Convention, Volume 18 |
Dari dalam buku
Hasil 1-5 dari 25
Halaman 45
... units as the load varies , so that at most only one unit need be working at 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 ...
... units as the load varies , so that at most only one unit need be working at 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 ...
Halaman 47
... unit corre- sponds to 3.8 pounds per effective horse - power hour . station at present consumption as six electric unit supplied . COST OF INSTALLATION . Cost of engines for one average effective horse- power with reserve , 5.87 ...
... unit corre- sponds to 3.8 pounds per effective horse - power hour . station at present consumption as six electric unit supplied . COST OF INSTALLATION . Cost of engines for one average effective horse- power with reserve , 5.87 ...
Halaman 53
... units are already determined , the question of economy of introducing storage batteries will be determined in some cases entirely by the sizes of those units . In some cases where the day load is exceedingly light , it will not warrant ...
... units are already determined , the question of economy of introducing storage batteries will be determined in some cases entirely by the sizes of those units . In some cases where the day load is exceedingly light , it will not warrant ...
Halaman 54
... units . If a fourth unit were thrown in it would at first have to operate at only about one - third load , and , hence , very uneconomically . A storage battery load sufficient to make up a full load for this unit would , therefore , be ...
... units . If a fourth unit were thrown in it would at first have to operate at only about one - third load , and , hence , very uneconomically . A storage battery load sufficient to make up a full load for this unit would , therefore , be ...
Halaman 55
... units one , two and three are working directly into the feeders , and are not affected at all . The energy thus lost ... units , but the diagram represents them as carrying the increasing load until 6 P. M. , when the seventh unit is ...
... units one , two and three are working directly into the feeders , and are not affected at all . The energy thus lost ... units , but the diagram represents them as carrying the increasing load until 6 P. M. , when the seventh unit is ...
Edisi yang lain - Lihat semua
Istilah dan frasa umum
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