A Hand-book of Wiring Tables for Arc, Incandescent Lighting, and Motor CircuitsBubier Publishing Company, 1892 - 76 стор. |
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Результати 1-5 із 9
Сторінка 13
... calculation that there may be no un- due waste of energy or material . Such mas- sive bars of copper might be used that ... calculations of this nature . If C repre- sents the current in " amperes , " E the elec- tro - motive force in ...
... calculation that there may be no un- due waste of energy or material . Such mas- sive bars of copper might be used that ... calculations of this nature . If C repre- sents the current in " amperes , " E the elec- tro - motive force in ...
Сторінка 14
... calculating given . ARC - LIGHTING . Arc lamps are run in series ; that is , the same current that lights one lamp lights the next one , and so on through the entire cir- cuit operated by one dynamo . As the vol- tage must overcome the ...
... calculating given . ARC - LIGHTING . Arc lamps are run in series ; that is , the same current that lights one lamp lights the next one , and so on through the entire cir- cuit operated by one dynamo . As the vol- tage must overcome the ...
Сторінка 16
... calculation done at all , as one set of figures answers for the entire circuit , but in INCANDESCENT LIGHTING a series of similar figuring must be done as the current passes successively through " bus " bars , mains , feeders , service ...
... calculation done at all , as one set of figures answers for the entire circuit , but in INCANDESCENT LIGHTING a series of similar figuring must be done as the current passes successively through " bus " bars , mains , feeders , service ...
Сторінка 17
... calculation will depend primarily on the kind of apparatus to be employed , whether direct current , the ordinary two - wire system , the three - wire system , or the alternating sys- tem with transformers . Secondarily it will depend ...
... calculation will depend primarily on the kind of apparatus to be employed , whether direct current , the ordinary two - wire system , the three - wire system , or the alternating sys- tem with transformers . Secondarily it will depend ...
Сторінка 19
... calculations . Let it . be 8 per cent , leaving 92 per cent as effective for lighting . 112.88 92 = 122.70 . 122.70- 112.88-9.82 volts lost in this part of the sys- tem , for conveying current for 1000 lamps as stated . 1000 × .6 = 600 ...
... calculations . Let it . be 8 per cent , leaving 92 per cent as effective for lighting . 112.88 92 = 122.70 . 122.70- 112.88-9.82 volts lost in this part of the sys- tem , for conveying current for 1000 lamps as stated . 1000 × .6 = 600 ...
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A Hand-Book of Wiring Tables for Arc, Incandescent Lighting, and Motor Circuits Arthur Eugene Watson Попередній перегляд недоступний - 2018 |
A Hand-Book of Wiring Tables for ARC, Incandescent Lighting, and Motor Circuits Arthur Eugene Watson Попередній перегляд недоступний - 2015 |
Загальні терміни та фрази
104-volt lamps 16 c. p. lamps 52-volt lamps alternating current amperes Amperex approved insulation arc circuits arc lamps arc system ARC-LIGHT Area in CM=d2 attached to build automatic Board cent loss center of distribution circular mills Cleats Cloth Bound conducting wires conductors covered Diameter in Mils direct current Distance in feet dynamo EDISON SYSTEM edition Edward Trevert electric light wires Electricians electro-motive force England Insurance Exchange enter the building entering buildings erected extra heavy Farad feet from transformer fixtures Formula Hand-book house mains incandescent lamps Incandescent System inflammable material INSIDE WIRING joints line wire located magneto material mechanical injury moisture Nostrand's Science Series number of lamps ohms overhead wires pipe poles porcelain Practical Primary Mains Pure Copper Wire regulations rheostat rubber hooks rules secondary mains secured Series motors size of wire soldered spark arrester supply wires Telegra tion tube two-wire system voltage water-proof insulation Watts WIRING TABLE
Популярні уривки
Сторінка 58 - Flexible cord must not be used except for pendants, wiring of fixtures, portable lamps or motors, portable heating apparatus or other portable devices.
Сторінка 51 - ... c. Must be at least seven feet above the highest point of flat roofs, and at least one foot above the ridge of pitched roofs over which they pass or to which they are attached.