Electricity Generation Spring, 2013 - Tom Murphy · 2013-04-24 · Electricity Generation Spring, 2013 Lecture 9 3 UCSD Physics 12 Spring 2013 9 UCSD Physics 12 Spring 2013 10 UCSD

Electricity Generation Spring, 2013

Lecture 9 1

UCSD Physics 12 UCSD Physics 12

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Electricity Generation Spring, 2013

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Electricity Generation Spring, 2013

Lecture 9 3

UCSD Physics 12

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UCSD Physics 12

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UCSD Physics 12

Spring 2013 11 High Voltage Transmission Lines Low Voltage to Consumers

step-up to 500,000 V

~5,000 Volts step-down,

back to 5,000 V

step-down to 120 V

UCSD Physics 12

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three-phase “live” wires

500,000 230,000 138,000 69,000 7–13,000 long-distance neighborhood

to house

Electricity Generation Spring, 2013

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