Chapter 23: Review
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Source Metadata
Section titled “Source Metadata”| Field | Value |
|---|---|
| Source | Theory and Calculation of Electric Apparatus |
| Year | 1917 |
| Section ID | theory-calculation-electric-apparatus-chapter-21 |
| Location | lines 32138-32819 |
| Status | candidate |
| Word Count | 4333 |
| Equation Candidates In Section | 0 |
| Figure Candidates In Section | 0 |
| Quote Candidates In Section | 0 |
Opening Source Excerpt
Section titled “Opening Source Excerpt”CHAPTER XXIII REVIEW 263. In reviewing the numerous types of apparatus, methods of construction and of operation, discussed in the preceding, an alphabetical list of them is given in the following, comprising name, definition, principal characteristics, advantages and dis- advantages, and the paragraph in which they are discussed. Alexanderson High-frequency Inductor Alternator. — 159. Comprises an inductor disk of very many teeth, revolving at very high speed between two radial armatures. Used for producing very high frequencies, from 20,000 to 200,000 cycles per second. Amortisseur. — Squirrel-cage winding in the pole faces of the synchronous machine, proposed by Leblanc to oppose the hunt- ing tendency, and extensively used. Amplifier. — 161. An apparatus to intensify telephone and radio telephone currents. High-frequency inductor alternator excited by the telephone current, usually by armature reaction through capacity. TheSource-Located Theme Snippets
Section titled “Source-Located Theme Snippets”Radiation / light
Section titled “Radiation / light”... ds of construction and of operation, discussed in the preceding, an alphabetical list of them is given in the following, comprising name, definition, principal characteristics, advantages and dis- advantages, and the paragraph in which they are discussed. Alexanderson High-frequency Inductor Alternator. — 159. Comprises an inductor disk of very many teeth, revolving at very high speed between two radial armatures. Used for producing very high frequencies, from 20,000 to 200,000 cycles per second. Amortisseur. — Squirrel-cage winding in the pole faces o ...Field language
Section titled “Field language”... d. 459 400 ELECTRICAL APPARATUS Brush Arc Machine. — (Sec1 "Are Machines.'1} Compound Alternator. — 138. Alternator with rectifying com- mutator, connected in Beriea to the armature, either con- ductive!}-, or inductively through transformer, and exciting a scries field winding by the rectified current. The limitation of l he power, which can be rectified, and the need of readjusting the brushes with a change of the inductivity of the load, hasmade njGfl compounding unsuitahie for the modern high-power altcrnu- ton. Condenser Motor. — 77 ...Magnetism
Section titled “Magnetism”... starting. Eickemeyer Inductively Compensated Single-phase Series Motor. — 193. Single-phase commutating machine with series field and inductive compensating winding. Eickemeyer Inductor Alternator. — 160. Inductor alternator with field coils parallel to shaft, so that the magnetic flux disposi- tion is that of a bipolar or multipolar machine, in which the multitooth inductor takes the place of the armature of the stand- ard machine. Voltage induction then takes place in armature coils in the pole faces, and the magnetic flux in the inductor re- verse ...Dielectricity / capacity
Section titled “Dielectricity / capacity”... achine, proposed by Leblanc to oppose the hunt- ing tendency, and extensively used. Amplifier. — 161. An apparatus to intensify telephone and radio telephone currents. High-frequency inductor alternator excited by the telephone current, usually by armature reaction through capacity. The generated current is then rectified, be- fore transmission in long-distance telephony, after transmission in radio telephony. Arc Machines. — 138. Constant-current generators, usually direct-current, with rectifying commutators. The last and most extensively used arc ...Chapter-Local Concept Hits
Section titled “Chapter-Local Concept Hits”| Concept Candidate | Hits In Section | Status |
|---|---|---|
| Frequency | 37 | seeded |
| Light | 5 | seeded |
| Ether | 1 | seeded |
Chapter-Local Glossary Hits
Section titled “Chapter-Local Glossary Hits”| Term Candidate | Hits In Section | Status |
|---|---|---|
| ether | 1 | seeded |
Equation Candidates
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| No chapter-local candidates yet | - | - |
Figure Candidates
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Hidden-Gem Quote Candidates
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Modern Engineering Reading Prompts
Section titled “Modern Engineering Reading Prompts”- Radiation / light: Compare the chapter’s radiation vocabulary with modern electromagnetic radiation, spectral frequency, wavelength, absorption, and illumination engineering.
- Field language: Read for whether field language is mechanical, geometrical, causal, descriptive, or simply a convenient engineering model.
- Magnetism: Track flux, reluctance, permeability, magnetizing force, and loss language against modern magnetic-circuit terminology.
- Dielectricity / capacity: Check whether the passage treats capacity, condensers, displacement, or dielectric stress as field storage rather than only circuit algebra.
- Alternating current: Compare Steinmetz’s AC language with modern sinusoidal steady-state analysis, RMS quantities, phase, and phasor notation.
Ether-Field Interpretive Boundary
Section titled “Ether-Field Interpretive Boundary”- Radiation / light: Radiation and wave language can invite ether-field comparison, but source wording, modern radiation theory, and speculative synthesis must stay separated.
- Field language: Field-pressure or field-gradient interpretations can be explored here only after the explicit source passage and modern engineering translation are kept distinct.
- Magnetism: Centrifugal/divergent magnetic-field readings are interpretive overlays, not automatic historical claims.
- Dielectricity / capacity: A Wheeler-style reading may emphasize dielectric compression, field stress, and stored potential, but this page treats that as interpretation unless Steinmetz explicitly says it.
Promotion Checklist
Section titled “Promotion Checklist”- Open the full source text and the scan or raw PDF.
- Verify the chapter boundary and surrounding context.
- Promote exact quotations only after checking the source image.
- Move mathematical candidates into canonical equation pages only after formula typography is corrected.
- Move diagram candidates into the diagram archive only after image extraction, crop verification, and manifest creation.
- Keep Steinmetz wording, modern translation, and ether-field interpretation in separate labeled layers.