Convention, Volume 18 |
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Halaman 35
... cost if the city owned its own plant , needs the search - light of electricity thrown upon it by this association . is a question of vital importance to every central station in the United States , for sooner or later their own business ...
... cost if the city owned its own plant , needs the search - light of electricity thrown upon it by this association . is a question of vital importance to every central station in the United States , for sooner or later their own business ...
Halaman 45
... cost we produce power in our lighting stations with their variable loads and under other commercial conditions where the load is fairly constant , I quote Professor Unwin : I. Engines working on a very regular load , in conditions ...
... cost we produce power in our lighting stations with their variable loads and under other commercial conditions where the load is fairly constant , I quote Professor Unwin : I. Engines working on a very regular load , in conditions ...
Halaman 46
... COST OF INSTALLATION PER EFFECTIVE HORSE - POWER . Cost of engines or with reserve 1.47 indicated horse - power = 1.47 X $ 44.5 ยท Cost of boilers 1.47 X $ 24 Cost of buildings 1.47 X $ 30 . = Total $ 65.42 35.28 44.10 $ 144.80 ANNUAL COST ...
... COST OF INSTALLATION PER EFFECTIVE HORSE - POWER . Cost of engines or with reserve 1.47 indicated horse - power = 1.47 X $ 44.5 ยท Cost of boilers 1.47 X $ 24 Cost of buildings 1.47 X $ 30 . = Total $ 65.42 35.28 44.10 $ 144.80 ANNUAL COST ...
Halaman 47
... cost ..... Cost of coal , 2.21 pounds , 8,760 hours , at $ 1.75 per ton .... Cost of petty stores Cost of driving , stoking and cleaning . Total annual cost per electric horse - power , I0.20 $ 18.43 $ 16.94 1.64 11.67 30.25 $ 48.68 II ...
... cost ..... Cost of coal , 2.21 pounds , 8,760 hours , at $ 1.75 per ton .... Cost of petty stores Cost of driving , stoking and cleaning . Total annual cost per electric horse - power , I0.20 $ 18.43 $ 16.94 1.64 11.67 30.25 $ 48.68 II ...
Halaman 48
... cost . Cost of coal , 3.8 pounds for 8,760 hours , at $ 1.75 per ton ..... Cost of petty stores .. Cost of driving , stoking and cleaning Total annual cost .... $ 23.13 30.25 3.50 $ 56.88 $ 26.00 1.64 11.67 39.31 $ 96.19 In other words ...
... cost . Cost of coal , 3.8 pounds for 8,760 hours , at $ 1.75 per ton ..... Cost of petty stores .. Cost of driving , stoking and cleaning Total annual cost .... $ 23.13 30.25 3.50 $ 56.88 $ 26.00 1.64 11.67 39.31 $ 96.19 In other words ...
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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