Switchboards for Power, Light and Railway Service, Direct and Alternating Current, High and Low TensionDerry-Collard Company, 1905 - 192 стор. |
З цієї книги
Результати 1-5 із 7
Сторінка 20
... controlled by the small switches s's ' are derived . If the branch circuits L L L are very numerous the board B can be made wider , if there is room in the place where it is located to increase its di- mensions in that direction . If ...
... controlled by the small switches s's ' are derived . If the branch circuits L L L are very numerous the board B can be made wider , if there is room in the place where it is located to increase its di- mensions in that direction . If ...
Сторінка 46
... controlled by switch s2 , and that generator G4 supplies the circuit controlled by switch s3 . If it is desired to connect two of the generators , as , for example , G1 and G2 , with the same distributing circuit - say with the one con ...
... controlled by switch s2 , and that generator G4 supplies the circuit controlled by switch s3 . If it is desired to connect two of the generators , as , for example , G1 and G2 , with the same distributing circuit - say with the one con ...
Сторінка 58
... controlled directly and independently from the board , the others be- ing also controlled from the board , but not independently . The two generator circuits and the twelve distributing cir- cuits are provided with magnetic circuit ...
... controlled directly and independently from the board , the others be- ing also controlled from the board , but not independently . The two generator circuits and the twelve distributing cir- cuits are provided with magnetic circuit ...
Сторінка 60
... controlled by the circuit breaker switches . Only one voltmeter is used , and , as in the case of Fig . 18 this is normally connected with the working circuit so as to indicate the voltage of the line , but when the generators are to be ...
... controlled by the circuit breaker switches . Only one voltmeter is used , and , as in the case of Fig . 18 this is normally connected with the working circuit so as to indicate the voltage of the line , but when the generators are to be ...
Сторінка 65
... controlled by these switches can be fed from the generators or from the street mains . The circuit con- trolled by the lower Sm switch is provided with a circuit breaker , C B4 , and the three circuit breakers C B , C B , C B , protect ...
... controlled by these switches can be fed from the generators or from the street mains . The circuit con- trolled by the lower Sm switch is provided with a circuit breaker , C B4 , and the three circuit breakers C B , C B , C B , protect ...
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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