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 34
Сторінка 32
... break- ers , and at s a switch for opening the circuit of the left- side generator , while at s ' is a similar switch for the right- side generator . In this diagram the wire e is the equaliz- ing wire and takes the place of the wires ...
... break- ers , and at s a switch for opening the circuit of the left- side generator , while at s ' is a similar switch for the right- side generator . In this diagram the wire e is the equaliz- ing wire and takes the place of the wires ...
Сторінка 58
... on both sides ; thus if the circuit breaker directly above the left - hand generator is opened it will break the connection between the board and the two wires running to the generator , one to the left side Am 3 O Am Am Am 3 CB Am Am 58.
... on both sides ; thus if the circuit breaker directly above the left - hand generator is opened it will break the connection between the board and the two wires running to the generator , one to the left side Am 3 O Am Am Am 3 CB Am Am 58.
Сторінка 78
... break the insulators . For the same reason it is well to make the surfaces of D and E cut away slightly around the edges , so that the pressure may be ex- erted against the center portion . In some instances the conducting bars are sup ...
... break the insulators . For the same reason it is well to make the surfaces of D and E cut away slightly around the edges , so that the pressure may be ex- erted against the center portion . In some instances the conducting bars are sup ...
Сторінка 84
... break out . The bottom of a switchboard should be of such height that the attendant can see the lower instruments or switches without inconvenience , and the top should be of such a height that the highest instruments can be reached ...
... break out . The bottom of a switchboard should be of such height that the attendant can see the lower instruments or switches without inconvenience , and the top should be of such a height that the highest instruments can be reached ...
Сторінка 129
... Break Field Switch Generator Switch www !! 30- Exciter Generator " -30- O60 Figure 73 Circuit connections of figure 69 . Pilot Lamp A.C. Voltmeter To Voltmeter + Fuse Blocks -Pilot Lamp -Exciter Rheostat D.C. Field Ammeter A.C.Ammeter ...
... Break Field Switch Generator Switch www !! 30- Exciter Generator " -30- O60 Figure 73 Circuit connections of figure 69 . Pilot Lamp A.C. Voltmeter To Voltmeter + Fuse Blocks -Pilot Lamp -Exciter Rheostat D.C. Field Ammeter A.C.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