Chapter 10: Instability Of Circuits : The Arc
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Source Metadata
Section titled “Source Metadata”| Field | Value |
|---|---|
| Source | Theory and Calculation of Electric Circuits |
| Year | 1917 |
| Section ID | theory-calculation-electric-circuits-chapter-10 |
| Location | lines 17632-21381 |
| Status | candidate |
| Word Count | 9446 |
| Equation Candidates In Section | 0 |
| Figure Candidates In Section | 8 |
| Quote Candidates In Section | 0 |
Opening Source Excerpt
Section titled “Opening Source Excerpt”CHAPTER X INSTABILITY OF CIRCUITS : THE ARC A. General 81. During the earlier days of electrical engineering practi- cally all theoretical investigations were limited to circuits in stable or stationary condition, and where phenomena of instability occurred, and made themselves felt as disturbances or troubles in electric circuits, they either remained imunderstood or the theo- retical study was limited to the specific phenomenon, as in the case of lightning, dropping out of step of induction motors, hunt- ing of synchronous machines, etc., or, as in the design of arc lamps and arc-lighting machinery, the opinion prevailed that theoretical calculations are impossible and only design by trying, based on practical experience, feasible. The first class of imstable phenomena, which was systemat- ically investigated, were the transients, and even today it is ques- tionable whether aSource-Located Theme Snippets
Section titled “Source-Located Theme Snippets”Transients / damping
Section titled “Transients / damping”... e design of arc lamps and arc-lighting machinery, the opinion prevailed that theoretical calculations are impossible and only design by trying, based on practical experience, feasible. The first class of imstable phenomena, which was systemat- ically investigated, were the transients, and even today it is ques- tionable whether a systematic theoretical classification and in- vestigation of the conditions of instability in electric circuits is yet feasible. Only a preliminary classification and discussion of such phenomena shall be attempted in the follo ...Dielectricity / capacity
Section titled “Dielectricity / capacity”... when it goes out, and the arc «■ 1.D ^ iin \ C^ -' litn \ V ^^ fn \ in \ \ ■ ^ ■m ~- ^ .0 ■^ >^ ~ rn ^ ^ m ^ 5- ^ y' ^ ^ ^ ^ ^ i: Fig. 79. . ia shunted by a condenser, the condenser nmkes the arc unstable and puts it out; the available supply voltage, however, starts it again, and so periodically the arc starts and extinguishes, aa an "oscillating arc." 84. There are certain circuit elements which tend to produce instability, such as ar ...Waves / transmission lines
Section titled “Waves / transmission lines”... ne, more or less systematically, on transients, and a great mass of information is thus available in the literature. These transients are more ex- tensively treated in "Theory and Calculation of Transient Elec- tric Phenomena and Oscillations," and in " Electric Discharges, Waves and Impulses, '' and therefore will be omitted in the fol- lowing. However, to some extent, the transients of our theoret- ical literature, still are those of the "phantom circuit," that is, a circuit in which the constants r, L, C, g, are assumed as constant. The effect of ...Radiation / light
Section titled “Radiation / light”... in stable or stationary condition, and where phenomena of instability occurred, and made themselves felt as disturbances or troubles in electric circuits, they either remained imunderstood or the theo- retical study was limited to the specific phenomenon, as in the case of lightning, dropping out of step of induction motors, hunt- ing of synchronous machines, etc., or, as in the design of arc lamps and arc-lighting machinery, the opinion prevailed that theoretical calculations are impossible and only design by trying, based on practical experience, ...Chapter-Local Concept Hits
Section titled “Chapter-Local Concept Hits”| Concept Candidate | Hits In Section | Status |
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| Frequency | 9 | seeded |
| Ether | 4 | seeded |
| Light | 2 | seeded |
| Arc lamp | 1 | seeded |
Chapter-Local Glossary Hits
Section titled “Chapter-Local Glossary Hits”| Term Candidate | Hits In Section | Status |
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| ether | 4 | seeded |
Equation Candidates
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Figure Candidates
Section titled “Figure Candidates”| Candidate ID | OCR / PDF-Text Candidate | Source Location |
|---|---|---|
theory-calculation-electric-circuits-fig-084 | As the two parallel arcs must have the same voltage, the oper- ating point is the point, a, of the intersection of A and -4’ in Fig. 84. The arcs thus would divide the current,… | line 19228 |
theory-calculation-electric-circuits-fig-085 | g Fig. 85. itself; ft and c, however, are unstable. Thus, at the latter points, | line 19483 |
theory-calculation-electric-circuits-fig-086 | 1 Fig. 86. condition of arcs with resistance in series and in shunt, on constant, voltage supply, etc. | line 19525 |
theory-calculation-electric-circuits-fig-087 | branch circuit also must be in phase with each other, that is, the Fig. 87. frequency of the oscillation in Fig. 87 is that at which capacity, C, and inductance, L, balance, or… | line 19695 |
theory-calculation-electric-circuits-fig-088 | S~ Fig. 88. the curves of the arc voltage, eo, | line 20087 |
theory-calculation-electric-circuits-fig-089 | SHUNTING ARC Fig. 89. As long as the current in the circuit, A — whether resistance or arc — is steady, no current passes the condenser circuit, and the | line 20211 |
theory-calculation-electric-circuits-fig-094 | of effective resistances, 22, as the values of r-., for pulsations between i + bi and i — bi, and such a curve is shown as R in Fig. 94. We may say, that the arc, when shunted b… | line 20527 |
theory-calculation-electric-circuits-fig-006 | I Fig. 06. first increases, but then decreases again, down to zero, so that the cumulative oscillations produced by this arc are self-limitii^, | line 21181 |
Hidden-Gem Quote Candidates
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Modern Engineering Reading Prompts
Section titled “Modern Engineering Reading Prompts”- Transients / damping: Separate the temporary term from the final steady-state term and compare with differential-equation response language.
- Dielectricity / capacity: Check whether the passage treats capacity, condensers, displacement, or dielectric stress as field storage rather than only circuit algebra.
- Waves / transmission lines: Map Steinmetz’s wave and line language onto modern distributed constants, propagation velocity, standing waves, and reflections.
- 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.
Ether-Field Interpretive Boundary
Section titled “Ether-Field Interpretive Boundary”- Transients / damping: Transient collapse, impulse, and surge behavior can be compared with alternative field language, but only as a clearly marked reading.
- 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.
- Waves / transmission lines: Standing/traveling wave passages may support richer field interpretations; the page keeps those readings separate from verified Steinmetz wording.
- Radiation / light: Radiation and wave language can invite ether-field comparison, but source wording, modern radiation theory, and speculative synthesis must stay separated.
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