Electric Lighting: A Practical Exposition of the Art, for the Use of Engineers, Students and Others Interested in the Installation Or Operation of Electrical Plants, Том 1D. Van Nostrand Company, 1906 |
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Сторінка 2
... produce current for electric railway or other motors ; but this distinction is merely for convenience . An alter- nating current dynamo is commonly called an " alternator . ” Two essentially different kinds of electric currents are in ...
... produce current for electric railway or other motors ; but this distinction is merely for convenience . An alter- nating current dynamo is commonly called an " alternator . ” Two essentially different kinds of electric currents are in ...
Сторінка 3
... produced , which render it capable of after- wards reproducing a large fraction of the electrical energy put into it . In Europe accumulators have been more extensively and suc- cessfully employed than in the United States , but they ...
... produced , which render it capable of after- wards reproducing a large fraction of the electrical energy put into it . In Europe accumulators have been more extensively and suc- cessfully employed than in the United States , but they ...
Сторінка 4
... produces carbonic acid or other gases which are deleterious . 2. It is much cooler ; i.e. , it produces less than one - tenth as much heat for the same amount of light . 3. It can be lighted without the aid of matches , which is not ...
... produces carbonic acid or other gases which are deleterious . 2. It is much cooler ; i.e. , it produces less than one - tenth as much heat for the same amount of light . 3. It can be lighted without the aid of matches , which is not ...
Сторінка 7
... produce as much heat , and can be lighted without matches , make it a superior kind of light in practically every respect ; and it is probably a fact in nearly every case where elec- tric light is introduced instead of gas , that this ...
... produce as much heat , and can be lighted without matches , make it a superior kind of light in practically every respect ; and it is probably a fact in nearly every case where elec- tric light is introduced instead of gas , that this ...
Сторінка 8
... produced intentionally or accidentally by frictional elec- tricity . The effects obtained , however , in these very early experi- ments were so feeble that they are hardly worth considering ; and it was not until the first electrical ...
... produced intentionally or accidentally by frictional elec- tricity . The effects obtained , however , in these very early experi- ments were so feeble that they are hardly worth considering ; and it was not until the first electrical ...
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Electric Lighting: A Practical Exposition of the Art, for the Use of ..., Том 2 Francis Bacon Crocker Попередній перегляд недоступний - 2016 |
Загальні терміни та фрази
alternating current amount ampere-hours ampere-turns amperes apparatus arc lamps armature core arrangement belt boiler booster brushes carbon cause cell cent centimeters centrifugal force charge circuit cloth coal coils commutator condensation conductors connected consists construction copper cut-off cylinder diameter direct direct current direct-current discharge dynamo effect efficiency Elec electric lighting electric-lighting electrolyte employed fact feet field-magnet flux density fly-wheel force fuel gas-engine governor heat hence incandescent lamps inch inductors insulation iron latter lines load machine machinery magnetic magnetic circuit mechanical mercurous sulphate motors multipolar obtained operated ordinary pipe piston plant plates pole-pieces poles practically pressure produced pulley represented in Fig resistance revolutions per minute ring shaft short-circuited shown in Fig shunt speed square steam steam-engine storage battery stroke sulphate supply surface switch temperature tion tubes turbine usually valve voltage voltmeter volts water-tube boilers weight wheel winding wire zinc sulphate
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Сторінка 22 - As a unit of resistance, the international ohm, which is based upon the ohm equal to 10" units of resistance of the CGS system of electromagnetic units, and is represented by the resistance offered to an unvarying electric current by a column of mercury at the temperature of melting ice, 14.4521 grams in mass, of a constant cross-sectional area and of the length of 106.3 centimetres.
Сторінка 483 - Illustrated. 8vo, cloth. $2.00. Elements of Electric Lighting, including Electric Generation, Measurement, Storage, and Distribution. Tenth Edition, fully revised and new matter added. Illustrated. 8vo, cloth. $1.50. Power Transmitted by Electricity and Applied by the Electric Motor, including Electric Railway Construction.
Сторінка 23 - ... As a unit of electromotive force, the international volt, which is the electromotive force that, steadily applied to a conductor whose resistance is one international ohm, will produce a current of one international ampere...
Сторінка 483 - ABBOTT, AV The Electrical Transmission of Energy. A Manual for the Design of Electrical Circuits.