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 21
Сторінка 23
... upper busses B , and the switch s3 is connected with busses A. The switch , ss , 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 ...
... upper busses B , and the switch s3 is connected with busses A. The switch , ss , 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 ...
Сторінка 25
... upper contact of this switch a wire , i , runs out and branches into the two parts , j j ' , which are connected with the top and bottom contacts on the left side of the double - throw switch S1 . The wires L from the street mains are ...
... upper contact of this switch a wire , i , runs out and branches into the two parts , j j ' , which are connected with the top and bottom contacts on the left side of the double - throw switch S1 . The wires L from the street mains are ...
Сторінка 31
... upper ends . As m and m ' are of the same resistance , or nearly so , in generators of the same size , the current coming through wire N will divide upon reaching n , one half passing to m , by wire a , and the other half to m ' , by ...
... upper ends . As m and m ' are of the same resistance , or nearly so , in generators of the same size , the current coming through wire N will divide upon reaching n , one half passing to m , by wire a , and the other half to m ' , by ...
Сторінка 36
... upper set , and the current from the P bus will pass to the center bus of the upper set . With this connection , therefore , the current will pass out to the external circuit through the center bus and return to the two outside ones ...
... upper set , and the current from the P bus will pass to the center bus of the upper set . With this connection , therefore , the current will pass out to the external circuit through the center bus and return to the two outside ones ...
Сторінка 37
... upper 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 ...
... upper 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 ...
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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 four fuse ground detector h Figure hence increased independent instruments insulation lamps lever light board lightning arrester lightning discharge located lower machines magnet main switch marble slabs means meter nected opening the circuit operated panel placed plugs rent resistance rheostats safety fuse seen series coils set of busses short circuit shown in Fig shows shunt sockets spark street mains switch blade switch is closed synchronizing three phase three-wire system tion transformers two-pole upper vapor vertical voltage voltmeter volts wattmeter Westinghouse