Switchboards for Power, Light and Railway Service, Direct and Alternating Current, High and Low TensionDerry-Collard Company, 1906 - 192 стор. |
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Результати 1-5 із 20
Сторінка 8
... lamp circuit , in most cases not even a switch being used . Whenever it became necessary to discontinue the lights , the dynamo was stopped . Before long it became evident that a switch introduced into ... lamps would not burn steadily ; 8.
... lamp circuit , in most cases not even a switch being used . Whenever it became necessary to discontinue the lights , the dynamo was stopped . Before long it became evident that a switch introduced into ... lamps would not burn steadily ; 8.
Сторінка 9
... lamp adds its quota to the current strength required , and if the number of lamps is suffi- ciently increased , the current will become strong enough to burn out the generator , providing there is enough power behind it to keep it ...
... lamp adds its quota to the current strength required , and if the number of lamps is suffi- ciently increased , the current will become strong enough to burn out the generator , providing there is enough power behind it to keep it ...
Сторінка 20
... lamp placed at k serves to illuminate the board so that the attendant may be able to see the position of the switches and take readings of the instruments at all times . In Fig . 1 it will be noticed that the ammeter is placed so that ...
... lamp placed at k serves to illuminate the board so that the attendant may be able to see the position of the switches and take readings of the instruments at all times . In Fig . 1 it will be noticed that the ammeter is placed so that ...
Сторінка 36
... lamps or other apparatus upon the circuit from the street mains as well as from the generators . The street service being arranged upon the three - wire system , About safety fuses the circuits supplied through the S ' 36.
... lamps or other apparatus upon the circuit from the street mains as well as from the generators . The street service being arranged upon the three - wire system , About safety fuses the circuits supplied through the S ' 36.
Сторінка 61
... lamps , or motors , connected between the E bus and the top one , P bus , would be practically connected with the same end of the line , and would therefore not receive any current worth mentioning , as the voltage acting upon them ...
... lamps , or motors , connected between the E bus and the top one , P bus , would be practically connected with the same end of the line , and would therefore not receive any current worth mentioning , as the voltage acting upon them ...
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Загальні терміни та фрази
alternating current ammeter amperes angle armature arranged branch circuits break switches bus bars cables 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 Figure four fuse 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 switch S2 synchronizing three phase three-wire system tion transformers upper vapor vertical voltage voltmeter volts wattmeter Westinghouse