Exam (elaborations)

Introduction to electrical and computer engineering ENG1450 All Labs

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Course
ENG1450

Institution
University Of Manitoba (UManitoba )

All ENG1450 - Introduction to electrical and computer engineering – All Labs – University of Mantioba Engineering

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Uploaded on November 2, 2024
Number of pages 8
Written in 2022/2023
Type Exam (elaborations)
Contains Only questions

engineering
computer engineering
eng1450
electrical engineering computer engineering
university of manitoba engineering

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ENG 1450 Introduction to Electrical and Computer Engineering

Lab 3

AC Voltages, Transformer, Generator

Name: _______________________________

Student Number: _______________________________

Lab Section: _______________________________

Instructor: _______________________________

Date: _______________________________

Build Quality (F / W / O) _________ _________________________
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Did students clean-up after the lab? _________________________
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ENG 1450 - Lab 3 May 18, 2023-v1 Page 1

, Part A: Efficiency of Power Delivery at High Voltages
1. You want to deliver power from a power plant to a city 500 km away. Your circuit uses 2
wires (one going to the city, and one coming back), each having 12 Ω resistance over that
distance. You generate 2 GW of power and send it to the city.

a) If you transmit the power at 500,000 V (i.e. the total voltage across both wires would be
500,000 V), what is the current flowing in the wires?

I wire = ____________

b) What is the resistive power loss in the wires?

P wire loss = ____________

C) What is the efficiency of the power delivery?

____________

2. In the above example, what if you doubled the voltage and delivered the power at 1,000,000
V across both wires?

I wire = ____________

P wire loss = ____________

____________

ENG 1450 - Lab 3 May 18, 2023-v1 Page 2

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