Convention, Volume 18 |
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Halaman 202
... phase currents , that is , three currents displaced from each other by 120 degrees but the flow of current is single - phase ; that is , all the currents are practically in phase with each other . In this regard , the monocyclic system ...
... phase currents , that is , three currents displaced from each other by 120 degrees but the flow of current is single - phase ; that is , all the currents are practically in phase with each other . In this regard , the monocyclic system ...
Halaman 203
... one essential difference between single - phase and polyphase systems , and that is in the nature of the flow of energy . In the single - phase alternating current system , the flow of energy is pulsating , and reaches zero at least ...
... one essential difference between single - phase and polyphase systems , and that is in the nature of the flow of energy . In the single - phase alternating current system , the flow of energy is pulsating , and reaches zero at least ...
Halaman 209
... single - phase system . Considering the two - phase , three- wire system , the figure 145.5 was stated as the relative amount of copper used , and that a possible reduction . to 72.8 of the extreme electro - motive force can be ...
... single - phase system . Considering the two - phase , three- wire system , the figure 145.5 was stated as the relative amount of copper used , and that a possible reduction . to 72.8 of the extreme electro - motive force can be ...
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alternating current amount amperes apparatus arc lamps arc lighting armature boilers candle-power capacity carbons cell cent central station charge circuit Cleveland committee connected convention copper curve direct current discharge disruptive discharges dynamo economy Edison Edison illuminating companies effective horse-power efficiency Electric Company Electric Light Association Electric Light Company electrical horse-power electro-motive force energy feed and steam feed storage fixed annual cost gas engine gentlemen horse-power hour illuminometer incandescent inches indicated horse-power installation instrument insulation interest Light and Power lightning arrester machine maximum measured monocyclic system motor National Electric Light operation paper PERRY plant plates polyphase system pound of coal Power Company power wire practice PRESIDENT Professor question SEELY single-phase spark gaps standard candle station battery steam storage storage battery tanks test object thermal storage vessel three-phase three-wire system to-day Total fixed annual transformers two-phase units variable load voltage volts watts