26. The High Voltage (HV) coils are connected to which terminals? A. A-B and B-C В. A-C and B-D C. A-E and B-F D. E-F and G-H E. E-G and F-H 27. The Low Voltage (LV) coils are connected to which terminals? A. A-B and B-C В. A-C and B-D с. E-F and G-H D. E-G and F-H E. A-E and B-F 28. The transformer HI terminal is which of the following? A. A B. D C. E D. H E.

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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Table 1: Results of resistance test
Terminals
Measured
A BC
resistance (2)
Infinite (OC)
А -В
A - C
3.6
В -D
3.6
В-С
Infinite (OC)
E - F
9.9
Infinite (OC)
Infinite (OC)
E - G
F-G
G - H
9.9
Figure 2: Transformer terminal layout
Figure 2 above shows the terminals of an unmarked split-winding transformer. The unknown
terminals have been temporarily labelled A to H with masking tape.
To determine the high voltage and low coils, the coils were identified using a continuity tester
and their resistances measured. These results are presented in Table 1. (OC = Open Circuit)
Use the information provided in Figure 2 and Table 1 to answer the following questions.
26: The High Voltage (HV) coils are connected to which terminals?
A.
A-B and B-C
В.
A-C and B-D
С.
A-E and B-F
D.
E-F and G-H
E.
E-G and F-H
27. The Low Voltage (LV) coils are connected to which terminals?
A.
A-B and B-C
В.
A-C and B-D
C.
E-F and G-H
D.
E-G and F-H
E.
A-E and B-F
28. The transformer H1 terminal is which of the following?
A.
B.
C.
D.
E.
G.
8
Transcribed Image Text:Table 1: Results of resistance test Terminals Measured A BC resistance (2) Infinite (OC) А -В A - C 3.6 В -D 3.6 В-С Infinite (OC) E - F 9.9 Infinite (OC) Infinite (OC) E - G F-G G - H 9.9 Figure 2: Transformer terminal layout Figure 2 above shows the terminals of an unmarked split-winding transformer. The unknown terminals have been temporarily labelled A to H with masking tape. To determine the high voltage and low coils, the coils were identified using a continuity tester and their resistances measured. These results are presented in Table 1. (OC = Open Circuit) Use the information provided in Figure 2 and Table 1 to answer the following questions. 26: The High Voltage (HV) coils are connected to which terminals? A. A-B and B-C В. A-C and B-D С. A-E and B-F D. E-F and G-H E. E-G and F-H 27. The Low Voltage (LV) coils are connected to which terminals? A. A-B and B-C В. A-C and B-D C. E-F and G-H D. E-G and F-H E. A-E and B-F 28. The transformer H1 terminal is which of the following? A. B. C. D. E. G. 8
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