An Elementary Treatise on Alternating CurrentsLongmans, Green, 1902 - 211 páginas |
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Página 14
... component equal to + Ldi , and also to provide a component equal ri to drive the dt current against the ohmic resistance of the circuit . We thus arrive at the equation— Idi + ri = e dt ( 8 ) This is an equation between the E.M.F.s ...
... component equal to + Ldi , and also to provide a component equal ri to drive the dt current against the ohmic resistance of the circuit . We thus arrive at the equation— Idi + ri = e dt ( 8 ) This is an equation between the E.M.F.s ...
Página 18
... component of the intensity normal to the plane of A. If the angular velocity of the coil is p , and t is measured from the instant when ON and OF coincide , then- = pt so that- by- NAB cos pt The E.M.F. induced in CHAPTER III The ...
... component of the intensity normal to the plane of A. If the angular velocity of the coil is p , and t is measured from the instant when ON and OF coincide , then- = pt so that- by- NAB cos pt The E.M.F. induced in CHAPTER III The ...
Página 46
... component vectors parallel respectively to xox ' and yoy ' . - Now let us agree to represent unit vector along Ox by + 1 ; unit vector along Ox ' will then be represented by − 1 , since the sense is exactly opposite . Let us further ...
... component vectors parallel respectively to xox ' and yoy ' . - Now let us agree to represent unit vector along Ox by + 1 ; unit vector along Ox ' will then be represented by − 1 , since the sense is exactly opposite . Let us further ...
Página 47
... components parallel to Ox and Oy are respectively PK = NM a ' and KQ b'k , then the vector PQ is represented by akb ' , and the vector OQ , which is the sum of the vectors OP and PQ , is given by- = OQ = OM + MQ = ( ON + NM ) + ( MK + ...
... components parallel to Ox and Oy are respectively PK = NM a ' and KQ b'k , then the vector PQ is represented by akb ' , and the vector OQ , which is the sum of the vectors OP and PQ , is given by- = OQ = OM + MQ = ( ON + NM ) + ( MK + ...
Página 54
... components — one equal to rĨ , and the other equal to + kpLI . We thus arrive at the vector equation- rI + kpLI = e · which is essentially a vector equation of E.M.F.s. ( 1 ) If we reduce the lengths of each of these vectors in the ...
... components — one equal to rĨ , and the other equal to + kpLI . We thus arrive at the vector equation- rI + kpLI = e · which is essentially a vector equation of E.M.F.s. ( 1 ) If we reduce the lengths of each of these vectors in the ...
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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