Complete guide to energy efficient motors icpci, mumbai 1. An electric motor converts electrical power to mechanical power. A sourcebook for industry glossary here are some of the principal terms associated with motor and drive systems. The electric motor operation is based on the following points. Two types of electric motors are used in electric vehicles to provide power to the. Introduction photo from electric vehicle infrastructure training program 1. Addressing inplant electrical distribution and power quality issues. The electric motors used for automotive applications should have characteristics like high starting torque, high power density, good efficiency, etc. Pdf hybrid electric vehicles motors offer propulsion while accelerating and charge the battery pack when braking or decelerating.
Finally, a comparison between different motors is presented. These motors achieve better starting torque and running characteristics. Which electric motor is best suited for a specific application is a decision that you should best make in consultation with our experienced engineers. Protean electric is targeting both passenger vehicles and light commercials with a blank sheet electric motor design wholly dedicated to inwheel applications. For, example, size 11 mean the mounting face of the motor is 1. Electric motor system technician national occupational analysis 1999. For more, please see the ieee standard dictionary of electrical and electronics terms1. Nema sets standards for many electrical products, including motors. Electrical installation handbook protection, control and. The sequence for choosing the right electric motor is simplified by a combination of keith shaws findings and todays abundance of information both online and in catalogs. Magnetism is the force used by motors to create rotation induced magnetism on what principle does it operate. Tesla tsla owns that spotlight, and receives an astronomical valuation for its statu. What would cause an electric motor, running a table saw, to suddenly start running at a faster speed than normal.
Electric motors convert electrical energy into mechanical energy. Electric motor means nothing but which converts electrical energy into mechanical energy. Electric power consumption is rated power divided by motor efficiency. In particular, the apparatus covered by this directive are divided into the following categories according to their characteristics.
In particular, the apparatus covered by this directive are divided into the following categories according to. An electric motor works by using magnets along with coils of wire to transfer electric energy into kinetic energy. From retrofits to new vehicle designs, the freedom to add batteries, range. The tutorial is of interest to any student studying control systems and in particular the ec module d227 control system engineering. Reasons to determine motor loading most electric motors are designed to run at 50% to 100% of rated load. Industrial grade motors usually are rated for continuous duty. Pdf electric motor systems account for about 60 percent of global industrial electricity consumption and close to 70 percent of industrial electricity. Qualitative statements are avoided explicitly since the performance of an electric motor depends. Doing our part to help reduce our dependence on fossil fuels oil.
An electric actuator is basically a type of gear motor for producing torque. Water inlet water outlet ic86w airwater cooling with force ventilation system inside stator and water cooled heat exchanger. For these hours to appear on your certificate, you must. This instructable shows you the different ways to use small electric motors. A motor s efficiency tends to decrease dramatically below about 50% load. Drive electrical and electronics technical team roadmap. Sohail mirza, application manager may 10, 2010 abstract.
Motors specification of electric motors marshall wolf automation. Fundamentals of electric motors water energy toolkit. History the invention of the electric motor 18001854. Three phase motors are rated 200 volt, 230 volt, 460 volt and 575 volt. Working with the electrical systems can be challenging, yet very rewarding. The motor standards can be grouped into two major categories. In north america, the national electric manufacturers association nema sets motor standards, including what should go on the nameplate nema standard mg 110. The text that was researched and compiled contains explanations of the motor parts, theory about electromagnetism and how current is used to make an electrical motor rotate.
A general rule of thumb for electric powered flight was originated by dr. Avoid long exposure in close proximity to machinery with high noise levels. At least one of the two magnetic field is generated by a solenoid carrying a current. Overview of industrial motor control systems tutorial. Induction motor mainly uses electromagnetic induction for changing the energy from electric to mechanical. Here is the sequence that i use to help people select the right motor class. Generators, motors, transformers, and solenoids each use the principle of electromagnetism. Watt meters measure power input not watts to the prop. Advertisement as weve already discussed, a generator conve.
Inwheel electric motors the packaging and integration challenges alexander fraser senior mechanical systems engineer protean electric ltd, uk abstract one of the fundamental advantages of inwheel motors is that they free up packaging space on the vehicle platform. The selection of these motors can be done based on the operation and voltage and applications. Sectorwise break up of electricity consumption in motor driven systems source. Overview of industrial motor control systems tutorial maxim. Motor efficiency requirements are set by 1992 energy policy act epact, primarily for larger motors as used in industry and hvac. Since brushless motors are around 80% 90% efficient, most of the power gets to the prop. Tema marine electric motors are compatible with zdrive, ldrive, sail drive and water jets, which means they cover power requirements of small boats to larger ships, and mega yachts 10 kw kw. I am very competent regarding wiring and circuitsrelays etc, onl. In general, the rotor of an electric motor lies within a magnetic field created by.
Free download pdf of electric motors and control systems. Jul 12, 2020 the electric motors and control systems is a subject which deals with the different types of electrical machines and how to control the machines. The directive on electromagnetic compatibility regards all the electrical and electronic apparatus as well as systems and installations containing electrical and or electronic components. Electric motor system technician national occupational analysis 1999 prepared by industry experts, under the guidance of the federal government, for red seal trades to define the national standard of. The advantages of electric propulsion can be best observed in the direct drive system, where the motor is directly connected to the propeller axis. Pdf a hybrid electric vehicle motor cooling system design. The common types of motors are given below in figure 1. Cars and other products with electric motors are becoming increasingly popular, and thats not necessarily a bad thing. Rated power depends on class of motor which considers intended duty.
Electric motor system diagnostics electric motor system diagnostics richard scott alltest pro, llc this session is eligible for 1 contact hour. Pdf electric vehicle model based on multiple recharge. Be sure the motor shaft key is captive before the motor is energized. Advertisement have you ever wondered what makes your heart beat. Maximum efficiency is usually near 75% of rated load. Introduction to automotive electrical and electronic systems. Pdf a hybrid electric vehicle motor cooling system.
Electric vehicle model based on multiple recharge system and a particular traction motor conception. You will need a motor duh,some batteries, and a paper clip. Have your badge scanned at the door attend 90% of this presentation fill out the online evaluation for this session. Electric motors ground, or electrical grounding, provides a good return path for electrons. Tutorial 2 electric actuators this is a stand alone tutorial on electric motors and actuators. Different types of electric motors and their applications. This overview of industrial motor controls highlights the differences and subsystems. Phase relation between the rotor and stator magnetic field i. Because electricity and electronic devices play such large roles in everyday life, electrical engineers earn attractive salaries and enjoy excellent job prospects. The rapid development in the field of power electronics and control techniques. Another atlantaarea tinkerer, david kennington, converted his honda civic del sol from gasoline to an ev for a different reason.
Energy efficiency with electric drive systems zvei. This is the ability to create electrical current in a conductor by moving a magnetic field past the conductor. Different types of motors used in electric vehicles. I am in need of assistance regarding electric motors. Rotates a number of degrees with each electric pulse. When the motor is coupled to equipment, ensure that system vibrations are within acceptable limit per iso 108161 to avoid failure of the motor. The motor drives the ball screw in a forward and backward motion to drive the slide room in and out. Understanding motor nameplate information nema vs iec. A hybrid electric vehicle motor cooling system design. The years 1885 until 1889 saw the invention of the threephase electric power system which is the basis for modern electrical power transmission and advanced electric motors. In addition a of motor drives fall outside this rather arbitrary classi.
There are a variety of types of electric motors are available in the market. Learn how your heart beats and the electrical impulses in your body. Electric motors control systems electric motors and control systems, first edition. As we know, an electric motor plays a vital role in every sector of the industry, and also in a wide range of applications. More cells higher voltage higher rpms, smaller prop. For many people, learning electrical systems can be a struggle. The electric motor can also be used to boost power and enhance performance like an extra charge. A single inventor for the threephase power system can not be named.
Improving motor and drive system performance department of. The comment matches the updated focus in the revised u. Electric motor system technician winder electrician apprenticeship course outline alberta 2006 defines the full scope of knowledge and skills taught during technical training. Electrical engineering is an exciting and dynamic field. The core element of the ev, apart from electric vehicle batteries, which replaces the internal combustion engines is an electric motor. Pdf electric motors control systems electric motors and. An electric motor is a device which converts electrical energy into kinetic. Alternating current is distinguished by that voltage, which. These motors achieve better starting torque and running characteristics than. No need to wait for office hours or assignments to be graded to find out where you took a wrong turn. Youll find electric actuators in a range of forms across various industrial and consumer applications. On completion of this tutorial, you should be able to do the following. In either case, congratulations on selecting one of the most fastpaced segments of the automotive industry. It can be said that the electric motor is the workhorse of industrial processes.
Maarten van werkhoven, iea 4e emsa electrical motor systems annex tpa energy advisors, the. Typically, this will make higher voltage systems more efficient. The advantages of electric propulsion can be best observed in the direct drive system, where the motor is directly connected to the propeller. The effects of electric discharge may be managed by grounding of the shaft or the use of ceramic bearings. Assessing motor and drive system operating conditions. The bodys electrical system the natural pacemaker of the heart is called the sinoatrial node. I am planning on making a electric powered vertically sliding pet door. Water outlet water inlet 6 welkon limited electric motor cooling systems. It should be recognised that some of the larger drive systems have been omitted, due to the ap. Learn about ground and the powerdistribution system, from ground wires to bare wires. This type of vehicle is well suited for the environmentally aware driver who wants better.
Handbook of electric machines infineon technologies. Electric vehicles are not something new to this world, but with the technological advancement and increased concern on controlling pollution has given it a tag of future mobility. There are factors that can vary considerably from application to application of an electric motor and should not be disregarded. The higher voltage set up will draw less current to generate the same power.
Qualitative statements are avoided explicitly since the performance of an electric motor depends strongly on the respective application purpose, electromagnetic design and control setups. In this handbook, the term electrical contractor refers to. In this chapter, we will take a closer look at electrical motors especially the squirrel cage ac motor, which is the most common motor used. The coil is positioned between two magne an electric motor works by using magnets along with coils of wire to transfer electr. Typical electrical drawing symbols and conventions. Unlike static pdf electric motors and control systems 2nd edition solution manuals or printed answer keys, our experts show you how to solve each problem stepbystep. A hybrid electric vehicle is powered by a conventional engine with an electric motor added for enhanced fuel economy and reduced emissions. Since it is rather easy to build a motor suitable for use on two voltages as long as they are in the ratio of 2to1, it is common to specify single phase motors 115230 volt. I have all the mechanical and pulleys etc worked out but am ignorant regarding small electric motors. Hints to internal structures and architectural details have been limited as far as. Principally, the motor must be capable of being the sole source of tractive power for an electric vehicle or series hybrid, but must also work alongside. Electric motors and control systems 2nd edition textbook.
1206 195 1377 1460 1577 1627 986 685 1270 1609 427 1300 138 138 1074 406 1241 1264 200 820 1097 1546 194 50 723 1543 210 9 858 144 1049 1628 1037 660 1146 1436 1360 169 667