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 21
Сторінка 8
... possible to put out the lights without stopping the dynamo , and this certainly would be advantageous in cases where it was desired to suspend the lights for only a few minutes . In this way the switch for opening the line came into use ...
... possible to put out the lights without stopping the dynamo , and this certainly would be advantageous in cases where it was desired to suspend the lights for only a few minutes . In this way the switch for opening the line came into use ...
Сторінка 25
... possible , and in small in- stallations very probable . When a building is wired so as to be supplied from the street mains upon the three- wire system , and from the house plant upon the two - wire system , the arrangement of the ...
... possible , and in small in- stallations very probable . When a building is wired so as to be supplied from the street mains upon the three- wire system , and from the house plant upon the two - wire system , the arrangement of the ...
Сторінка 36
... possible to operate the lamps or other apparatus upon the circuit from the street mains as well as from the generators . The street service being arranged upon the three - wire system , About safety fuses the circuits supplied through ...
... possible to operate the lamps or other apparatus upon the circuit from the street mains as well as from the generators . The street service being arranged upon the three - wire system , About safety fuses the circuits supplied through ...
Сторінка 43
... possible extent ; therefore , it is necessary to know how to proceed when complicated cases present them- selves , and the best way to reach this proficiency is by the study of arrangements calculated to meet more or less complex ...
... possible extent ; therefore , it is necessary to know how to proceed when complicated cases present them- selves , and the best way to reach this proficiency is by the study of arrangements calculated to meet more or less complex ...
Сторінка 46
... possible for the generators to feed into more than one circuit at the same time , all we have to do is to provide switches that will enable us to connect the various busses . Thus , if by means of a switch we connect busses 1 and 2 ...
... possible for the generators to feed into more than one circuit at the same time , all we have to do is to provide switches that will enable us to connect the various busses . Thus , if by means of a switch we connect busses 1 and 2 ...
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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