An Elementary Treatise on Alternating CurrentsLongmans, Green, 1902 - 211 páginas |
Dentro del libro
Resultados 1-5 de 34
Página 25
... represented by the equation- i = Esin ( pt - 0 ) √ p2 + p2L2 ( 11 ) E If we write I for equation ( 10 ) takes the form- √ p2 + p3L22 i = I sin ( pt — 0 ) - ( 12 ) I is therefore the maximum value of the current . Equation ( 8 ) shows ...
... represented by the equation- i = Esin ( pt - 0 ) √ p2 + p2L2 ( 11 ) E If we write I for equation ( 10 ) takes the form- √ p2 + p3L22 i = I sin ( pt — 0 ) - ( 12 ) I is therefore the maximum value of the current . Equation ( 8 ) shows ...
Página 26
... represented in Fig . 6 . We have seen that the maximum value of the current in an inductive circuit is given by- I = E √ p2 + p2 L2 The quantity 2+ p2L2 is called the Impedance of the circuit . In a non - inductive circuit we have- I ...
... represented in Fig . 6 . We have seen that the maximum value of the current in an inductive circuit is given by- I = E √ p2 + p2 L2 The quantity 2+ p2L2 is called the Impedance of the circuit . In a non - inductive circuit we have- I ...
Página 34
... represented by- e = E sin pt 2 the root mean square E.M.F. V , is similarly given by- P V = √ √ = E √2 / 2 E2 sin2 pt dt ( 16 ) We shall in future use the letters R.M.S. to indicate root mean square values . It was proved , see § 24 ...
... represented by- e = E sin pt 2 the root mean square E.M.F. V , is similarly given by- P V = √ √ = E √2 / 2 E2 sin2 pt dt ( 16 ) We shall in future use the letters R.M.S. to indicate root mean square values . It was proved , see § 24 ...
Página 43
... represented by OP and OQ respectively , the maximum value of the current , or E.M.F. resulting from the two when superimposed , is determined by the law of composition of Vectors , and is the diagonal through O of the parallelogram with ...
... represented by OP and OQ respectively , the maximum value of the current , or E.M.F. resulting from the two when superimposed , is determined by the law of composition of Vectors , and is the diagonal through O of the parallelogram with ...
Página 45
... represented by a straight line drawn in a particular direction , the sense along the direction being shown by means of an arrowhead , and the line containing as many units of length as the quantity to be represented contains units of ...
... represented by a straight line drawn in a particular direction , the sense along the direction being shown by means of an arrowhead , and the line containing as many units of length as the quantity to be represented contains units of ...
Otras ediciones - Ver todas
An Elementary Treatise on Alternating Currents William Gould Rhodes Sin vista previa disponible - 2016 |
An Elementary Treatise on Alternating Currents William Gould Rhodes Sin vista previa disponible - 2019 |
Términos y frases comunes
alternating current alternating-current amperes Answer applied P.D. armature B.Sc C. P. Steinmetz capacity CHEMISTRY choking coil College condenser conductor constant core counter E.M.F. Crown 8vo cubic centimetre curve D.Sc di-phase currents Diagrams E.M.F. of self-induction eddy currents ELECTRICITY ELEMENTARY ENGINEERING equal equation frequency henry hysteresis i₁ Illustrations induction motor instantaneous value iron losses lags lines of force machine magnetic field maximum value mean square mono-phase mutual induction non-inductive resistance ohms output parallel periods per second phase PHYSIOLOGY Plates pole potential difference power factor power given PRACTICAL primary circuit primary current Professor published by Longmans R.M.S. value r₁ r₁² reactance respectively right angles root mean square rotation Royal 8vo Scientific Works published secondary circuit self-induction square centimetre stator synchronism terminals tions torque transformer TREATISE tri-phase v₁ vector voltage volts wattless wattmeter watts winding wire zero
Pasajes populares
Página 36 - NOTES OF A COURSE OF NINE LECTURES ON LIGHT. delivered at the Royal Institution of Great Britain, 1869. Crown 8vo. , is. 6d. NOTES OF A COURSE OF SEVEN LECTURES ON ELECTRICAL PHENOMENA AND THEORIES, delivered at the Royal Institution of Great Britain, 1870.
Página 21 - Other Worlds than Ours ; The Plurality of Worlds Studied under the Light of Recent Scientific Researches.
Página 21 - Our Place among Infinities: A Series of Essays contrasting our Little Abode in Space and Time with the Infinities Around us.
Página 19 - WORKSHOP APPLIANCES, including Descriptions of some of the Gauging and Measuring Instruments, Hand-cutting Tools, Lathes, Drilling, Planeing, and other Machine Tools used by Engineers. By CPB SHELLEY, MICE With an additional Chapter on Milling by R. R. LISTER. With 323 Illustrations. Fcp. 8vo., y. MINERALOGY, MINING, METALLURGY, ETC. by HILARY BAUERMAN, FGS SYSTEMATIC MINERALOGY.
Página 15 - The ART of ELECTRO-METALLURGY, including all known Processes of Electro-Deposition. By G. GORE, LL.DFRS With 56 Woodcuts. Price 6s. ALGEBRA and TRIGONOMETRY. By the Rev. WILLIAM NATHANIEL GRIFFIN, BD Price 3^.
Página 33 - FRANKLAND. MICRO-ORGANISMS IN WATER, THEIR SIGNIFICANCE, IDENTIFICATION, AND REMOVAL. Together with an Account of the Bacteriological Methods Involved in their Investigation. Specially Designed for the Use of those connected with the Sanitary Aspects of Water Supply. By Professor PERCY FRANKLAND, Ph.D., B.Sc. (Lond.), FRS, Fellow of the Chemical Society; and Mrs. PERCY FRANKLAND, Joint Author of "Studies on Some New Micro-Organisms Obtained from Air.
Página 3 - NEWTH.— Works by GS NEWTH, FIC, FCS, Demonstrator in the Royal College of Science, London. CHEMICAL LECTURE EXPERIMENTS. With 230 Illustrations. Crown 8vo. , 6s. CHEMICAL ANALYSIS, QUANTITATIVE AND QUALITATIVE. With loo Illustrations. Crown 8vo., 6s. 6d.
Página 28 - Garrod. — WORKS BY SIR ALFRED BARING GARROD, MDFRS A TREATISE ON GOUT AND RHEUMATIC GOUT (RHEUMATOID ARTHRITIS). With 6 Plates, comprising 21 Figures (14 Coloured), and 27 Illustrations engraved on Wood. 8vo.
Página 21 - NEW STAR ATLAS for the Library, the School, and the Observatory, in 12 Circular Maps (with 2 Index Plates).
Página 13 - BALE.— A. HAND-BOOK FOR STEAM USERS; being Rules for Engine Drivers and Boiler Attendants, with Notes on Steam Engine and Boiler Management and Steam Boiler Explosions. By M. Powis BALE, MIME, AMICE Fcp. 8vo., 2s.