Switchboards for Power, Light and Railway Service, Direct and Alternating Current, High and Low TensionDerry-Collard Company, 1906 - 192 стор. |
З цієї книги
Результати 1-5 із 27
Сторінка 21
... busses g and h , but these , as will be found by tracing the wires , are the two sides of the circuit , just as the wires N and P in Fig . 1 are . The switchboard should be placed in a vertical position , near the wall , but not so near ...
... busses g and h , but these , as will be found by tracing the wires , are the two sides of the circuit , just as the wires N and P in Fig . 1 are . The switchboard should be placed in a vertical position , near the wall , but not so near ...
Сторінка 23
... busses B , and the switch s3 is connected with busses A. The switch , s s , is provided for the purpose of connecting the two sets of busses , and when it is closed the generator will feed into the entire system , regardless of what ...
... busses B , and the switch s3 is connected with busses A. The switch , s s , is provided for the purpose of connecting the two sets of busses , and when it is closed the generator will feed into the entire system , regardless of what ...
Сторінка 25
... busses 1 and 3 , and the current from post a passes to bus 2. It will thus be seen that if bus 2 is negative , busses I and 3 will be positive . When the street wires are to supply the current , the switch S , is thrown in the direction ...
... busses 1 and 3 , and the current from post a passes to bus 2. It will thus be seen that if bus 2 is negative , busses I and 3 will be positive . When the street wires are to supply the current , the switch S , is thrown in the direction ...
Сторінка 36
... busses N and P , as is clearly shown by the wires v v , v ′ v ' , v " v " . Under the ordinary running conditions , the voltmeter is connected with the busses , and the switch s , when turned to make this connection , disconnects the ...
... busses N and P , as is clearly shown by the wires v v , v ′ v ' , v " v " . Under the ordinary running conditions , the voltmeter is connected with the busses , and the switch s , when turned to make this connection , disconnects the ...
Сторінка 37
... busses , each main being connected with a separate bus bar . In the diagram , Fig . 18 , no circuit breakers are shown , owing to the fact that in this case the generators are pro- tected by simple safety fuses . These fuses can be ...
... busses , each main being connected with a separate bus bar . In the diagram , Fig . 18 , no circuit breakers are shown , owing to the fact that in this case the generators are pro- tected by simple safety fuses . These fuses can be ...
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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