Electric Transmission of Energy and Its Transformation, Subdivision, and Distribution: A Practical HandbookWhittaker & Company, 1886 - 331 páginas |
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Página 7
... containing some prime mover and dynamos , the current from which is sent by a pair of cables to the secondary batteries in the car which are to be charged . This is the first stage in the electric trans- mission of energy . When the ...
... containing some prime mover and dynamos , the current from which is sent by a pair of cables to the secondary batteries in the car which are to be charged . This is the first stage in the electric trans- mission of energy . When the ...
Página 49
... containing mercury in such way that during rotation of the wheel one or two spokes were always dipping into the mercury . Fig . 10. A per- manent steel magnet N S was placed in such position that the lines of force joining its two poles ...
... containing mercury in such way that during rotation of the wheel one or two spokes were always dipping into the mercury . Fig . 10. A per- manent steel magnet N S was placed in such position that the lines of force joining its two poles ...
Página 50
... containing two circular grooves of taper- ing section into which are laid the exciting coils E , formed of insulated copper wire . If a current passes through these coils , it produces lines of force which com- pletely surround each ...
... containing two circular grooves of taper- ing section into which are laid the exciting coils E , formed of insulated copper wire . If a current passes through these coils , it produces lines of force which com- pletely surround each ...
Página 51
... contains absolutely no idle portion . This is one of the reasons why the machines are so powerful as compared to their size . The other reason is that the intensity of the magnetic field is very great . As will be shown in a subsequent.
... contains absolutely no idle portion . This is one of the reasons why the machines are so powerful as compared to their size . The other reason is that the intensity of the magnetic field is very great . As will be shown in a subsequent.
Página 52
... contain copper wire coiled over the armature core , this clearance is necessarily greater than in Professor Forbes ' dynamo , where the space between armature and magnet is just sufficient to allow of free rotation . The following ...
... contain copper wire coiled over the armature core , this clearance is necessarily greater than in Professor Forbes ' dynamo , where the space between armature and magnet is just sufficient to allow of free rotation . The following ...
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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...