Convention, Volume 18 |
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Halaman 42
... watt hours per pound of coal . The next highest was 192 , the lowest twenty - five , and the average 91.7 - watt hours , or only 22.7 per cent of that which the best practice , under favorable conditions , should give . By far the ...
... watt hours per pound of coal . The next highest was 192 , the lowest twenty - five , and the average 91.7 - watt hours , or only 22.7 per cent of that which the best practice , under favorable conditions , should give . By far the ...
Halaman 85
... watts of seventy - five or eighty per cent . At present , a good cell should show an ampere efficiency of at least ninety per cent . These are certainly good results , but would seem capable of improvement . We hear a great deal about ...
... watts of seventy - five or eighty per cent . At present , a good cell should show an ampere efficiency of at least ninety per cent . These are certainly good results , but would seem capable of improvement . We hear a great deal about ...
Halaman 98
... nearly six months- the watt efficiency was 68.3 per cent . These figures include the first charge , for which some allowance ought , of course , to be made . The figures from July 30th to October 7th , inclusive , over two 98.
... nearly six months- the watt efficiency was 68.3 per cent . These figures include the first charge , for which some allowance ought , of course , to be made . The figures from July 30th to October 7th , inclusive , over two 98.
Halaman 99
... watt efficiency 74.2 per cent , cent , ampere efficiency 86.6 . These latter figures represent the true efficiency , and are very much better than was expected . Thirty - five per cent loss was allowed when estimating results prior to ...
... watt efficiency 74.2 per cent , cent , ampere efficiency 86.6 . These latter figures represent the true efficiency , and are very much better than was expected . Thirty - five per cent loss was allowed when estimating results prior to ...
Halaman 168
... watts ; or , in other words , we gain almost one electrical horse - power . Fig . XII is a curve of the electrical efficiency . It will be noticed that this at full load reaches ninety - four per cent , which is accounted for by the ...
... watts ; or , in other words , we gain almost one electrical horse - power . Fig . XII is a curve of the electrical efficiency . It will be noticed that this at full load reaches ninety - four per cent , which is accounted for by the ...
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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