Dielectricity Concordance
Dielectricity
Section titled “Dielectricity”Concordance status: generated from processed OCR/PDF text. Treat these as source-location aids until each passage is checked against the scan.
996 hits
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14 sources
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139 sections
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Matched Aliases
Section titled “Matched Aliases”dielectric, dielectricity, displacement, displacement current, electrostatic
Source Distribution
Section titled “Source Distribution”| Source | Hits | Sections |
|---|---|---|
| Theory and Calculation of Alternating Current Phenomena | 218 | 21 |
| Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients | 138 | 8 |
| Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients | 133 | 8 |
| Theory and Calculation of Alternating Current Phenomena | 112 | 19 |
| Theory and Calculation of Transient Electric Phenomena and Oscillations | 101 | 19 |
| Theory and Calculation of Alternating Current Phenomena | 99 | 17 |
| Theoretical Elements of Electrical Engineering | 86 | 19 |
| Theory and Calculation of Electric Apparatus | 26 | 9 |
| General Lectures on Electrical Engineering | 20 | 4 |
| Theory and Calculation of Electric Circuits | 19 | 6 |
| Four Lectures on Relativity and Space | 17 | 3 |
| Investigation of Some Trouble in the Generating System of the Commonwealth Edison Co. | 14 | 2 |
| Radiation, Light and Illumination | 12 | 3 |
| Engineering Mathematics: A Series of Lectures Delivered at Union College | 1 | 1 |
Section Hits
Section titled “Section Hits”Representative Source Snippets
Section titled “Representative Source Snippets”Chapter 14: Dielectric Losses - 111 hit(s)
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CHAPTER XIV DIELECTRIC LOSSES Dielectric Hysteresis 116. Just as magnetic hysteresis and eddy currents give a power component in the inductive reactance, as "effective resistance," so the energy losses in the dielectric lead to a power component in the condensive reactance, ...Lecture 2: The Electric Field - 59 hit(s)
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... hile power flows through the conductors A, power is con- sumed in these conductors by JV[ conversion into heat, repre- sented by ^2r. This, however, Fig. 7. is not all, but in the space surrounding the conductor cer- tain phenomena occur: magnetic and electrostatic forces appear. Fig. 8. — Electric Field of Conductor. The conductor is surrounded by a magnetic field, or a magnetic flux, which is measured by the number of lines of magnetic force $. With a single conductor, the lines of magnetic force are concentri ...Lecture 2: The Electric Field - 59 hit(s)
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... While power flows through the conductors A, power is con- sumed in these conductors by conversion into heat, repre- sented by i?r. This, however, Fig. 7. is not all, but in the space surrounding the conductor cer- tain phenomena occur: magnetic and electrostatic forces appear. Fig. 8. — Electric Field of Conductor. The conductor is surrounded by a magnetic field, or a magnetic flux, which is measured by the number of lines of magnetic force <J>. With a single conductor, the lines of magnetic force are concentr ...Chapter 1: The Constants Of The Electric Circuit - 44 hit(s)
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... rostatic actions. The magnetic action is a maximum in the direction concen- tric, or approximately so, to the conductor. That is, a needle- shaped magnetizable body, as an iron needle, tends to set itself in a direction concentric to the conductor. The electrostatic action has a maximum in a direction radial, or approximately so, to the conductor. That is, a light needle- shaped conducting body, if the electrostatic component of the field is powerful enough, tends to set itself in a direction radial to the conductor, ...Theory Section 19: Fields of Force - 41 hit(s)
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... e earth, and water to run down hill — and this space thus is a field of gravitational force, the earth the gram- motive force. In the space surrounding conductors having a high potential difference, we observe a field of dielectric force, that is, electro- static or dielectric forces are exerted, and the potential difference between the conductors is the electromotive force of the dielectric field. The force exerted by the earth as gravimotive force, o ...Chapter 11: Foucault Or Eddy Currents - 38 hit(s)
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... mutual inductance ; ^ = effective reactance of mutual inductance. The susceptance of mutual inductance is negative, or of opposite sign from the reactance of self-inductance. Or, Mutual inductance consumes energy and decreases the self- inductance. Dielectric and Electrostatic Phenomena. 98. While magnetic hysteresis and eddy currents can be considered as the energy component of inductance, con- densance has an energy component also, namely, dielectric hysteresis. In an alternating magnetic field, energy is co ...Chapter 11: Fouoault Or Eddy 0Ubbent8 - 35 hit(s)
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... b = — ^-^^^ — ■* = effective susceptance of mutual inductance. The susceptance of mutual inductance is negative, or of opposite sign from the susceptance of self-inductance. Or, Mutual itidtutance consumes energy and decreases the self- inductatice. Dielectric and Electrostatic Phenomena, 98. While magnetic hysteresis and eddy currents can be considered as the energy component of inductance, cori- densance has an energy component also, called dielectric hysteresis. In an alternating magnetic field, energy is c ...Lecture 10: Continual And Cumulative Oscillations - 32 hit(s)
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... enon by which the stored energy readjusts itself to a change of circuit conditions. In an oscilla- tory transient, the difference of stored energy of the previous and the after condition of the circuit, at a circuit change, oscillates between magnetic and dielectric energy. As there always must be some energy dissipation in the circuit, the oscillating energy of the transient must steadily decline, that is, the transient must die out, at a rate depending on the energy dissipation in the cir- cuit. Thus, the oscilla ...Lecture 10: Inductance And Capacity Of Round Parallel Conductors - 27 hit(s)
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... inkages of the mag- netic flux to the current, £ = ?- (i) i/ where <i> = magnetic flux or number of lines of magnetic force, and n the number of times which each line of magnetic force interlinks with the current i. The capacity is the ratio of the dielectric flux to the voltage, where \f/ is the dielectric flux, or number of lines of dielectric force, and e the voltage which produces it. With a single round conductor without return conductor (as wireless antennae) or with the return conductor at infinite d ...Lecture 6: Double-Energy Transients - 26 hit(s)
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... energy is stored by the current i, as magnetic field. To = -, (2) r where L = inductance = coefficient of energy storage by the cur- rent, r = resistance = coefficient of power dissipation by the current. If the energy is stored by the voltage e, as dielectric field, the duration of the transient would be TV - -, (3) g 59 60 ELECTRIC DISCHARGES, WAVES AND IMPULSES. where C = capacity = coefficient of energy storage by the volt- age, in the dielectric field, and g = conductance = coefficient of power co ...Lecture 6: Double-Energy Transients - 26 hit(s)
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... , if energy is stored by the current i, as magnetic field, T0 = £, (2) where L = inductance = coefficient of energy storage by the cur- rent, r = resistance = coefficient of power dissipation by the current. If the energy is stored by the voltage e, as dielectric field, the duration of the transient would be TJ = -, (3) s/ 59 60 ELECTRIC DISCHARGES, WAVES AND IMPULSES. where C = capacity = coefficient of energy storage by the volt- age, in the dielectric field, and g = conductance = coefficient of power c ...Chapter 37: Quarter-Phase System - 23 hit(s)
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... e balanced quarter-phase system with common re- turn is unbalanced with regard to voltage and phase relation, or in other words, even if in a quarter-phase system with common return both branches or phases are loaded equally, with a load of the same phase displacement, nevertheless the system becomes unbalanced, and the two e.m.fs. at the end of the hne are neither equal in magnitude, nor in quadrature with each other. B. One Branch Loaded, One Unloaded Zi = Z2 = Z, Z -^• (a) Fi = 0, F2 = F, {b) Fi = Y, Y, = 0. ...Chapter 24: Synchronous Motor - 20 hit(s)
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... ading increases, the current within the range between 1 and 12. The condition of maximum output is 3, current in phase with impressed e.m.f. Since at constant current the loss is constant, this is at the same time the condition of maximum efficiency; no displacement of phase of the impressed e.m.f., or self-induction of the circuit compensated by the effect of the lead of the motor current. This condition of maximum efficiency of a circuit we have found already in Chapter XL 216. B. £"0 and Ei constant, I variable. ...Chapter 16: Il - 17 hit(s)
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... ng increases, the current within the range between 1 and 12. The condition of maximum output is 3, current in phase with impressed E.M.F. Since at constant current the loss is constant, this is at the same time the condition of max- imum efficiency : no displacement of phase of the impressed 2iW A/. TKHA-A rti\G-CURRE.VT P//F..VO.VKXA. [| 181 Iv.M.I"'., or Kclf-induction of the circuit compensated by the effect of the lead of the motor current. This condition of iiiiiximum t-fficiency of a circuit we have foun ...Chapter 19: Synchronous Motor - 17 hit(s)
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... ng increases, the current within the range between 1 and 12. The condition of maximum output is 3, current in phase with impressed E.M.F. Since at constant current the loss is constant, this is at the same time the condition of max- imum efficiency : no displacement of phase of the impressed SYNCHRONOUS MOTOR. 329 E.M.F., or self-induction of the circuit compensated by the effect of the lead of the motor current. This condition of maximum efficiency of a circuit we have found already in the Chapter on Inducta ...Chapter 15: Distributed Capacity, Inductance, Resistance, And Leakage - 15 hit(s)
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... r, x, g, b, will always be consid- ered as the coefficients of the power and reactive components of current and e.m.f. — ^that is, as the effective quantities — so that the results are directly appHcable to the general electric circuit containing iron and dielectric losses. Introducing now, in Chapters VIII, to XI, instead of "ohmic resistance," the term "effective resistance," etc., as discussed in the preceding chapter, the results apply also — within the range discussed in the preceding chapter — to circuits cont ...Chapter 2: Long-Distance Transmission Line - 15 hit(s)
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... reactance, which consumes e.m.fs. in quadrature with the current, is not sufficient for the explanation of the phenomena taking place in the line, but several other factors have to be taken into account. In long lines, especially at high potentials, the electrostatic capacity of the line is sufficient to consume noticeable currents. The charging current of the line condenser is proportional to the difference of potential and is one-fourth period ahead of the e.m.f. Hence, it either increases or decreases the main curr ...Theory Section 20: Nomenclature - 12 hit(s)
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... I. E. E., but as far as possible standard letters have been used, and script letters avoided as impracticable or at least inconvenient in writing and still more in typewriting. Therefore F has been chosen for m.m.f., and dielectric field intensity changed to K. Also, a few symbols not contained in the Standardization Rules had to be added. NOMENCLATURE TABLE OP SYMBOLS 119 Symbol Name Unit Character E, e. Voltage Volt Electrical I, i. . ...