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Refer to Figure I on Worksheet I, to answer numbers 18 through 27 based on the fact that it is a 240/480V, 120/240V, 4 kVA single-phase transformer. AC R1 Figure I AB RE

Refer to Figure I on Worksheet I, to answer numbers 18 through 27 based on the fact that it is a 240/480V, 120/240V, 4 kVA single-phase transformer. AC R1 Figure I AB RE

Electric Motor Control
Electric Motor Control
10th Edition
ISBN:9781133702818
Author:Herman
Publisher:Herman
Chapter4: Symbols
Section: Chapter Questions
Problem 7SQ: The symbol shown is a(n) a. iron core transformer. b. auto transformer. c. current transformer. d....
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Refer to FigureI on Worksheet 1, to answer numbers 18 through 27 based on the fact that it is a 240/480V, 120/240V, 4 kVA single-phase transformer. AC RI Figure I AB BC RE
Transcribed Image Text:Refer to FigureI on Worksheet 1, to answer numbers 18 through 27 based on the fact that it is a 240/480V, 120/240V, 4 kVA single-phase transformer. AC RI Figure I AB BC RE
23. What is the total kVA on the secondary side of the transformer in Figure 1, Worksheet 1, if both resistive loads, R1 and R2 are 10 2 each? a) 9.6 kVA b) 1.44 kVA c) 2.88 kVA d) none of the above 24. What is the total kVA on the primary side of the transformer in Figure 1, Worksheet 1, if both resistive loads, RI and R2 are 10 each? Assume the transformer to be 100% efficient. a) 9.6 kVA b) 1.44 kVA c) 2.88 kVA d) none of the above 25. If resistor R1 is 15 2 and resistor R2 is 10 2 in Figure 1, Worksheet 1, what would be the current in .... A) line A? a) OA b) 4A c) 8A d) 12A B) line B? a) 0A b) 4A c) 8A d) 12A C) line C? a) OA b) 4A c) d) 12A 8A
Transcribed Image Text:23. What is the total kVA on the secondary side of the transformer in Figure 1, Worksheet 1, if both resistive loads, R1 and R2 are 10 2 each? a) 9.6 kVA b) 1.44 kVA c) 2.88 kVA d) none of the above 24. What is the total kVA on the primary side of the transformer in Figure 1, Worksheet 1, if both resistive loads, RI and R2 are 10 each? Assume the transformer to be 100% efficient. a) 9.6 kVA b) 1.44 kVA c) 2.88 kVA d) none of the above 25. If resistor R1 is 15 2 and resistor R2 is 10 2 in Figure 1, Worksheet 1, what would be the current in .... A) line A? a) OA b) 4A c) 8A d) 12A B) line B? a) 0A b) 4A c) 8A d) 12A C) line C? a) OA b) 4A c) d) 12A 8A
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