Switchboards for Power, Light and Railway Service, Direct and Alternating Current, High and Low TensionDerry-Collard Company, 1905 - 192 стор. |
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Результати 1-5 із 27
Сторінка 11
... independently the several branch circuits . From Fig . I an idea of the de- vices and the manner in which they are connected can be obtained . Before proceeding to explain this diagram it will be well to show the connections of the ...
... independently the several branch circuits . From Fig . I an idea of the de- vices and the manner in which they are connected can be obtained . Before proceeding to explain this diagram it will be well to show the connections of the ...
Сторінка 21
... independent distributing systems , and to have the connection with the generator so arranged that any one system may be operated alone or all at the same time . If the external circuits are divided into two independent systems , the ...
... independent distributing systems , and to have the connection with the generator so arranged that any one system may be operated alone or all at the same time . If the external circuits are divided into two independent systems , the ...
Сторінка 23
... independently , or we can connect it with both by closing the s s switch . Buildings in large cities that are provided with a light- ing plant are , as a rule , arranged so that current may be Current from street mains . drawn from the ...
... independently , or we can connect it with both by closing the s s switch . Buildings in large cities that are provided with a light- ing plant are , as a rule , arranged so that current may be Current from street mains . drawn from the ...
Сторінка 33
... independent problem , and the disposition of the parts must be such as to best meet the particular re- quirements . Since no general rules can be laid down , the only course of procedure left is to present practical examples of boards ...
... independent problem , and the disposition of the parts must be such as to best meet the particular re- quirements . Since no general rules can be laid down , the only course of procedure left is to present practical examples of boards ...
Сторінка 38
... independently , when desired , so that the strength of each current may be determined . While we have shown two ammeters in Fig . 21 we have only pro- vided one voltmeter , and this is arranged to indicate the voitage between the two ...
... independently , when desired , so that the strength of each current may be determined . While we have shown two ammeters in Fig . 21 we have only pro- vided one voltmeter , and this is arranged to indicate the voitage between the two ...
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Загальні терміни та фрази
alternating current ammeter amperes angle armature arranged branch circuits break switches bus bars cables carbon circuit breaker circuit connections close the circuit conducting bars conductors connected with bus construction cross section current passes current strength Derry Collard Derry Collard Co desired devices diagram distributing circuits double throw Electric equalizing bus equalizing wires erator feed field coils field regulator four fuse G Figure ground detector hence increased independent Independent Circuits instruments insulation lamps lever light board lightning arrester located lower machines magnet main switch marble slabs means meter nected Non-arcing metals operated panel Phase Switchboard rent resistance rheostats safety fuse seen series coils set of busses short circuit shown in Fig shows shunt single phase sockets spark street mains switch blade synchronizing three phase three-wire system tion transformers two-pole upper vapor vertical voltage voltmeter volts wattmeter Westinghouse