Dielectric Field Concordance
Dielectric Field
Section titled “Dielectric Field”Concordance status: generated from processed OCR/PDF text. Treat these as source-location aids until each passage is checked against the scan.
561 hits
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11 sources
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58 sections
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Matched Aliases
Section titled “Matched Aliases”dielectric, dielectric field, dielectrics
Source Distribution
Section titled “Source Distribution”| Source | Hits | Sections |
|---|---|---|
| Theory and Calculation of Alternating Current Phenomena | 145 | 10 |
| Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients | 125 | 8 |
| Elementary Lectures on Electric Discharges, Waves and Impulses, and Other Transients | 122 | 8 |
| Theoretical Elements of Electrical Engineering | 54 | 3 |
| Theory and Calculation of Alternating Current Phenomena | 35 | 7 |
| Theory and Calculation of Alternating Current Phenomena | 33 | 6 |
| Theory and Calculation of Transient Electric Phenomena and Oscillations | 27 | 7 |
| Four Lectures on Relativity and Space | 11 | 3 |
| Theory and Calculation of Electric Circuits | 5 | 4 |
| Radiation, Light and Illumination | 2 | 1 |
| Theory and Calculation of Electric Apparatus | 2 | 1 |
Section Hits
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Section titled “Representative Source Snippets”Chapter 14: Dielectric Losses - 106 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 - 55 hit(s)
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... ircles 10 THE ELECTRIC FIELD. 11 are crowded together between the conductors, and the magnetic field consists of eccentric circles surrounding the conductors, as shown by the drawn lines in Fig. 9. An electrostatic, or, as more properly called, dielectric field, issues from the conductors, that is, a dielectric flux passes between the conductors, which is measured by the number of lines of dielectric force ^. With a single conductor, the lines of dielectric force are radial straight lines, as shown dotted in Fig ...Lecture 2: The Electric Field - 55 hit(s)
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... ircles 10 THE ELECTRIC FIELD. 11 are crowded together between the conductors, and the magnetic field consists of eccentric circles surrounding the conductors, as shown by the drawn lines in Fig. 9. An electrostatic, or, as more properly called, dielectric field, issues from the conductors, that is, a dielectric flux passes between the conductors, which is measured by the number of lines of dielectric force ty. With a single conductor, the lines of dielectric force are radial straight lines, as shown dotted in Fi ...Theory Section 19: Fields of Force - 40 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 ...Lecture 10: Continual And Cumulative Oscillations - 28 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 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 consumpt ...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 consump ...Lecture 10: Inductance And Capacity Of Round Parallel Conductors - 25 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 ...Chapter 11: Foucault Or Eddy Currents - 20 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 - 19 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 ...Chapter 37: Quarter-Phase System - 18 hit(s)
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... ts of half-axis OB' downward; the complex imaginary or general numbers are represented by the points outside of the coordinate axes. INDEX Absolute values of complex quanti- ties, 37 Actual generated e.m.f., alternator, 272 Admittance, 55 of dielectric, 154 due to eddy currents, 137 to hysteresis, 129 Admittivity of dielectric circuit, 160 Air-gap in magnetic circuit, 119, 132 Ambiguity of vectors, 39 Amplitude, 6, 20 Apparent capacity of distorted wave, 386 efficiency of induction motor, 234 i ...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. . Pote ...Chapter 1: The Constants Of The Electric Circuit - 12 hit(s)
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... as that factor of the electric power P which is proportional to the electrostatic field. Current i and voltage e, therefore, are mathematical fictions, factors of the power P, introduced to represent respectively the magnetic and the electrostatic or " dielectric " phenomena. The current i is measured by the magnetic action of a circuit, as in the ammeter; the voltage e, by the electrostatic action of a circuit, as in the electrostatic voltmeter, or by producing a current i by the voltage e and measuring this cur ...Chapter 15: Distributed Capacity, Inductance, Resistance, And Leakage - 9 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 12: Dibtbisnted Capacity, Inductance, Besistance, And - 8 hit(s)
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... nstance, that the line conductors are of 1 cm diameter, and at a distance from each other of 50 cm, and that the length of transmission is 50 km, we get the capacity of the transmission line from the formula — c = microfarads, 4 log nat -^ where K = dielectric constant of the surrounding medium = 1 in air ;. / = length of conductor = 5 X 10* cm. ; d = distance of conductors from each other = 50 cm. ; 8 = diameter of conductor = 1 cm. Since C = .3 microfarads, the capacity reactance is 10« . 152 AL ...Chapter 13: Distributed Capacity, Inductance, Resistance, And Leakage - 8 hit(s)
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... e conductors are of 1 cm. diameter, and at a distance from each other of 50 cm., and that the length of transmission is 50 km., we get the capacity of the transmission line from the formula — C = 1.11 X 10 -«K/ -=- 4 loge 2 d/ 8 microfarads, where K = dielectric constant of the surrounding medium = 1 in air ; / = length of conductor = 5 x 106 cm. ; d = distance of conductors from each other = 50 cm. ; 8 = diameter of conductor = 1 cm. Since C = .3 microfarads, the capacity reactance is x — 106 / 2 TT NC ohm ...Chapter 2: Long-Distance Transmission Line - 8 hit(s)
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... very serious at high fre- quencies such as those of telephone currents. The effect of eddy currents has already been referred to under " mutual inductance," of which if is a power component. The alternating electrostatic field of force expends power in dielectrics by what is called dielectric hysteresis. In concentric cables, where the electrostatic gradient in the dielectric is com- paratively large, the dielectric hysteresis may at high potentials consume considerable amounts of power. The dielectric hystere- sis ...Lecture 1: Nature And Origin Of Transients - 6 hit(s)
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... d does not represent the entire phenome- non. While electric power flows over the line A, there is a magnetic field surrounding the line conductors, and an electrostatic field issuing from the line conductors. The magnetic field and the electrostatic or " dielectric " field represent stored energy. Thus, during the permanent conditions of the flow of power through the circuit Fig. 3, there is electric energy stored in the space surround- ing the line conductors. There is energy stored also in the genera- tor and in t ...