An Elementary Treatise on Alternating CurrentsLongmans, Green, 1902 - 211 páginas |
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... Motor . CHARLES ASHLEY CARUS - WILSON , M. A. Cantab . With 71 Diagrams , and a Series of Problems , with Answers . Crown 8vo . , 7s . 6d . PRACTICAL ELECTRICITY AND MAGNETISM . By JOHN HENDERSON , D.Sc. , F.R.S.E. With 159 Illustra ...
... Motor . CHARLES ASHLEY CARUS - WILSON , M. A. Cantab . With 71 Diagrams , and a Series of Problems , with Answers . Crown 8vo . , 7s . 6d . PRACTICAL ELECTRICITY AND MAGNETISM . By JOHN HENDERSON , D.Sc. , F.R.S.E. With 159 Illustra ...
Página 84
... motor - generator ; but with an alternating - current supply , the reduced voltage may be otherwise obtained : ( 1 ) by the use of a choking coil , ( 2 ) by means of a step - down transformer , and ( 3 ) by a motor - generator of some ...
... motor - generator ; but with an alternating - current supply , the reduced voltage may be otherwise obtained : ( 1 ) by the use of a choking coil , ( 2 ) by means of a step - down transformer , and ( 3 ) by a motor - generator of some ...
Página 86
... motors , so that V , v1 , and 0 are all given , and I becomes determinate . DESIGN OF CHOKING COILS . 58. Having determined the value of L for the choking coil required , we proceed to indicate the principles upon which its design and ...
... motors , so that V , v1 , and 0 are all given , and I becomes determinate . DESIGN OF CHOKING COILS . 58. Having determined the value of L for the choking coil required , we proceed to indicate the principles upon which its design and ...
Página 95
... motors , the load is inductive , and the external reactance must be taken into account . We shall assume that the maximum induction in the iron core is constant at all loads . The method of vector algebra supplies a concise means of ...
... motors , the load is inductive , and the external reactance must be taken into account . We shall assume that the maximum induction in the iron core is constant at all loads . The method of vector algebra supplies a concise means of ...
Página 125
... the transformer , the iron losses being 5 per cent . of the output , and the thickness of the stampings 15 mils . ? Answer . 913 lbs . CHAPTER XIII . Synchronous Motors - Method of synchronizing a PROBLEMS ON TRANSFORMERS . 125.
... the transformer , the iron losses being 5 per cent . of the output , and the thickness of the stampings 15 mils . ? Answer . 913 lbs . CHAPTER XIII . Synchronous Motors - Method of synchronizing a PROBLEMS ON TRANSFORMERS . 125.
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
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