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 16
Сторінка 23
... marked i , and then the current will pass to the lower busses , marked A. The small switches , SI S2 are shown connected with the upper busses B , and the switch s3 is connected with busses A. The switch , s s , is provided for the ...
... marked i , and then the current will pass to the lower busses , marked A. The small switches , SI S2 are shown connected with the upper busses B , and the switch s3 is connected with busses A. The switch , s s , is provided for the ...
Сторінка 38
... marked 3 , connects with the main switches S1 and S2 , and through wires d d ' which will be recognized at once as the equalizing wire , that is , wires dd ' together with bus 3 , constitute the equalizing wire . These equalizing wires ...
... marked 3 , connects with the main switches S1 and S2 , and through wires d d ' which will be recognized at once as the equalizing wire , that is , wires dd ' together with bus 3 , constitute the equalizing wire . These equalizing wires ...
Сторінка 40
... marked A. If either switch is thrown to the opposite side it will connect its generator with the top busses B. Both generators can be connected with the top busses and either one can be connected with either set of busses , but the ...
... marked A. If either switch is thrown to the opposite side it will connect its generator with the top busses B. Both generators can be connected with the top busses and either one can be connected with either set of busses , but the ...
Сторінка 45
... marked A B C D , by means of the wires marked i . These last named switches are of the type called four point , that is , they have four contacts marked 1 2 3 4 , and the switch lever , which is pivoted in the center , can swing around ...
... marked A B C D , by means of the wires marked i . These last named switches are of the type called four point , that is , they have four contacts marked 1 2 3 4 , and the switch lever , which is pivoted in the center , can swing around ...
Сторінка 48
... marked k . This switch is of the double throw type , and when turned to the right connects with the center row of contacts of Switch S2 . The right - side row of contacts of this switch connect with the busses C. Thus , with the ...
... marked k . This switch is of the double throw type , and when turned to the right connects with the center row of contacts of Switch S2 . The right - side row of contacts of this switch connect with the busses C. Thus , with the ...
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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