It is required to design a DC motor to run a small size electric vehicle to be used inside an airport building to help the transportation of needy people. The vehicle is supposed to carry a maximum of 4 persons at the full load speed of 60 Km/hour. The engine is driven by a 200 V battery system capable to energize the motor for 120 Km before being recharged. The efficiency of the motor must be between 85 to 90 percent. The motor shaft diameter is expected to be within (0.2 to 0.4 m). Give the size of the battery required in AH (Ampere Hour). Choose and estimate all the design characteristics of the motor. Finally display all the power flow diagram results including efficiency and speed regulation of the motor. State all assumptions taken.
It is required to design a DC motor to run a small size electric vehicle to be used inside an airport building to help the transportation of needy people. The vehicle is supposed to carry a maximum of 4 persons at the full load speed of 60 Km/hour. The engine is driven by a 200 V battery system capable to energize the motor for 120 Km before being recharged. The efficiency of the motor must be between 85 to 90 percent. The motor shaft diameter is expected to be within (0.2 to 0.4 m). Give the size of the battery required in AH (Ampere Hour). Choose and estimate all the design characteristics of the motor. Finally display all the power flow diagram results including efficiency and speed regulation of the motor. State all assumptions taken.
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter29: Dc Generators
Section: Chapter Questions
Problem 1PA: You are working as an electrician in a large steel manufacturing plant, and you are in the process...
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The weight of the car is 800 Kg
The weight of each person is 75 Kg
You may assume any missing parameters you need in the design appropriately (e.g., the rolling-resistance-power, air-resistance-power, the DC motor's parameters, ....etc)
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