Apparatus Section 4: Alternating-current Transformer: Regulation

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Source Metadata

Field	Value
Source	Theoretical Elements of Electrical Engineering
Year	1915
Section ID	`theoretical-elements-electrical-engineering-section-101`
Location	lines 17538-18397
Status	candidate
Word Count	1793
Equation Candidates In Section	0
Figure Candidates In Section	1
Quote Candidates In Section	0

Opening Source Excerpt

IV. Regulation 115. As primary and secondary winding of the transformer can- not occupy the same space, and in addition some insulation — more or less depending on the voltage — must be between them, there is thus a space between primary and secondary through which the primary current can send magnetic flux which does not interlink with the secondary winding, but is a self-induc- tive or leakage flux and in the same manner the secondary current sends self-inductive or leakage flux through the space between primary and secondary winding. These fluxes give rise to the self -inductive or leakage reactances x\ and Xz of the transformer. Or in other words, two paths exist for magnetic flux in the transformer: the path surrounding primary and secondary coils, through which flows the mutual magnetic flux of

Source-Located Theme Snippets

Impedance / reactance

... ng, but is a self-induc- tive or leakage flux and in the same manner the secondary current sends self-inductive or leakage flux through the space between primary and secondary winding. These fluxes give rise to the self -inductive or leakage reactances x\ and Xz of the transformer. Or in other words, two paths exist for magnetic flux in the transformer: the path surrounding primary and secondary coils, through which flows the mutual magnetic flux of the transformer, which is the useful ...

Magnetism

... f the transformer can- not occupy the same space, and in addition some insulation — more or less depending on the voltage — must be between them, there is thus a space between primary and secondary through which the primary current can send magnetic flux which does not interlink with the secondary winding, but is a self-induc- tive or leakage flux and in the same manner the secondary current sends self-inductive or leakage flux through the space between primary and secondary winding. Th ...

Complex quantities

... inked with one wind- ing only, but not the other one. The latter flux thus does not transmit power, but consumes reactive voltage and thereby pro- duces a voltage drop and a lag of the current behind the voltage, that is, is in general objectionable. The mutual magnetic flux passes through a closed magnetic circuit, with the (vector) difference between primary and second- ary current, that is, the exciting current J0 = /i as m.m.f. The self-inductive flux passes through an open ...

Alternating current

IV. Regulation 115. As primary and secondary winding of the transformer can- not occupy the same space, and in addition some insulation — more or less depending on the voltage — must be between them, there is thus a space between primary and secondary through which the primary current can send magnetic flux which does not interlink with the ...

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Ether	1	seeded
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ether	1	seeded

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Figure Candidates

Candidate ID	OCR / PDF-Text Candidate	Source Location
`theoretical-elements-electrical-engineering-fig-161`	the coils, it follows that in Fig. 162 the leakage flux interlinked with each turn of each winding, and thus the reactance of the transformer, is materially less than one-quarte…	line 18391

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Modern Engineering Reading Prompts

Impedance / reactance: Translate historical opposition terms into modern impedance, admittance, conductance, susceptance, and complex-plane notation.
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