Electric Transmission of Energy and Its Transformation, Subdivision, and Distribution: A Practical HandbookWhittaker & Company, 1886 - 331 páginas |
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Página ix
... Exciting Power - Magnetic Circuit - Magnetic Resistance - Formulas for strength of Field - Single and Double Magnets - Difficulty in Small Dynamos - Characteristic Curves -Horse - power Curves - Speed Characteristics — Application to ...
... Exciting Power - Magnetic Circuit - Magnetic Resistance - Formulas for strength of Field - Single and Double Magnets - Difficulty in Small Dynamos - Characteristic Curves -Horse - power Curves - Speed Characteristics — Application to ...
Página 40
... excited by a constant current ) , runs at a speed of 1,000 revolutions a minute when doing no external work , whilst supplied with current at a given electro - motive force , it will do a maximum of work when loaded to such an extent ...
... excited by a constant current ) , runs at a speed of 1,000 revolutions a minute when doing no external work , whilst supplied with current at a given electro - motive force , it will do a maximum of work when loaded to such an extent ...
Página 50
... excited by the current produced . Professor Forbes ' machine 1 is remarkable for the very powerful current it ... exciting coils E , formed of insulated copper wire . If a current passes through these coils , it produces lines of ...
... excited by the current produced . Professor Forbes ' machine 1 is remarkable for the very powerful current it ... exciting coils E , formed of insulated copper wire . If a current passes through these coils , it produces lines of ...
Página 51
... exciting coils , and consist of a series of carbon blocks held in two copper rings , which are connected to the two terminal plates G G. The current is thus taken off all around the armature , and the latter contains absolutely no idle ...
... exciting coils , and consist of a series of carbon blocks held in two copper rings , which are connected to the two terminal plates G G. The current is thus taken off all around the armature , and the latter contains absolutely no idle ...
Página 63
... excited independently from the current which passes through the armature , their self- induction cannot in any way steady that current , and abrupt changes in its strength and great waste of electrical energy must occur at the dead ...
... excited independently from the current which passes through the armature , their self- induction cannot in any way steady that current , and abrupt changes in its strength and great waste of electrical energy must occur at the dead ...
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Términos y frases comunes
amperes armature core arrangement battery brake brushes cable capital outlay cent chapter commercial efficiency commutator conductor connected constant speed cost counter-electro-motive force Creil curve cylinder dead points diameter distance dynamos and motors electric transmission electrical efficiency electrical energy electrical resistance electro-motive force employed engine equal equation exciting power experiments external field magnets flow formula friction Gramme dynamo Gramme machine greater heat horse-shoe hydraulic inches increase insulation iron latter length lines of force load loss machine magnet pole magnetic field magnetic resistance Marcel Deprez maximum mechanical energy motive force number of lines obtained ohms parallel placed pole pieces position practical pressure produced proportional represent revolutions a minute rheostat right angles self-induction self-regulating series-wound shown in Fig shunt coils slider spindle steam-engine steel strength tion total number trans transmission of energy transmitted volts weight whilst wound وو
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Página 333 - Argot and Slang. A new French and English Dictionary of the Cant Words, Quaint Expressions, Slang Terms, and Flash Phrases used in the high and low life of old and new Paris.
Página 209 - ... filled with paper, wood shavings, or other protective material that prevent the articles from moving about or coming in contact with each other or with the sides of the box In course of transmission. (2) Liquids, oils, etc. Liquids, oils, and substances which easily liquefy must be enclosed in hermetically sealed receptacles. Each receptacle must be placed in a separate box of metal, strong wood, or strong corrugated...
Página 210 - Now, if we have a single pair of cables, one of them connected to the positive and the other to the negative terminal of the...