Convention, Volume 18 |
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Halaman 156
... the inefficiency of these dynamos . Another noteworthy fact is that , with one exception , all the new machines thus far described are of what is known as the closed coil type . This is the Paper: "Large Arc Dynamos," By C N Black.
... the inefficiency of these dynamos . Another noteworthy fact is that , with one exception , all the new machines thus far described are of what is known as the closed coil type . This is the Paper: "Large Arc Dynamos," By C N Black.
Halaman 157
National Electric Light Association. Convention. known as the closed coil type . This is the more remarkable when we consider that fully seventy - five per cent of the arc lights in this country are run from open coil dynamos . The open ...
National Electric Light Association. Convention. known as the closed coil type . This is the more remarkable when we consider that fully seventy - five per cent of the arc lights in this country are run from open coil dynamos . The open ...
Halaman 158
... coil machine . The fact that a large amount of self - induction is advanta- geous in an open coil machine has never , to my knowledge , been stated before , although on it depends the successful working of a machine of 2,000 volts , or ...
... coil machine . The fact that a large amount of self - induction is advanta- geous in an open coil machine has never , to my knowledge , been stated before , although on it depends the successful working of a machine of 2,000 volts , or ...
Halaman 159
... coil arc dynamos , and herein lies the great superiority of the former over the latter . Take , for example , a new open coil 125 - lighter and one of the latest closed coil 100 - light machines . In the one there are twenty - four ...
... coil arc dynamos , and herein lies the great superiority of the former over the latter . Take , for example , a new open coil 125 - lighter and one of the latest closed coil 100 - light machines . In the one there are twenty - four ...
Halaman 160
... coils , and then , with a Cardew voltmeter , he attempted to measure the difference of potential at the terminals of the secondary or fine wire coil . The pointer , however , remained at zero , showing absolutely no electro - motive ...
... coils , and then , with a Cardew voltmeter , he attempted to measure the difference of potential at the terminals of the secondary or fine wire coil . The pointer , however , remained at zero , showing absolutely no electro - motive ...
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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