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 12
Сторінка 11
... regulator . If the voltage of the generator is too high , a sufficient portion of the regulator resist- ance is thrown into the circuit of the generator field coils to bring it down to the required point , and if the voltage is too low ...
... regulator . If the voltage of the generator is too high , a sufficient portion of the regulator resist- ance is thrown into the circuit of the generator field coils to bring it down to the required point , and if the voltage is too low ...
Сторінка 18
... regulator , we can return to Fig . I and consider the connections with the distributing circuits . In this diagram , the circle A represents the generator armature , and M is the shunt field coil , or more properly , the rep ...
... regulator , we can return to Fig . I and consider the connections with the distributing circuits . In this diagram , the circle A represents the generator armature , and M is the shunt field coil , or more properly , the rep ...
Сторінка 21
... regulator located on the switchboard , the adjustment of the gen- erator to the proper voltage is greatly facilitated , for the attendant can turn the regulator handle while watching the voltmeter , and thus see just when the proper ...
... regulator located on the switchboard , the adjustment of the gen- erator to the proper voltage is greatly facilitated , for the attendant can turn the regulator handle while watching the voltmeter , and thus see just when the proper ...
Сторінка 27
... regulator R are omitted . In Fig . II the wires from the generator are shown connected with the circuit breaker , but they can also be arranged as in Fig . 14 so as to have the current pass first through the main switch and then through ...
... regulator R are omitted . In Fig . II the wires from the generator are shown connected with the circuit breaker , but they can also be arranged as in Fig . 14 so as to have the current pass first through the main switch and then through ...
Сторінка 28
... regulators being represented , so as to avoid compli- cation . Three , four or any other number of shunt ma- chines would be connected in the same manner ; that is , with all the a brushes connected with one bus bar , and all the b ...
... regulators being represented , so as to avoid compli- cation . Three , four or any other number of shunt ma- chines would be connected in the same manner ; that is , with all the a brushes connected with one bus bar , and all the b ...
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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