Distributed Constants Concordance
Distributed Constants
Section titled “Distributed Constants”Concordance status: generated from processed OCR/PDF text. Treat these as source-location aids until each passage is checked against the scan.
96 hits
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7 sources
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29 sections
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Matched Aliases
Section titled “Matched Aliases”distributed capacity, distributed constants, distributed inductance
Source Distribution
Section titled “Source Distribution”| Source | Hits | Sections |
|---|---|---|
| Theory and Calculation of Transient Electric Phenomena and Oscillations | 32 | 13 |
| Theory and Calculation of Alternating Current Phenomena | 28 | 2 |
| Theory and Calculation of Alternating Current Phenomena | 13 | 3 |
| Theory and Calculation of Alternating Current Phenomena | 12 | 2 |
| Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients | 4 | 3 |
| Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients | 4 | 3 |
| Theory and Calculation of Electric Circuits | 3 | 3 |
Section Hits
Section titled “Section Hits”Representative Source Snippets
Section titled “Representative Source Snippets”Chapter 13: Distributed Capacity, Inductance, Resistance, And Leakage - 23 hit(s)
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CHAPTER XIII. DISTRIBUTED CAPACITY, INDUCTANCE, RESISTANCE, AND LEAKAGE. 107. As far as capacity has been considered in the foregoing chapters, the assumption has been made that the condenser or other source of negative reactance is shunted across the circuit at a definite point. In many ...Chapter 12: Dibtbisnted Capacity, Inductance, Besistance, And - 11 hit(s)
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... capacity is distributed over the whole length of the conductor, so that the circuit can be considered as shunted by an infinite number of infinitely small condensers infi. nitely near together, as diagrammatically shown in Fig. 83. 8 3 S Fig, 83. Distributed Capacity. In this case the intensity as well as phase of the current,, and consequently of the counter E.M.F. of inductance and resistance, vary from point to point ; and it is no longer possible to treat the circuit in the usual manner by the vector diagram. ...Chapter 15: Distributed Capacity, Inductance, Resistance, And Leakage - 8 hit(s)
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CHAPTER XV DISTRIBUTED CAPACITY, INDUCTANCE, RESISTANCE, AND LEAKAGE 127. In the foregoing, the phenomena causing loss of energy in an alternating-current circuit have been discussed; and it has been shown that the mutual relation between current and e.m.f. can be expressed by two of ...Chapter 4: Distributed Capacity Of High-Potential Transformers - 8 hit(s)
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CHAPTER IV. DISTRIBUTED CAPACITY OF HIGH-POTENTIAL TRANSFORMERS. 40. In the high-potential coils of transformers designed for very high voltages phenomena resulting from distributed capacity occur. In transformers for very high voltages — 100;000 volts and more, or even considerably ...Chapter 6: Topographic Method - 5 hit(s)
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... In Fig. 29, the diagram is shown for 45° lag, in Fig. 30 for noninductive load, and in Fig. 31 for 45° lead of the currents with regard to their E.M.Fs. BALANCED THREE -PHASE SYSTEM 45° LEAD THREE-PHASE CIRCUIT 80°LA» TRANSMISSION LINE' WITH DISTRIBUTED CAPACITY, INDUCTANCB RESISTANCE AUD LEAKAQB •I, Fig. 31. Fig. 32. As seen, the induced generator E.M.F. and thus the generator excitation with lagging current must be higher, with leading current lower, than at non-inductive load, or conversely with th ...Chapter 2: Long-Distance Transmission Line - 4 hit(s)
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... stance, with a line of 150 miles length, the resonance frequency is /0 = 313 cycles per second, or between the 5th harmonic and the 7th harmonic, 300 and 420 cycles of a 60-cycle system; fairly close to the 5th har- monic. The study of such a circuit of distributed capacity thus becomes of importance with reference to the investigation of the effects of higher harmonics of the generator wave. In long-distance telephony the important frequencies of speech probably range from 100 to 2000 cycles. For these fre- er quencies ...Chapter 6: Topographic Method - 3 hit(s)
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... rcuit, Ei, E2, Es, fall off more with lagging, and less with leading current, than with non-inductive load. 39. As a further example may be considered the case of a single-phase alternating-current circuit supplied over a cable containing resistance and distributed capacity. Let, in Fig. 32, the potential midway between the two ter- minals be assumed as zero point 0. The two terminal voltages at the receiver circuit are then represented by the points E and E^, equidistant from 0 and opposite each other, and the two cur- re ...Chapter 7: Resistance, Inductance, And Capacity In Series In Alternating-Current Circuit - 3 hit(s)
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... ) 98 TRANSIENT PHENOMENA 60. The oscillating start, or, in general, change of circuit conditions, is the most important, since in circuits containing capacity the transient effect is almost always oscillating. The most common examples of capacity are distributed capacity in transmission lines, cables, etc., and capacity in the form of electrostatic condensers for neutralizing lagging currents, for constant potential-constant current transformation, etc. (a) In transmission lines or cables the charging current is a fracti ...Chapter 3: The Natural Period Of The Transmission Line - 3 hit(s)
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... 4) and using the effective values L0' and C0', the fundamental frequency, equation (11), then appears in the form 2* ^fLJc^ ' that is, the same value as found for the condenser discharge. In comparing with localized inductances and capacities, the distributed capacity and inductance, in free oscillation, thus are represented by their effective values (13) and (14). 30. Substituting in equations (4), Cl = <>i + jcv (16) gives I = (cl + jc2) cos ftl and (17) NATURAL PERIOD OF TRANSMISSION LINE 325 By ...Lecture 7: Line Oscillations - 2 hit(s)
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... of the line. The frequency then is ^ = 4170- (2«) LINE OSCILLATIONS. 79 The frequency / depends upon the length ^i of the section of hne in which the oscillation occurs. That is, the oscillations occurring in a transmission line or other circuit of distributed capacity have no definite frequency, but any frequency may occur, depending on the length of the circuit section which oscillates (provided that this circuit section is short compared with the entire length of the circuit, that is, the frequency high compared with ...Lecture 7: Line Oscillations - 2 hit(s)
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... of the line. The frequency then is /.-rrr- (26) LINE OSCILLATIONS. 79 The frequency / depends upon the length Zi of the section of line in which the oscillation occurs. That is, the oscillations occurring in a transmission line or other circuit of distributed capacity have no definite frequency, but any frequency may occur, depending on the length of the circuit section which oscillates (provided that this circuit section is short compared with the entire length of the circuit, that is, the frequency high compared with ...Chapter 37: Quarter-Phase System - 2 hit(s)
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... strength. 161 Direct-current system, erhciency, 441 Displacement current. 152 Disruptive gradient. 165 Distortion by magnetic field, resist- ance and reactance pulsa- tion. a42 of magnetizing current. 117 of wave, see Harmonics by hysteresis, 116 Distributed capacity. 168 Double delta connections of trans- formers to sis-phase. 428 frequency power and torque with distorted wave, 381 quantities, 180 peak wave. 370 T connections of transformers to six -phase, 430 ^ connection of transformers to six-phase, 429 Dr ...Chapter 4: Distributed Capacity Of High-Potential Trans Former. 342 - 2 hit(s)
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CHAPTER IV. DISTRIBUTED CAPACITY OF HIGH-POTENTIAL TRANS- FORMER. 342 40. The transformer coil as circuit of distributed capacity, and the character of its capacity. 342 41. The differential equations of the transformer coil, and their integral equations. 344 42. Terminal conditio ...Chapter 8: Low Frequency Surges In High Potential Systems - 2 hit(s)
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... cable systems, occasionally destructive high potential low frequency surges occur; that is, oscillations of the whole system, of the same character as in the case of localized capacity and inductance discussed in the preceding chapter. While a system of distributed capacity has an infinite number of frequencies, which usually are the odd multiples of a funda- mental frequency of oscillation, in those cases where the fundamental frequency predominates and the effect of the higher frequencies is negligible, the oscillation can ...Chapter 1: General Equations - 2 hit(s)
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... scillation over the multigap lightning arrester circuit, or a mile in a long-distance transmission circuit or high-potential cable, or the distance of the velocity of light, 300,000 km., etc. The permanent values of current and e.m.f. in such circuits of distributed constants have, for alternating-current circuits, been investigated in Section III, where it was shown that they can be treated as transient phenomena in space, of the complex variables, current / and e.m.f. E. Transient phenomena in circuits with distributed cons ...Chapter 6: Transition Points And The Complex Circuit - 2 hit(s)
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... ANSITION POINTS AND THE COMPLEX CIRCUIT. 40. The discussions of standing waves and free oscillations in Chapters III and V, and traveling waves in Chapter IV, apply directly only to simple circuits, that is, circuits comprising a con- ductor of uniformly distributed constants r, L, g, and C. Indus- trial electric circuits, however, never are simple circuits, but are always complex circuits comprising sections of different con- stants, — generator, transformer, transmission lines, and load, — and a simple circuit is realized on ...Chapter 9: Inductive Discharges - 2 hit(s)
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... of the phenomena in a complex circuit comprising sections of very different constants; that is, a combination of a circuit section of high inductance and small resistance and negligible capacity and conductance, as a generating station, with a circuit of distributed capacity and inductance, as a transmission line. The extreme case of such a discharge would occur if a short circuit at the busbars of a gen- erating station opens while the transmission line is connected to the generating station. Let r = the total resistance a ...Lecture 6: Double-Energy Transients - 1 hit(s)
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... line insulation against momentary voltages, is e^, the maximum discharge current in the line is limited to Iq = eoyo. If L is high but C low, as in the high-potential winding of a high-voltage transformer (which winding can be considered as a circuit of distributed capacity, inductance, and resistance), Zq is high and 2/0 low. That is, a high transient voltage can produce only moderate transient currents, but even a small transient cur- rent produces high voltages. Thus reactances, and other reactive apparatus, as transforme ...