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 8
Сторінка 15
... line resistance . 90 90 C = since C = 9.6 and E - 250 and R == 250-26 + ohms . 8 miles equals 42,240 feet , hence the resistance of 1000 feet would be 42240 - .6155 ohms . = Looking at the table on pages 40 and 41 in the column of ...
... line resistance . 90 90 C = since C = 9.6 and E - 250 and R == 250-26 + ohms . 8 miles equals 42,240 feet , hence the resistance of 1000 feet would be 42240 - .6155 ohms . = Looking at the table on pages 40 and 41 in the column of ...
Сторінка 21
... wire and five - wire arrange- ments , but the practical adoption of such was rendered unnecessary by the advent of the more flexible ALTERNATING SYSTEM . The advantage of this system lies in the small line wires it is possible to employ ...
... wire and five - wire arrange- ments , but the practical adoption of such was rendered unnecessary by the advent of the more flexible ALTERNATING SYSTEM . The advantage of this system lies in the small line wires it is possible to employ ...
Сторінка 22
... wired with the same size as the rest of the line wire . As the current is constant , being controlled by the regulator on the generating dynamo , no rheostat is necessary . In figur- ing the resistance of the line , it is well to assume ...
... wired with the same size as the rest of the line wire . As the current is constant , being controlled by the regulator on the generating dynamo , no rheostat is necessary . In figur- ing the resistance of the line , it is well to assume ...
Сторінка 23
... line . R = Ratio of conversion . PRIMARY CIRCUITS . A = 21 x D x N x C ER 2 For example : Let it be required to determine the size of wire to carry 400 16 candle - 23 General Formulæ for Alternating Circuit Wiring, Primary Circuits,
... line . R = Ratio of conversion . PRIMARY CIRCUITS . A = 21 x D x N x C ER 2 For example : Let it be required to determine the size of wire to carry 400 16 candle - 23 General Formulæ for Alternating Circuit Wiring, Primary Circuits,
Сторінка 26
... lines are subject to . ) 2. Required size of line wire for 1300 52- volt , 16 c . p . lamps , 3 miles ( 15840 feet ) from station , with 12 per cent loss . 1300 X 15840 X .008 164736 cir . mills ooo wire . = 3. Required size of wire for ...
... lines are subject to . ) 2. Required size of line wire for 1300 52- volt , 16 c . p . lamps , 3 miles ( 15840 feet ) from station , with 12 per cent loss . 1300 X 15840 X .008 164736 cir . mills ooo wire . = 3. Required size of wire for ...
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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.