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 45
Сторінка 11
... seen that to successfully operate a single constant potential generator all we re- quire is a field regulator , a circuit breaker , an ammeter , a voltmeter and a switch to open the circuit . To this we should also add switches for ...
... seen that to successfully operate a single constant potential generator all we re- quire is a field regulator , a circuit breaker , an ammeter , a voltmeter and a switch to open the circuit . To this we should also add switches for ...
Сторінка 15
... , where the ca- pacity is great , the series coils are placed in parallel , as in Fig . 10. In both these diagrams it will be seen that the voltmeter and the ammeter are connected in the A multi - polar generator . same way as in 15.
... , where the ca- pacity is great , the series coils are placed in parallel , as in Fig . 10. In both these diagrams it will be seen that the voltmeter and the ammeter are connected in the A multi - polar generator . same way as in 15.
Сторінка 18
... seen and readily reached when desired . As to the switches d d d , it is not neces- sary that they should even be in the same room as the generator , for they can be placed at the points where the several circuits branch off . It can be ...
... seen and readily reached when desired . As to the switches d d d , it is not neces- sary that they should even be in the same room as the generator , for they can be placed at the points where the several circuits branch off . It can be ...
Сторінка 20
... seen that the line runs from the right side brush of the gen- erator to the circuit breaker , and from the central con- tact of this to the ammeter , by wire a , and thence , by wire b , to wire d to the bottom of the main switch S ...
... seen that the line runs from the right side brush of the gen- erator to the circuit breaker , and from the central con- tact of this to the ammeter , by wire a , and thence , by wire b , to wire d to the bottom of the main switch S ...
Сторінка 23
... seen that by this ar- rangement we can connect the generator with the upper or the lower busses independently , or we can connect it with both by closing the s s switch . Buildings in large cities that are provided with a light- ing ...
... seen that by this ar- rangement we can connect the generator with the upper or the lower busses independently , or we can connect it with both by closing the s s switch . Buildings in large cities that are provided with a light- ing ...
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 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