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 10
Сторінка 87
... rheostats , and by looking at Fig . 42 it will be seen that they correspond in position with the five small hand wheels located in the center panel of the board . This As seen from the front . board , therefore ,. Showing cables and ...
... rheostats , and by looking at Fig . 42 it will be seen that they correspond in position with the five small hand wheels located in the center panel of the board . This As seen from the front . board , therefore ,. Showing cables and ...
Сторінка 109
... rheostat R ' which , as will be seen , is con- nected in the field circuit of this machine . Another rheo- stat R is ... rheostats can be dispensed with , generally R ' . The fuses CC can be replaced by circuit breakers , or both devices ...
... rheostat R ' which , as will be seen , is con- nected in the field circuit of this machine . Another rheo- stat R is ... rheostats can be dispensed with , generally R ' . The fuses CC can be replaced by circuit breakers , or both devices ...
Сторінка 111
... rheostats , and D the main switch . The current taken from the side terminals of A passes to the two blades of D on the right side , and thence to the line terminals N N ' , one side of the circuit passing through the ammeter Am ' . The ...
... rheostats , and D the main switch . The current taken from the side terminals of A passes to the two blades of D on the right side , and thence to the line terminals N N ' , one side of the circuit passing through the ammeter Am ' . The ...
Сторінка 113
... rheostats , H a voltmeter transformer , Am the ammeter , V the voltmeter , G ' G ' ground detectors , and C C C fuses in the main lines . It will be noticed here that there is only one ammeter , and this is permanently connected in one ...
... rheostats , H a voltmeter transformer , Am the ammeter , V the voltmeter , G ' G ' ground detectors , and C C C fuses in the main lines . It will be noticed here that there is only one ammeter , and this is permanently connected in one ...
Сторінка 120
... rheostat R , which is connected so as to shunt the field coil . The synchronizing transformers are connected with each other through the bus bars B , the main line busses being at A , and the equalizing busses at C. In many cases rheostats ...
... rheostat R , which is connected so as to shunt the field coil . The synchronizing transformers are connected with each other through the bus bars B , the main line busses being at A , and the equalizing busses at C. In many cases rheostats ...
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