The liability of the mechanical parameters such as road load resistance, gear ratio, weight of the car, tractive efforts, wheel diameter, motor gearbox. Most commonly used electrical formulas are formulas related to voltage, current, power, resistance etc. Pdf electric vehicle design, modelling and optimization. Having said that, each builder has a core of his own good practice which will be repeated as much as possible to help control engineering cost. Mechanical energy what is an electric motor an electric motor is a device converting electrical energy into mechanical energy usually a torque.
Step by step guide to design and functional basics of. Several different versions of the competition exist, ranging from gas powered ice cars to hybrid to full electric cars. Electrical vehicle design and modeling semantic scholar. In this lecture the different types of the hybrid electric vehicles are presented. Electrical circuit calculations series circuits many circuits have more than one conversion device in them i. The classic methodology for selecting an electric motor does not take into account the intensity of acceleration, which is also important in the calculation of the electric vehicle traction 6, 8 and 9. Electric vehicles ev, including battery electric vehicle bev, hybrid electric vehicle. An important component that is an integral part of all electric. An electric car carrying solar panels to power it is a solar car, and an electric car powered by a gasoline generator is a form of hybrid car. Procedure ftp75 drive cycle is as shown in figure 8. Electrical design, cable sizing and certification software. Design of an efficient, low weight battery electric vehicle based on a.
Design of an efficient, low weight battery electric vehicle based on a vw lupo 3l i. Optimal design of electric vehicle power system with the. On very high speed lifts the car requires special design to reduce noise levels and this is achieved by providing noise insulation to the car and streamlining the car to make the airflow around the car smoother. The ideal electrical design and circuit calculation software for electrical contractors, electrical consultants and electrical engineers. In all of the competitions, students build cars guided by a set of rules published each year by the society of automotive engineers 1.
Optimal design of electric vehicle power system with the principle of minimum curb mass. The term electric motorgenerator is used instead of alternator, electric motor and starter. Design and optimization of lithiumion batteries for. Introduction to electrical power requirements for buildings course no. The voltage to use for your calculations depends on the system design. This project takes a 1980 datsun 280zx and converts it to an all electric car with a dc motor and lead acid batteries. As you can see from the calculations above, the instantaneous watts needed to drive about 50 mph is about,000 watts. This paper presents the study of vehicle parameters based on simulat ion of electric vehicle.
Elevators and escalators design islamic university of gaza. Design simulation and construction of a series hybrid. A comprehensive study of key electric vehicle ev components. In principle, any electric motor can also be used as an alternator. Electric vehicles are by many seen as the cars of the future as they are very efficient, produce no local pollution, are silent, and can be used for power regulation by the grid operator. Design and analysis of a battery for a formula electric car. The battery parameters have a significant influence on other components and attributes of the vehicle, like. Pdf computation of power of a motor in electric vehicle. Plugin electric vehicle handbook for public charging station hosts 3 youve heard about the new generation of plugin electric vehicles pevs like the chevy volt and nissan leaf. Design and optimization of lithiumion batteries for electric vehicle applications by nansi xue a dissertation submitted in partial ful. This is for a basic automobile for daily use not racing or cars. Electrical formulas play a great role in finding the parameter value in any electrical circuits. The handbook contains a wide array of topics and each topic is written by an authority on the subject. The internal height within the car must be at least 1980mm.
Design simulation and construction of a series hybrid electric vehicle. So to drive your car strictly on a generator at a steady speed, your would need a. The battery parameters have a significant influence on other. The liability of the mechanical parameters such as road load resistance, gear ratio, weight of the car. Design of electrical powertrain for chalmers formula student with focus on 4wd versus rwd and regenerative. Tutorial on how to calculate the main parameters of an electric vehicle ev battery pack energy, capacity, volume and mass.
Design of an efficient, low weight battery electric. Design and assessment of battery electric vehicle powertrain, with respect to. With power and torque demand ensured, the first carries on the calculation and configuration of dynamic parameters to minimize curb mass for energy saving. This calculator covers the basics which probably applies to 90% of the needs. Ev design battery calculation the high voltage battery it is one of the most important component of a battery electric vehicle bev.
Sizing the battery pack is made far more complicated than needed there arent that many different options. An accessible predesign calculation tool to support the. After a series of calculation and verification, we chose 3000rmp as the base. Mechanics and machine design, equations and calculators. Capitulo 2 automotive electrical circuits and wiring. Also to design a real engine, having into account all necessary calculations concerning with kinematics, dynamics and strength calculation.
After a series of calculation and verification, we chose 3000rmp as the base speed, and the comparison of the optimized results with the original are shown in table3. The following is an approximate electric power demand calculation. Evs24 international battery hybrid and fuel cell electric vehicle symposium. Automotive electrical circuits and wiring 8 101 electrolyte changes with the amount of electrical charge. Design of electrical powertrain for chalmers formula. Traction lifts the sheave is connected to an electric. This thesis describes the design of an electric powertrain for a formula student race car. The best electric car designs and latest developments in the industry, including a saltpowered electric car and rumours about an appledesigned electric vehicle.
Chapter 1 is written for those who are involved in operating, maintaining and troubleshooting electrical generators, and who want to acquire a better understanding of the principles governing the machines design. The mechanical construction from scratch of the chassis along with all necessary mechanical systems is illustrated. The simulation model consists of the following blocks. Motor torque calculations for electric vehicle saurabh chauhan abstract. Propulsion system design and sizing of an electric vehicle.
Knowing how to correctly size loads in commercial applications is an essential skill for electricians. Electrical formulas for load calculation electrical. So to drive your car strictly on a generator at a steady speed, your would need a large one in the neighborhood of 15kw. Cable design formulas calculation of cable diameters. The goal of the electric power demand calculations are to forecast the method of the electric supply of the building and to design and determine the corresponding required electrical utilities. Introduction to electrical power requirements for buildings. The design of a motor controller to control the car s speed and forwardreverse direction of motion is shown. Design and function basics of electric cars step by step for engineers when the electric. It is estimated that 25% of the total cars across the world will run on electricity by 2025. When a more powerful electric motor is used, the maximum speed is determined by the maximum rotation speed of the electric. Pdf optimal design of electric vehicle power system with the. For any type of acceleration or resistance hills the load could easily be 50 kw, and up to 100kw.
The focus in this chapter will be on the modeling and design of the power system. Design parameters calculation of a novel driveline for electric. This simulation based design strategy is proposed as a method for more rapid and cost effective design of hybrid electric. Computation of power of a motor in electric vehicle under city traffic and dynamic conditions.
User friendly interface with full and accurate cable sizing calculations to iet bs7671 and integrated electrical cad plan design. The weight reduction, the effective design and the solidity of the structure are the key objectives in order to result to the best possible product design. The power steering and power assist are reused as well as air. Thus, an electric car that derives its power from an onboard battery pack is a form of battery electric. This chapter mainly addresses the design of electric propulsion systems and energy storage devices, the design. Based on the vehicle desired performances, the electric motor power torque and output can be calculated. An introduction to electric motors stmicroelectronics. Preface the handbook of electric power calculationsprovides detailed stepbystep calculation procedures commonly encountered in electrical engineering. Fundamentals, theory, and design modern electric, hybrid. The growing environmental consciousness and seeing the adverse effects of climate change, the governments in india are supporting initiatives for development of ecofriendly mobility solutions including electric.
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