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 28
Сторінка 9
... strength , therefore there is no danger of burning out the generator by overloading . In the incandescent lighting system the case is different ; each lamp adds its quota to the current strength required , and if the number of lamps is ...
... strength , therefore there is no danger of burning out the generator by overloading . In the incandescent lighting system the case is different ; each lamp adds its quota to the current strength required , and if the number of lamps is ...
Сторінка 11
... series in the line N , and it measures the strength of the current in amperes . At R , the field regulating rheostat is located , being placed as shown by wires f f in series in the shunt field coil circuit . Am . Z m g g a f ( M II.
... series in the line N , and it measures the strength of the current in amperes . At R , the field regulating rheostat is located , being placed as shown by wires f f in series in the shunt field coil circuit . Am . Z m g g a f ( M II.
Сторінка 20
... strength of the cur- rent , all the current must pass through it ; but the volt- meter measures the pressure ; hence , it must be acted upon by the total pressure , and to be so acted upon , it must bridge the circuit from one side to ...
... strength of the cur- rent , all the current must pass through it ; but the volt- meter measures the pressure ; hence , it must be acted upon by the total pressure , and to be so acted upon , it must bridge the circuit from one side to ...
Сторінка 28
... strength changes , no one machine will be likely to take a portion of the load differing from its proper proportion by more than a few per cent . The way in which two shunt - wound generators are connected is shown in Fig . 15 , only ...
... strength changes , no one machine will be likely to take a portion of the load differing from its proper proportion by more than a few per cent . The way in which two shunt - wound generators are connected is shown in Fig . 15 , only ...
Сторінка 29
... strength of current in series of coils of both machines . pound type . When two or more generators of this lat- ter type are connected in parallel it is necessary to so con- nect the series coils that the strength of current passing ...
... strength of current in series of coils of both machines . pound type . When two or more generators of this lat- ter type are connected in parallel it is necessary to so con- nect the series coils that the strength of current passing ...
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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