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 35
Сторінка 23
... contact of the same switch . The main switch is of the type called 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 ...
... contact of the same switch . The main switch is of the type called 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 ...
Сторінка 25
... contact of this switch a wire , i , runs out and branches into the two parts , j j ' , which are connected with the ... contacts on the right of this S , switch . When the generator is in use , the current from binding post b passes to ...
... contact of this switch a wire , i , runs out and branches into the two parts , j j ' , which are connected with the ... contacts on the right of this S , switch . When the generator is in use , the current from binding post b passes to ...
Сторінка 34
... contact of the main switches S and S ' . The connections from the ends of the series coils run to the right - hand ... contacts . If switch S is opened , the left - hand generator will be cut out of the circuit , and if switch S ' is ...
... contact of the main switches S and S ' . The connections from the ends of the series coils run to the right - hand ... contacts . If switch S is opened , the left - hand generator will be cut out of the circuit , and if switch S ' is ...
Сторінка 45
... contact of the S switches is connected with the switches marked A B C D , by means of the wires marked i . These last named switches are of the type called four point , that is , they have four contacts marked 1 2 3 4 , and the switch ...
... contact of the S switches is connected with the switches marked A B C D , by means of the wires marked i . These last named switches are of the type called four point , that is , they have four contacts marked 1 2 3 4 , and the switch ...
Сторінка 46
... contact 3. In the same way any of the generators can be set so as to feed into any of the busses . Hence , we have in this construc- tion of switchboard an arrangement whereby any one , or all , of the generators can be connected with ...
... contact 3. In the same way any of the generators can be set so as to feed into any of the busses . Hence , we have in this construc- tion of switchboard an arrangement whereby any one , or all , of the generators can be connected with ...
Інші видання - Показати все
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