A Hand-book of Wiring Tables for Arc, Incandescent Lighting, and Motor CircuitsBubier Publishing Company, 1892 - 76 стор. |
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Сторінка 6
... Sizes of Motors with Correspondent Voltage and Ampage , Of Sizes of Wires for Different Current Capacities of Motors and Distances from Supply , 38 39 40-41 42 43 Ordinary Arc Dynamo Circuit with lamps in series . Ordinary.
... Sizes of Motors with Correspondent Voltage and Ampage , Of Sizes of Wires for Different Current Capacities of Motors and Distances from Supply , 38 39 40-41 42 43 Ordinary Arc Dynamo Circuit with lamps in series . Ordinary.
Сторінка 16
... distance from the dynamos . It is common to arrange this system after the style of a gas or water plant , with a center of distribution , from which the main supply wires emerge in all directions . Ex- tras or feeder wires are usually ...
... distance from the dynamos . It is common to arrange this system after the style of a gas or water plant , with a center of distribution , from which the main supply wires emerge in all directions . Ex- tras or feeder wires are usually ...
Сторінка 17
... an installation of 100 lamps drawing their current from a center of distri- bution of a capacity of 1000 lamps one - half mile from the station . The distance of the house in question , from this center is 120 feet 17 Three-Wire System,
... an installation of 100 lamps drawing their current from a center of distri- bution of a capacity of 1000 lamps one - half mile from the station . The distance of the house in question , from this center is 120 feet 17 Three-Wire System,
Сторінка 18
... distance 15 feet , per cent loss will 991 available 110 991110.8+ , 110.8-110 - .8 volts lost . R = = ;; = 0.111 ohms for 30 feet- , twice the fifteen feet to allow for the return . Hence for 1000 feet ( in order to be found in the ...
... distance 15 feet , per cent loss will 991 available 110 991110.8+ , 110.8-110 - .8 volts lost . R = = ;; = 0.111 ohms for 30 feet- , twice the fifteen feet to allow for the return . Hence for 1000 feet ( in order to be found in the ...
Сторінка 23
... distance . N = Number lamps of any voltage . C = Current in amperes per lamp . E = Number volts per lamp lost in 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 ...
... distance . N = Number lamps of any voltage . C = Current in amperes per lamp . E = Number volts per lamp lost in 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 ...
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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.