specific device and will generate postscript errors if sent to another device. The different types of bdc motors are distinguished by the construction of the stator or the way the electromagnetic windings are connected to the power source. Thank you for downloading introduction to stepper motors. Classification of electric motors electrical knowhow. Basically, there are three types of electric motors, ac motors like synchronous and asynchronous motors, dc motors like brushed and brushless and special purpose motors. The hydraulic motor is the rotary counterpart of the hydraulic cylinder as a linear actuator. How it was originally created also defines whether the content of the pdf text, images, tables can be accessed or whether it is locked in an image of the page. Electrical motor types classification and history of.
Focus on the different types of motors used in industry. Most larger dc motors are of the dynamo type, which have stator windings. Brushless motors overview there are different types of brushless motors. A dc motor is any of a class of rotary electrical motors that converts direct current electrical energy into mechanical energy. When planning a motion control system, the choice of motor is extremely important. By using a linear encoder, position is directly measured from the load and this again increases the accuracy of the position measurement. The most common form of motor which is used in everyday life. An ac motor of this type may be part of a pump or fan or. Essential information on motor nameplate website 28. In this paper, different electric motors are studied and compared to see the benefits of each motor and the one that is more suitable to be used in the electric vehicle ev applications.
Based on this characteristics the motor can be chosen for a specified application. Legally binding document step out from the old to the newjawaharlal nehru invent a new india using knowledge. Introduction to stepper motors microchip technology. Types of stepper motors hello, my name is marc mccomb, i am a technical training engineer here at microchip technology in the security, microcontroller and technology division. When this is a motor requirement, it must be specified with the order. This motor is used when large starting torque is required.
Permanent magnet synchronous motors 350 hysteresis motors 351 reluctance motors 351 controlledspeed synchronous motor drives 352 openloop inverterfed synchronous motor drives 353 selfsynchronous closedloop operation 354 operating characteristics and control 355 brushless d. Different types of electric motors and their applications. A dc servo motor is an assembly of four major components, namely a dc motor, a position sensing device, a gear assembly, and a control circuit. Introduction to stepper motors slide 1 introduction to stepper motors part 1. Pdf format this file type includes high resolution graphics and schematics when applicable. Motors that require 50 and 60 hz operation of the same motor are nonnema defined motors and will be nameplated as such. The characteristics of a shunt motor reveal that it is an approximately constant speed motor. These are the most common type of ac motor and important in industry due to their load capacity with singlephase induction motors being used. Pdf comparative study of using different electric motors.
These tables include the file formats that adobe acrobat and adobe reader support for various functions. Vehicle types and components visual glossary of terms other terms a guide to specific names and terms used in the construction of motor vehicles and components, suitable for firerescue interpretation for extrication training. Differentiate between the various types of generating electric power stations. Types of dc motors separately excited motor shunt excited motor series excited motor compound excited motor permanent magnet pm motor. Most windows applications that have a print command can convert files to pdf using the adobe pdf printer in the applications print dialog box. Types of dc servo motors include series motors, shunt control motor, split series motor, and permanent magnet shunt motor. The output torque of an electrical motor depends on the intensity of the rotor and stator. For more information on settings and options when importing and converting files, see acrobat help. There are many different electrical motors, but this thesis and the course that. Apart from the four basic types of motor mentioned above, there are several types of special electrical motors like linear induction motor lim, stepper motor, servo motor etc with special features that has been developed according to the needs of the industry or for a particular particular gadget like the use of hysteresis motor in hand watches because of its compactness. Ok, lets take a short overview of twelve most basic motor types used for different industrial electric drives.
Generally speaking, there are three different types of. Top 12 different types of cranes used in construction works. An electric motor is an electrical machine that converts electrical energy into mechanical. So these motors are used in fans, blowers, centrifugal pumps, washing machine, grinder, lathes, air conditioning fans, etc. These types of motors have different outer cage arrangements, depending upon the usage or any special industrial requirement. Lathes, drills, boring mills, shapers, spinning, and weaving machines series motor. Helicopters are very common in manned aviation, but are rarely used in the drone community single rotor helicopter drones generate thrust more efficiently over multirotors, and can be powered by a. Introduction the threephase induction motor is the extensively used for various kinds of industrial drives. There are numerous ways to design a motor, thus there are many different types of motors and each type possess different operating characteristics. Mostafa elshahed objectives learn a brief history of the electrical power systems construction.
The bearings hold the rotating shaft to the motor frame. Spur gear this is a cylindrical shaped gear in which the teeth are parallel to the axis. The rotor and stator are each connected from a different power supply, this gives another degree of freedom for controlling the motor over the shunt. There are many types of motors are available in todays market, but mostly tiny pager. Electric motors an introductory guide to electric motors for chemical engineers 2. In most cases, the considerations can be extended to the other types. Electromagnetic it is a wire wound transformer capacitor capacitor voltage transformer cvt uses capacitor voltage divider optical works on the electrical property if optical materials. It has the largest applications and, also, it is the easiest to manufacture. An induction motor also known as an asynchronous motor is a commonly used ac electric motor. Because of the magnetic field, the armature winding uses energy to generate an adequate torque to make the motor shaft turn. Motor selection is the least understood concept for robotics hobbyists which require strategizing and serious analysis.
An electric motor is an electromechanical device that converts electrical energy into mechanical energy. In an induction motor, the electric current in the rotor needed to produce torque is obtained via electromagnetic induction. Crane is a powerful and heavy machine which is used for lifting, lowering of heavy objects, machinery etc with the help of cables and pulleys. They can do its commutation mechanically, in the brushes, what generates. The most common types rely on the forces produced by magnetic fields. For motors used in gas and oil terminals, the casing must be of intrinsically safe, thus it may either have a enclosed casing or a pipe ventilated arrangement such that the sparks produced inside. Induction motors for different types of driven equipment number of amendments. We will try to explain the main types of motors and for this explanation, i am calling md mukhlesur rahman and. Ac induction motors are also the most common motors used in main powered home appliances. A hydraulic motor is a mechanical actuator that converts hydraulic pressure and flow into torque and angular displacement.
It involves in determining robot speed, acceleration, torque requirements based on robot weight, wheel size and application where it is to be implemented. Variable frequency operation motors are available for use on variable frequency inverters. Different types of motors delta performance marine. The control for linear motors is identical to rotary motors.
Split phase induction motors have low starting current and moderate starting torque. The rotor and stator windings are connected in parallel. Electric motors presentation on types and classification. These motors are available in the size ranging from 120 to 12 kw. The motor must align with the purpose and overall performance goals of the system. Singlephase induction motors i splitphase type ii capacitor start type iii capacitor start capacitor run type v shadedpole type 2. The stator in the electric motor generates the field current which rotates in a stable speed based on the ac frequency. Capacitor start im and capacitor start capacitor run im. List and describe the more commonly used equipment in an electric substation. One end of the armature has a commutator and brushes, figure 163. When purchasing a motor, its often asked which technology is better, ac or dc, but the fact is that it is application and cost dependent. Luckily, there is a motor design suitable for any imaginable purpose. Types of transformer different types of transformer. Whether you need brute strength, blinding speed or delicate precision movement, there is a motor designed for the task.
As the name suggests, these motors have a rotating part that is energized major part is the rotor, and to energize it brushes are used. These motors have the rotor which is connected to the load. A multi rotor uses a number of rotors to generate vertical, but a single rotor uses just one, along with a tail rotor to control the heading. Pdf documents can be categorized in three different types, depending on the way the file originated. Electric motors are now more diverse and adaptable than ever before. Review different pump types commonly used understand the difference between centrifugal pumps and positive displacement pumps understand the working principle of the tuthill. Nearly all types of dc motors have some internal mechanism, either electromechanical or electronic, to periodically change the direction of current in part of the motor. Ac motors ac motors are used worldwide in many applications to transform electrical energy into mechanical energy. Presentations ppt, key, pdf logging in or signing up. Singlephase twophase threephase the presentation will describe the basics of the threephase brushless motor because it is the most common version. This manual covers squirrel cage rotor motor where.