Apparatus Subsection 76: Direct-current Commutating Machines: Motors Shunt Motor
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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-76 |
| Location | lines 12780-12928 |
| Status | candidate |
| Word Count | 424 |
| Equation Candidates In Section | 0 |
| Figure Candidates In Section | 0 |
| Quote Candidates In Section | 0 |
Opening Source Excerpt
Section titled “Opening Source Excerpt”B. MOTORS Shunt Motor 74. Three speed characteristics of the shunt motor at con- stant impressed e.m.f. e are shown in Fig. 116 as A, P, Q, corre- sponding to the points d, p, q of the motor load saturation curve, Fig. 110. Their derivation is as follows: At constant impressed ir,0 1100 WOO £00 (•00 w 50 100 150 200250 300 350 400 450 500 FIG. 119. — Shunt motor speed curves, constant impressed e.m.f. e.m.f. e the field excitation is constant and equals FQ, and at current i the generated e.m.f. must be e — ir. The resultant field excitation is F0 — iqt and corresponding hereto at constant speed the generated e.m.f. taken from saturation curve A in Fig. 110 is e\. Since it must be e — ir, the speed isSource-Located Theme Snippets
Section titled “Source-Located Theme Snippets”Field language
Section titled “Field language”... or load saturation curve, Fig. 110. Their derivation is as follows: At constant impressed ir,0 1100 WOO £00 (•00 w 50 100 150 200250 300 350 400 450 500 FIG. 119. — Shunt motor speed curves, constant impressed e.m.f. e.m.f. e the field excitation is constant and equals FQ, and at current i the generated e.m.f. must be e — ir. The resultant field excitation is F0 — iqt and corresponding hereto at constant speed the generated e.m.f. taken from saturation curve A in Fig. ...Chapter-Local Concept Hits
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