Electric Transmission of Energy and Its Transformation, Subdivision, and Distribution: A Practical HandbookWhittaker & Company, 1886 - 331 páginas |
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Página 2
... latter , offer a larger field for the applica- tion of electricity . Water - power is only portable in a very limited sense . The great cost of channels , and the difficulty of providing elevated reservoirs close to those places where ...
... latter , offer a larger field for the applica- tion of electricity . Water - power is only portable in a very limited sense . The great cost of channels , and the difficulty of providing elevated reservoirs close to those places where ...
Página 8
... latter may at a moment's notice be lowered into the sea , provided with a sufficient store of energy for some hours ' run . When the launch is stowed away on deck , its accumulators can also be used for lighting the vessel , if a mishap ...
... latter may at a moment's notice be lowered into the sea , provided with a sufficient store of energy for some hours ' run . When the launch is stowed away on deck , its accumulators can also be used for lighting the vessel , if a mishap ...
Página 33
... latter can be considered as a succession of pith balls . In our experiment with the slider , c is the current or quantity of electricity transferred in one second , and the mechanical energy represented by the current during the ...
... latter can be considered as a succession of pith balls . In our experiment with the slider , c is the current or quantity of electricity transferred in one second , and the mechanical energy represented by the current during the ...
Página 39
... latter case the current is half as great as that obtained with the slider at rest , and the velocity half as great as that of the slider with the weight removed . The statical pull on the slider when doing maximum work is half that ...
... latter case the current is half as great as that obtained with the slider at rest , and the velocity half as great as that of the slider with the weight removed . The statical pull on the slider when doing maximum work is half that ...
Página 40
... latter are therefore applicable to the former . Certain allowances will , of course , have to be made on account of the usual mechanical resistances and losses common to all mechanism , and also on account of certain secondary actions ...
... latter are therefore applicable to the former . Certain allowances will , of course , have to be made on account of the usual mechanical resistances and losses common to all mechanism , and also on account of certain secondary actions ...
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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 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...