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 24
Сторінка 23
... closed the generator will feed into the entire system , regardless of what direc- tion the main switch S may be in ; but when s s is open the current will pass to the busses with which S is con- nected . From the foregoing it will be ...
... closed the generator will feed into the entire system , regardless of what direc- tion the main switch S may be in ; but when s s is open the current will pass to the busses with which S is con- nected . From the foregoing it will be ...
Сторінка 34
... is opened , the right- hand generator will be cut out . When either one of these switches is closed , its respective generator is con- nected with the circuit , the center contact , which is the -m- R Am A simple switchboard . E N To 34.
... is opened , the right- hand generator will be cut out . When either one of these switches is closed , its respective generator is con- nected with the circuit , the center contact , which is the -m- R Am A simple switchboard . E N To 34.
Сторінка 35
... called the equalizing bus . If the two switches are closed , the two generators will be connected with . the circuit , and their equalizing wires will be connected Equalizing bus bars . through the bus E. The current 35.
... called the equalizing bus . If the two switches are closed , the two generators will be connected with . the circuit , and their equalizing wires will be connected Equalizing bus bars . through the bus E. The current 35.
Сторінка 36
... closed . The main switches S and S ' connect the generators with the lower set of busses , but if the switch S " is open , the cur- rent cannot pass to the external circuit . When this switch is closed to the left side , as shown in the ...
... closed . The main switches S and S ' connect the generators with the lower set of busses , but if the switch S " is open , the cur- rent cannot pass to the external circuit . When this switch is closed to the left side , as shown in the ...
Сторінка 40
... closed , and then the voltage developed by the armature is indicated notwithstanding that the main switch is opened , for the circuit between wires d and e will be closed through the voltmeter and the wires and i leading to the ammeter ...
... closed , and then the voltage developed by the armature is indicated notwithstanding that the main switch is opened , for the circuit between wires d and e will be closed through the voltmeter and the wires and i leading to the ammeter ...
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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