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
... double - throw , that is , it can be thrown to the right or left . When thrown to the right the current passes to the right side contacts , and from here to the B busses at the top of the switchboard . If the switch is thrown to the ...
... double - throw , that is , it can be thrown to the right or left . When thrown to the right the current passes to the right side contacts , and from here to the B busses at the top of the switchboard . If the switch is thrown to the ...
Сторінка 25
... double - throw switch S1 . The wires L from the street mains are con- nected with the contacts on the right of this S1 switch . When the generator is in use , the current from binding post b passes to busses 1 and 3 , and the current ...
... double - throw switch S1 . The wires L from the street mains are con- nected with the contacts on the right of this S1 switch . When the generator is in use , the current from binding post b passes to busses 1 and 3 , and the current ...
Сторінка 26
... double the cross section . Thus it will be seen e I 1 g 2 h h cb a b CO G do The Derry Collard Co. Am Figure 14 Current passes through main switch then to circuit breaker . that , while in a regular three - wire system the neutral wire ...
... double the cross section . Thus it will be seen e I 1 g 2 h h cb a b CO G do The Derry Collard Co. Am Figure 14 Current passes through main switch then to circuit breaker . that , while in a regular three - wire system the neutral wire ...
Сторінка 40
... double throw main switches , S1 and S2 , are provided instead of one , but these are necessary on account of there being two generators . In all other respects the diagrams are identical . The main switches in Fig . 20 are shown in the ...
... double throw main switches , S1 and S2 , are provided instead of one , but these are necessary on account of there being two generators . In all other respects the diagrams are identical . The main switches in Fig . 20 are shown in the ...
Сторінка 48
... double throw type , and when turned to the right connects with the center row of contacts of Switch S2 . The right - side row of contacts of this switch connect with the busses C. Thus , with the switches in the position shown ...
... double throw type , and when turned to the right connects with the center row of contacts of Switch S2 . The right - side row of contacts of this switch connect with the busses C. Thus , with the switches in the position shown ...
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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