Apparatus Section 5: Induction Machines: Induction Booster
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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-111 |
| Location | lines 21589-21646 |
| Status | candidate |
| Word Count | 417 |
| Equation Candidates In Section | 0 |
| Figure Candidates In Section | 0 |
| Quote Candidates In Section | 0 |
Opening Source Excerpt
Section titled “Opening Source Excerpt”V. Induction Booster 157. In the induction machine, at a given slip s, current and terminal voltage are proportional to each other and of constant phase relation, and their ratio is a constant. Thus when con- nected in an alternating-current circuit, whether in shunt or in series, and held at a speed giving a constant and definite slip s, either positive or negative, the induction machine acts like a constant impedance. 350 ELEMENTS OF ELECTRICAL ENGINEERING The apparent impedance and its components, the apparent resistance and apparent reactance represented by the induction machine, vary with the slip. At synchronism apparent impe- dance, resistance, and reactance are a maximum. They decrease with increasing positive slip. With increasing negative slip the apparent impedance and reactance decrease also, the apparent FIG. 191. — Effective impedance of three-phase inductionSource-Located Theme Snippets
Section titled “Source-Located Theme Snippets”Impedance / reactance
Section titled “Impedance / reactance”... ratio is a constant. Thus when con- nected in an alternating-current circuit, whether in shunt or in series, and held at a speed giving a constant and definite slip s, either positive or negative, the induction machine acts like a constant impedance. 350 ELEMENTS OF ELECTRICAL ENGINEERING The apparent impedance and its components, the apparent resistance and apparent reactance represented by the induction machine, vary with the slip. At synchronism apparent impe- dance, resistance, and ...Alternating current
Section titled “Alternating current”V. Induction Booster 157. In the induction machine, at a given slip s, current and terminal voltage are proportional to each other and of constant phase relation, and their ratio is a constant. Thus when con- nected in an alternating-current circuit, whether in shunt or in series, and he ...Ether references
Section titled “Ether references”... Booster 157. In the induction machine, at a given slip s, current and terminal voltage are proportional to each other and of constant phase relation, and their ratio is a constant. Thus when con- nected in an alternating-current circuit, whether in shunt or in series, and held at a speed giving a constant and definite slip s, either positive or negative, the induction machine acts like a constant impedance. 350 ELEMENTS OF ELECTRICAL ENGINEERING The apparent impedance and its ...Radiation / light
Section titled “Radiation / light”... certain value of apparent resistance, thereby lowering the effi- ciency of the apparatus, but at the same time making it less de- pendent upon minor variations of speed ; that is, requires a lesser constancy of slip, and thus of speed and frequency, to give a steady boosting effect.Chapter-Local Concept Hits
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| Ether | 1 | seeded |
| Frequency | 1 | seeded |
Chapter-Local Glossary Hits
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| ether | 1 | seeded |
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Modern Engineering Reading Prompts
Section titled “Modern Engineering Reading Prompts”- Impedance / reactance: Translate historical opposition terms into modern impedance, admittance, conductance, susceptance, and complex-plane notation.
- Alternating current: Compare Steinmetz’s AC language with modern sinusoidal steady-state analysis, RMS quantities, phase, and phasor notation.
- Ether references: Verify exact wording before drawing conclusions. Ether language must be separated from later interpretive systems.
- Radiation / light: Compare the chapter’s radiation vocabulary with modern electromagnetic radiation, spectral frequency, wavelength, absorption, and illumination engineering.
Ether-Field Interpretive Boundary
Section titled “Ether-Field Interpretive Boundary”- Ether references: If Steinmetz mentions ether, quote only the verified source words first; any broader ether-field synthesis belongs in a labeled interpretive layer.
- Radiation / light: Radiation and wave language can invite ether-field comparison, but source wording, modern radiation theory, and speculative synthesis must stay separated.
Promotion Checklist
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