Apparatus Subsection 75: Direct-current Commutating Machines: C. Commutating Machines
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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-75 |
| Location | lines 12764-12779 |
| Status | candidate |
| Word Count | 92 |
| Equation Candidates In Section | 0 |
| Figure Candidates In Section | 0 |
| Quote Candidates In Section | 0 |
Opening Source Excerpt
Section titled “Opening Source Excerpt”D. C. COMMUTATING MACHINES 215 adjusted for the same voltage at no load and at full load, under- compounds at higher and over-compounds at lower voltage, and even at open circuit of the shunt field gives still a voltage op as series generator. When shifting the brushes under load, at lower voltage a second point g is reached where the machine compounds correctly, and below this point the machine under-compounds and loses its excitation when the shunt field decreases below a certain value; that is, it does not excite itself as series generator.Source-Located Theme Snippets
Section titled “Source-Located Theme Snippets”Field language
Section titled “Field language”D. C. COMMUTATING MACHINES 215 adjusted for the same voltage at no load and at full load, under- compounds at higher and over-compounds at lower voltage, and even at open circuit of the shunt field gives still a voltage op as series generator. When shifting the brushes under load, at lower voltage a second point g is reached where the machine compounds correctly, and below this point the machine under-compounds and loses its excitatio ...Chapter-Local Concept Hits
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