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.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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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)
Transcribed Image Text: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.
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