Lecture 10: Regulation And Control
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Source Metadata
Section titled “Source Metadata”| Field | Value |
|---|---|
| Source | General Lectures on Electrical Engineering |
| Year | 1908 |
| Section ID | general-lectures-electrical-engineering-lecture-10 |
| Location | lines 4595-4930 |
| Status | candidate |
| Word Count | 1563 |
| Equation Candidates In Section | 0 |
| Figure Candidates In Section | 0 |
| Quote Candidates In Section | 0 |
Opening Source Excerpt
Section titled “Opening Source Excerpt”TENTH LECTURE REGULATION AND CONTROL A. Direct Current Systems. In direct current three-wire 220 volt distribution systems several outside bus bars are used and, with change of load, the feeders are changed from one bus bar to another. The different bus bars are connected to different machines, to the storage battery or to boosters. The lighting boosters are low voltage machines separ- ately excited from the bus bars. The main generators are shunt machines or rather are excited from the bus bars, or ro- tary converters, and are usually of 250 volts, that is, the neutral brought out by collector rings and compensator. In railway circuits, in addition to trolley wire and rail return, trolley feeders and ground feeders, or plus and minus feeders are sufficient for converter substations, and where the distance gets tooSource-Located Theme Snippets
Section titled “Source-Located Theme Snippets”Field language
Section titled “Field language”... onomical and railway boosters are therefore used only for small sections for which it does not pay to install a separate station, especially where the load is very temporary, as for instance, heavy Sunday load, etc. Railway boosters are series machines, that is, the series field and the machine voltage therefore are proportional to the current. In such railway boosters it is necessary to take care in the booster design that it does not build up as series generator 128 GENERAL LECTURES * feeding a current through the local circuit between a short ...Radiation / light
Section titled “Radiation / light”... direct current three-wire 220 volt distribution systems several outside bus bars are used and, with change of load, the feeders are changed from one bus bar to another. The different bus bars are connected to different machines, to the storage battery or to boosters. The lighting boosters are low voltage machines separ- ately excited from the bus bars. The main generators are shunt machines or rather are excited from the bus bars, or ro- tary converters, and are usually of 250 volts, that is, the neutral brought out by collector rings and compensa ...Alternating current
Section titled “Alternating current”... EGULATION AND CONTROL A. Direct Current Systems. In direct current three-wire 220 volt distribution systems several outside bus bars are used and, with change of load, the feeders are changed from one bus bar to another. The different bus bars are connected to different machines, to the storage battery or to boosters. The lighting boosters are low voltage machines separ- ately excited from the bus bars. The main generators are shunt machines or rather are excited from the bus bars, or ro- tary converters, and are usually of 250 volts, that is, ...Magnetism
Section titled “Magnetism”... nt and a stationary secondary coil is in series and at right angles to the primary ; an iron shuttle moves inside of the coils and so turns the mag- netism of the primary coil into the secondary coil either one way or the other. On the dotted position the primary sends the magnetism through the secondary in opposite direction as in the drawn position, in Fig. 26. 134 GENERAL LECTURES Fife. 26 Advantage — Uniform variation. Disadvantage — More expensive than compensator regulator.Chapter-Local Concept Hits
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| Light | 5 | seeded |
Chapter-Local Glossary Hits
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Equation Candidates
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Figure Candidates
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Hidden-Gem Quote Candidates
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Modern Engineering Reading Prompts
Section titled “Modern Engineering Reading Prompts”- Field language: Read for whether field language is mechanical, geometrical, causal, descriptive, or simply a convenient engineering model.
- Radiation / light: Compare the chapter’s radiation vocabulary with modern electromagnetic radiation, spectral frequency, wavelength, absorption, and illumination engineering.
- Alternating current: Compare Steinmetz’s AC language with modern sinusoidal steady-state analysis, RMS quantities, phase, and phasor notation.
- Magnetism: Track flux, reluctance, permeability, magnetizing force, and loss language against modern magnetic-circuit terminology.
- Transients / damping: Separate the temporary term from the final steady-state term and compare with differential-equation response language.
Ether-Field Interpretive Boundary
Section titled “Ether-Field Interpretive Boundary”- 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.
- Radiation / light: Radiation and wave language can invite ether-field comparison, but source wording, modern radiation theory, and speculative synthesis must stay separated.
- Magnetism: Centrifugal/divergent magnetic-field readings are interpretive overlays, not automatic historical claims.
- Transients / damping: Transient collapse, impulse, and surge behavior can be compared with alternative field language, but only as a clearly marked reading.
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.