An Elementary Treatise on Alternating CurrentsLongmans, Green, 1902 - 211 páginas |
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... Iron Losses - Tests of Transformers CHAPTER XII . Design of Transformers - Effects of Magnetic Leakage - Core Laminations -Methods of testing Transformers - Calculation of Hysteresis Loss- Regulation of Transformers - Insulation and ...
... Iron Losses - Tests of Transformers CHAPTER XII . Design of Transformers - Effects of Magnetic Leakage - Core Laminations -Methods of testing Transformers - Calculation of Hysteresis Loss- Regulation of Transformers - Insulation and ...
Página 3
... the current is i amperes , the strength of the magnetic field is given by- F = 4πin 10 A helix of many turns is sometimes called a Solenoid . ( 3 ) DISTINCTION BETWEEN INDUCTION AND MAGNETIZING FORCE . 5. When iron INTRODUCTORY . 3.
... the current is i amperes , the strength of the magnetic field is given by- F = 4πin 10 A helix of many turns is sometimes called a Solenoid . ( 3 ) DISTINCTION BETWEEN INDUCTION AND MAGNETIZING FORCE . 5. When iron INTRODUCTORY . 3.
Página 4
... iron is freshly annealed its magnetism disappears if on being removed from the magnetizing field of force it is subjected to mechanical vibration . Iron possesses the property of causing the lines of force to pass through it in ...
... iron is freshly annealed its magnetism disappears if on being removed from the magnetizing field of force it is subjected to mechanical vibration . Iron possesses the property of causing the lines of force to pass through it in ...
Página 16
... iron does not approach saturation . Equations ( 9 ) and ( 10 ) may be deduced from the law of conservation of energy in the same way as equation ( 8 ) ; but this is left as an exercise for the reader . PROBLEMS ON CHAPTER II . 1. A ...
... iron does not approach saturation . Equations ( 9 ) and ( 10 ) may be deduced from the law of conservation of energy in the same way as equation ( 8 ) ; but this is left as an exercise for the reader . PROBLEMS ON CHAPTER II . 1. A ...
Página 21
... iron rotating in the gap between the field coils and the armature coils . In alternators giving a single alternating E.M.F. the magnet poles occupy about one half the circumference of the machine , as shown in Fig . 5 , as also do the ...
... iron rotating in the gap between the field coils and the armature coils . In alternators giving a single alternating E.M.F. the magnet poles occupy about one half the circumference of the machine , as shown in Fig . 5 , as also do 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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