Convention, Volume 18 |
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Halaman 42
... less than 10,000 pounds of coal , we have an average for the largest stations of 127.7 - watt hours per pound of coal . This is equivalent to a consumption of about five pounds of coal per indicated horse - power . The best results ...
... less than 10,000 pounds of coal , we have an average for the largest stations of 127.7 - watt hours per pound of coal . This is equivalent to a consumption of about five pounds of coal per indicated horse - power . The best results ...
Halaman 43
... less than 3.3 pounds per indicated horse - power . " When we consider how enormously short the results of actual practice in lighting stations are of those which are obtainable under the most favorable conditions with the same machinery ...
... less than 3.3 pounds per indicated horse - power . " When we consider how enormously short the results of actual practice in lighting stations are of those which are obtainable under the most favorable conditions with the same machinery ...
Halaman 45
... less than its best load , and the variation in efficiency of this one unit is chiefly due to the larger proportion of the whole that the friction losses bear at light load . Almost the whole loss of efficiency , due to variable load ...
... less than its best load , and the variation in efficiency of this one unit is chiefly due to the larger proportion of the whole that the friction losses bear at light load . Almost the whole loss of efficiency , due to variable load ...
Halaman 49
... less than the saving otherwise effected , else we are paying more for our economy than it amounts to . In the present case , our storage must cost us less than $ 69.10 . If we could take the variable load off between the boiler and ...
... less than the saving otherwise effected , else we are paying more for our economy than it amounts to . In the present case , our storage must cost us less than $ 69.10 . If we could take the variable load off between the boiler and ...
Halaman 54
... less the loss due to inefficiency of the battery . I have assumed a battery efficiency of seventy - five per cent . We see from the diagram that the battery is charging 8 A. M. to about 4 P. M. Twenty - five per cent of the energy thus ...
... less the loss due to inefficiency of the battery . I have assumed a battery efficiency of seventy - five per cent . We see from the diagram that the battery is charging 8 A. M. to about 4 P. M. Twenty - five per cent of the energy thus ...
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alternating current amperes apparatus arc dynamos arc lamps arc lighting armature BEGGS boilers candle-power capacity carbons cell cent central station managers charge circuit Cleveland closed coil committee connected convention curve diagram direct current disruptive discharges distribution dynamo Edison illuminating companies efficiency Electric Company Electric Light Association Electric Light Company electrical horse-power electro-motive force energy feed storage gas engine gentlemen give horse-power hour Illuminating Company incandescent indicated horse-power induction installation instrument insulation interest Light and Power lightning arrester magnetic maximum measured monocyclic system National Electric Light open coil operation paper phase plant plates polyphase system pound of coal Power Company power wire practice PRESIDENT Professor question SEELY single-phase spark gaps standard candle steam storage storage battery tanks teaser coil three-phase three-phase system three-wire system to-day Total fixed annual transformers units voltage voltmeter volts watt hours watts