Apparatus Section 1: Alternating-current Transformer: General
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Source Metadata
Section titled “Source Metadata”| Field | Value |
|---|---|
| Source | Theoretical Elements of Electrical Engineering |
| Year | 1915 |
| Section ID | theoretical-elements-electrical-engineering-section-95 |
| Location | lines 16804-16911 |
| Status | candidate |
| Word Count | 581 |
| Equation Candidates In Section | 0 |
| Figure Candidates In Section | 0 |
| Quote Candidates In Section | 0 |
Opening Source Excerpt
Section titled “Opening Source Excerpt”I. General 110. The alternating-current transformer consists of a magnetic circuit interlinked with two electric circuits, the primary, which receives power, and the secondary, which gives out power. Since the same magnetic flux interlinks primary and second- ary turns, the same voltage is induced in every turn of the electric circuits, and the e.m.fs. induced in the primary and in the secondary winding therefore have the ratio of turns: «'i ni —r — — = a. . e'2 n2 This ratio is called the ratio of transformation. The ratio of transformation of a transformer is the ratio of turns of primary and secondary windings. In addition to the induced e.m.fs. e'i and e\, resistance r and reactance x consume voltage in primary and secondary wind- ings. The voltage consumed by the resistance represents waste ofSource-Located Theme Snippets
Section titled “Source-Located Theme Snippets”Magnetism
Section titled “Magnetism”I. General 110. The alternating-current transformer consists of a magnetic circuit interlinked with two electric circuits, the primary, which receives power, and the secondary, which gives out power. Since the same magnetic flux interlinks primary and second- ary turns, the same voltage is induced in every turn of ...Alternating current
Section titled “Alternating current”I. General 110. The alternating-current transformer consists of a magnetic circuit interlinked with two electric circuits, the primary, which receives power, and the secondary, which gives out power. Since the same magnetic flux interlinks primary and second- ary turns, the same vo ...Impedance / reactance
Section titled “Impedance / reactance”... . . e'2 n2 This ratio is called the ratio of transformation. The ratio of transformation of a transformer is the ratio of turns of primary and secondary windings. In addition to the induced e.m.fs. e'i and e\, resistance r and reactance x consume voltage in primary and secondary wind- ings. The voltage consumed by the resistance represents waste of power; the voltage consumed by reactance is wattless, but causes lag of current, that is, lowers the power factor; while the i ...Ether references
Section titled “Ether references”... tage (2300) or the voltage required by syn- chronous motor, synchronous converter, etc. From the low or medium high generator voltage to the high transmission voltage. Other occasional uses of transformers are: To electrically tie systems together, so as to permit exchange of power between them, and synchronous operation. In this case, depending on the distribution of the load in the system, either transformer winding may be primary or secondary. To break up electrically a very lar ...Chapter-Local Concept Hits
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Chapter-Local Glossary Hits
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Modern Engineering Reading Prompts
Section titled “Modern Engineering Reading Prompts”- Magnetism: Track flux, reluctance, permeability, magnetizing force, and loss language against modern magnetic-circuit terminology.
- Alternating current: Compare Steinmetz’s AC language with modern sinusoidal steady-state analysis, RMS quantities, phase, and phasor notation.
- Impedance / reactance: Translate historical opposition terms into modern impedance, admittance, conductance, susceptance, and complex-plane notation.
- Ether references: Verify exact wording before drawing conclusions. Ether language must be separated from later interpretive systems.
Ether-Field Interpretive Boundary
Section titled “Ether-Field Interpretive Boundary”- Magnetism: Centrifugal/divergent magnetic-field readings are interpretive overlays, not automatic historical claims.
- Ether references: If Steinmetz mentions ether, quote only the verified source words first; any broader ether-field synthesis belongs in a labeled interpretive layer.
Promotion Checklist
Section titled “Promotion Checklist”- Open the full source text and the scan or raw PDF.
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- Move mathematical candidates into canonical equation pages only after formula typography is corrected.
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