Electric motor system pdf

Electric motors control systems electric motors and control systems, first edition. A single inventor for the threephase power system can not be named. Electric motor system technician national occupational analysis 1999. Electric vehicle model based on multiple recharge system and a particular traction motor conception. Have your badge scanned at the door attend 90% of this presentation fill out the online evaluation for this session. Watt meters measure power input not watts to the prop. History the invention of the electric motor 18001854. No need to wait for office hours or assignments to be graded to find out where you took a wrong turn.

Maarten van werkhoven, iea 4e emsa electrical motor systems annex tpa energy advisors, the. Sohail mirza, application manager may 10, 2010 abstract. Two types of electric motors are used in electric vehicles to provide power to the. An electric motor is a device which converts electrical energy into kinetic.

Be sure the motor shaft key is captive before the motor is energized. In north america, the national electric manufacturers association nema sets motor standards, including what should go on the nameplate nema standard mg 110. Introduction photo from electric vehicle infrastructure training program 1. Youll find electric actuators in a range of forms across various industrial and consumer applications. The tutorial is of interest to any student studying control systems and in particular the ec module d227 control system engineering.

Handbook of electric machines infineon technologies. Pdf electric motor systems account for about 60 percent of global industrial electricity consumption and close to 70 percent of industrial electricity. For, example, size 11 mean the mounting face of the motor is 1. Electric motor system diagnostics electric motor system diagnostics richard scott alltest pro, llc this session is eligible for 1 contact hour. Different types of motors used in electric vehicles.

Qualitative statements are avoided explicitly since the performance of an electric motor depends strongly on the respective application purpose, electromagnetic design and control setups. 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. On completion of this tutorial, you should be able to do the following. Energy efficiency with electric drive systems zvei. This instructable shows you the different ways to use small electric motors. 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. At least one of the two magnetic field is generated by a solenoid carrying a current. Industrial grade motors usually are rated for continuous duty. Electric motors ground, or electrical grounding, provides a good return path for electrons. I have all the mechanical and pulleys etc worked out but am ignorant regarding small electric motors. The bodys electrical system the natural pacemaker of the heart is called the sinoatrial node.

A sourcebook for industry glossary here are some of the principal terms associated with motor and drive systems. Generators, motors, transformers, and solenoids each use the principle of electromagnetism. 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 higher voltage set up will draw less current to generate the same power. Advertisement as weve already discussed, a generator conve. I am very competent regarding wiring and circuitsrelays etc, onl. Pdf hybrid electric vehicles motors offer propulsion while accelerating and charge the battery pack when braking or decelerating. Drive electrical and electronics technical team roadmap. I am in need of assistance regarding electric motors. The comment matches the updated focus in the revised u. 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 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.

Learn how your heart beats and the electrical impulses in your body. 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. A motor s efficiency tends to decrease dramatically below about 50% load. There are a variety of types of electric motors are available in the market. Three phase motors are rated 200 volt, 230 volt, 460 volt and 575 volt. 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. The electric motor operation is based on the following points. Working with the electrical systems can be challenging, yet very rewarding. As we know, an electric motor plays a vital role in every sector of the industry, and also in a wide range of applications. You will need a motor duh,some batteries, and a paper clip. For many people, learning electrical systems can be a struggle.

Which electric motor is best suited for a specific application is a decision that you should best make in consultation with our experienced engineers. The effects of electric discharge may be managed by grounding of the shaft or the use of ceramic bearings. The motor standards can be grouped into two major categories. Typical electrical drawing symbols and conventions. In general, the rotor of an electric motor lies within a magnetic field created by. Phase relation between the rotor and stator magnetic field i.

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. Complete guide to energy efficient motors icpci, mumbai 1. Reasons to determine motor loading most electric motors are designed to run at 50% to 100% of rated load. Improving motor and drive system performance department of.

Avoid long exposure in close proximity to machinery with high noise levels. The common types of motors are given below in figure 1. Here is the sequence that i use to help people select the right motor class. Assessing motor and drive system operating conditions. Overview of industrial motor control systems tutorial. Cars and other products with electric motors are becoming increasingly popular, and thats not necessarily a bad thing. Sectorwise break up of electricity consumption in motor driven systems source. Induction motor mainly uses electromagnetic induction for changing the energy from electric to mechanical. These motors achieve better starting torque and running characteristics than. Fundamentals of electric motors water energy toolkit. More cells higher voltage higher rpms, smaller prop. Thus, a 10horsepower hp motor has an acceptable load range of 5 to 10 hp. Rated power depends on class of motor which considers intended duty.

Electric power consumption is rated power divided by motor efficiency. Finally, a comparison between different motors is presented. Motor efficiency requirements are set by 1992 energy policy act epact, primarily for larger motors as used in industry and hvac. They offer drivers plenty of advantages compared to traditional engines, ranging from saving money to requiring minimal. Overview of industrial motor control systems tutorial maxim. Addressing inplant electrical distribution and power quality issues. Electrical installation handbook protection, control and. Pdf a hybrid electric vehicle motor cooling system design. Tesla tsla owns that spotlight, and receives an astronomical valuation for its statu. An electric motor works by using magnets along with coils of wire to transfer electric energy into kinetic energy. Pdf electric motors control systems electric motors and. The rapid development in the field of power electronics and control techniques has created a space for various types of electric motors to be used in electric vehicles. 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.

Electric motor means nothing but which converts electrical energy into mechanical energy. Electric motors convert electrical energy into mechanical energy. Introduction to automotive electrical and electronic systems. 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. Electric motor system technician winder electrician apprenticeship course outline alberta 2006 defines the full scope of knowledge and skills taught during technical training. Understanding motor nameplate information nema vs iec. Protean electric is targeting both passenger vehicles and light commercials with a blank sheet electric motor design wholly dedicated to inwheel applications. Different types of electric motors and their applications.

Water inlet water outlet ic86w airwater cooling with force ventilation system inside stator and water cooled heat exchanger. In particular, the apparatus covered by this directive are divided into the following categories according to. Maximum efficiency is usually near 75% of rated load. It can be said that the electric motor is the workhorse of industrial processes. A hybrid electric vehicle motor cooling system design. Alternating current is distinguished by that voltage, which. From retrofits to new vehicle designs, the freedom to add batteries, range. The electric motors used for automotive applications should have characteristics like high starting torque, high power density, good efficiency, etc.

An electric motor converts electrical power to mechanical power. An electric actuator is basically a type of gear motor for producing torque. The advantages of electric propulsion can be best observed in the direct drive system, where the motor is directly connected to the propeller axis. In this handbook, the term electrical contractor refers to. Advertisement have you ever wondered what makes your heart beat. Water outlet water inlet 6 welkon limited electric motor cooling systems. The directive on electromagnetic compatibility regards all the electrical and electronic apparatus as well as systems and installations containing electrical and or electronic components. Tutorial 2 electric actuators this is a stand alone tutorial on electric motors and actuators.

These motors achieve better starting torque and running characteristics. Motors specification of electric motors marshall wolf automation. Nema sets standards for many electrical products, including motors. I am planning on making a electric powered vertically sliding pet door. Because electricity and electronic devices play such large roles in everyday life, electrical engineers earn attractive salaries and enjoy excellent job prospects.

The selection of these motors can be done based on the operation and voltage and applications. The coil is positioned between two magne an electric motor works by using magnets along with coils of wire to transfer electr. Rotates a number of degrees with each electric pulse. Typically, this will make higher voltage systems more efficient. It should be recognised that some of the larger drive systems have been omitted, due to the ap. 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. In particular, the apparatus covered by this directive are divided into the following categories according to their characteristics. Qualitative statements are avoided explicitly since the performance of an electric motor depends.

Pdf electric vehicle model based on multiple recharge. The motor drives the ball screw in a forward and backward motion to drive the slide room in and out. Since brushless motors are around 80% 90% efficient, most of the power gets to the prop. Ed ponsi when it comes to electric vehicles, general motors gm probably isnt the first name that comes to mind. Electrical engineering is an exciting and dynamic field.

This is the ability to create electrical current in a conductor by moving a magnetic field past the conductor. A general rule of thumb for electric powered flight was originated by dr. The core element of the ev, apart from electric vehicle batteries, which replaces the internal combustion engines is an electric motor. A hybrid electric vehicle is powered by a conventional engine with an electric motor added for enhanced fuel economy and reduced emissions.

For these hours to appear on your certificate, you must. Another atlantaarea tinkerer, david kennington, converted his honda civic del sol from gasoline to an ev for a different reason. 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. Free download pdf of electric motors and control systems. Hints to internal structures and architectural details have been limited as far as. For more, please see the ieee standard dictionary of electrical and electronics terms1. Doing our part to help reduce our dependence on fossil fuels oil. This type of vehicle is well suited for the environmentally aware driver who wants better.

The actuator comes equipped with an automatic clutching system. In addition a of motor drives fall outside this rather arbitrary classi. The electric motor which runs asynchronous speed is known as induction motor, and an alternate name of this motor is the asynchronous motor. Electric motors and control systems 2nd edition textbook. Learn about ground and the powerdistribution system, from ground wires to bare wires. Pdf a hybrid electric vehicle motor cooling system. In either case, congratulations on selecting one of the most fastpaced segments of the automotive industry. Magnetism is the force used by motors to create rotation induced magnetism on what principle does it operate. The advantages of electric propulsion can be best observed in the direct drive system, where the motor is directly connected to the propeller. What would cause an electric motor, running a table saw, to suddenly start running at a faster speed than normal. 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 rapid development in the field of power electronics and control techniques. This overview of industrial motor controls highlights the differences and subsystems. Tema has years of marine industry experience, and can determine what the best option is for your specific needs, create estimates, and offer a complete propulsion system with an e motor, its.