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This document, provided by faculty b. Allen for etch 213, introduces the concept of transformers, explaining their structure, mutual inductance, transformer action, loading, coefficients of coupling, transformer ratios, voltage ratios, power and current ratios, impedance ratio, maximum power transfer theorem, impedance matching, winding and phase, dot convention, transformer types, ratings, testing, and losses.
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Online Resource for ETCH 213 Faculty: B. Allen
Online Resource for ETCH 213 Faculty: B. Allen
Online Resource for ETCH 213 Faculty: B. Allen
Online Resource for ETCH 213 Faculty: B. Allen
Online Resource for ETCH 213 Faculty: B. Allen
Online Resource for ETCH 213 Faculty: B. Allen
S P S P N N V V =
Online Resource for ETCH 213 Faculty: B. Allen
Online Resource for ETCH 213 Faculty: B. Allen
P S S P p S s P P P V V I I N N = = =
Online Resource for ETCH 213 Faculty: B. Allen
The maximum power will be absorbed by theload from a source, when the impedance of theload is equal to the impedance of the source.
Online Resource for ETCH 213 Faculty: B. Allen
Online Resource for ETCH 213 Faculty: B. Allen
Online Resource for ETCH 213 Faculty: B. Allen
Fixed turns ratio transformersVariable turns ratio transformersCenter tapped transformersMultiple winding transformersSingle winding Transformers(autotransformers)
Online Resource for ETCH 213 Faculty: B. Allen
Online Resource for ETCH 213 Faculty: B. Allen
Copper loss – Also called I 2 R loss, it is the power lost in transformers, generators,connecting wires, and other parts of a circuitbecause of current flow (I) through theresistance (R) of the conductors.