Electricity for Refrigeration, Heating, and Air Conditioning (10th Edition)

Chapter 7

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An AC (Alternating current) occurs due to the flow... more

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AC (alternating current) can be produced and ... more

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As a piece of electronics equipment works on DC (... more

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The given range of frequency of the alternating ... more

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Reactance opposes the changes of the alternating ... more

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The phasor sum of resistance, capacitive reactance... more

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It is a process of production of an electromotive ... more

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The power produced from the generating station is ... more

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There are four types of voltage-current ... more

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A number of currents changing their path at ... more

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The magnetic field is directly proportional to the... more

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Mostly single-phase AC is only used in residents. ... more

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The range is of the rated voltage. ; The ... more

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; AC is determined by sine waves. The wave starts... more

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The voltage-current system used can be identified ... more

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A single-phase AC consists of two hot leg power ... more

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; Three phases are used commonly in commercial ... more

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; Three phases are used commonly in commercial ... more

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Delta type three-phase voltage is used in ... more

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Voltage systems are identified by measuring the ... more

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A 480-volt system having a wye structure has a ... more

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In most industrial and commercial structures a ... more

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; In a delta system transformer hookup, the ... more

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The 208-volts system having 60 hertz and three ... more

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A 277-volts system having 60 hertz and single ... more

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