The Technical World Magazine, Volume 2Technical World Company, 1905 |
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Page 15
... pressure is " stepped down " to the voltage of the lamps on the circuit . The regulation - that is , the steadiness and constancy - of the voltage of these alternating - current lines , was very much poorer than that of the direct ...
... pressure is " stepped down " to the voltage of the lamps on the circuit . The regulation - that is , the steadiness and constancy - of the voltage of these alternating - current lines , was very much poorer than that of the direct ...
Page 16
... pressure of 10,000 volts was used , obtained by means of connecting the 500 - volt primaries of twenty trans- formers in series . Thus each trans- former had to have insulation for a working pressure of only 500 volts , which was ...
... pressure of 10,000 volts was used , obtained by means of connecting the 500 - volt primaries of twenty trans- formers in series . Thus each trans- former had to have insulation for a working pressure of only 500 volts , which was ...
Page 17
... pressure of 12,000 volts , 38 cycles , was adopted ; while in the latter , the generated pressure of 1,000 volts , 60 cycles , was stepped up to 25,000 volts . Many of the polyphase stations built in the early nineties were equipped ...
... pressure of 12,000 volts , 38 cycles , was adopted ; while in the latter , the generated pressure of 1,000 volts , 60 cycles , was stepped up to 25,000 volts . Many of the polyphase stations built in the early nineties were equipped ...
Page 18
... pressure . A study of the load curve of an average central station in a large city ( Fig . 18 ) shows that the feeders are carrying their heavy current LOAD 12 2 4 8 10 NOON 2 A.M. 4 8 10 12 FIG . 18. TYPICAL LOAD CURVE OF CITY CENTRAL ...
... pressure . A study of the load curve of an average central station in a large city ( Fig . 18 ) shows that the feeders are carrying their heavy current LOAD 12 2 4 8 10 NOON 2 A.M. 4 8 10 12 FIG . 18. TYPICAL LOAD CURVE OF CITY CENTRAL ...
Page 20
... pressure . The minimum of 400 feet is with full load and against a wind pressure of 30 miles per hour . Recently this crane placed in position . on shipboard , a battleship sternpost weighing eighteen tons , and , with the assistance of ...
... pressure . The minimum of 400 feet is with full load and against a wind pressure of 30 miles per hour . Recently this crane placed in position . on shipboard , a battleship sternpost weighing eighteen tons , and , with the assistance of ...
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Address The Technical airship alternating current American School amperes apparatus automatic automobile battery boiler bridge building canal Catalogue cent Chicago circuit coal Company complete connected construction cost course cylinder Department device diameter direct current Drawing dynamo elec Electrical Engineering electrode electromotive force equipment experience feet gas engine give heat horse-power hour illustrated inches industry invention inventor lamp light load locomotive machine machinery magneto manufacture Mechanical ment Mention The Technical Meyer Guggenheim miles modern month motor MOUNT VESUVIUS naval operation patent Patent Attorney pipe piston plant plates position pounds practical pressure Price pump railroad Railway School of Correspondence ship speed station steam steam engine steel Street student success supply Technical World telegraphy telephone tion tons tricity turbine United valves vessel volts wheel wire York