Switchboards for Power, Light and Railway Service, Direct and Alternating Current, High and Low TensionDerry-Collard Company, 1905 - 192 стор. |
З цієї книги
Результати 1-5 із 25
Сторінка 13
... at one end , but when the generator is intended to be used singly , the armature can be connected between the series field coils , as in Fig . 5 , or as in Fig . 6. In the first Long and short shunts . one of these two diagrams 13.
... at one end , but when the generator is intended to be used singly , the armature can be connected between the series field coils , as in Fig . 5 , or as in Fig . 6. In the first Long and short shunts . one of these two diagrams 13.
Сторінка 14
... short shunt , and is the one most generally used , and , in fact , the only N N Am m : Am g A d A d h M K M M R R m -m h Figure 5 The Derry Collard Co. Figure 6 Other methods of connecting generators . proper one if close regulation of ...
... short shunt , and is the one most generally used , and , in fact , the only N N Am m : Am g A d A d h M K M M R R m -m h Figure 5 The Derry Collard Co. Figure 6 Other methods of connecting generators . proper one if close regulation of ...
Сторінка 31
... short wire c , and from here it may , and it may not , pass in equal amounts by the wires d and d ' to the two arma- tures . If the wires b b ' , d d ' and c were not provided , and the current from armature A passed directly to coil m ...
... short wire c , and from here it may , and it may not , pass in equal amounts by the wires d and d ' to the two arma- tures . If the wires b b ' , d d ' and c were not provided , and the current from armature A passed directly to coil m ...
Сторінка 32
... short- circuiting armature A ' through armature A. To be able to entirely disconnect the two generators it is necessary , therefore , to provide the additional switch s " . When the generators are running , it is not safe to open the ...
... short- circuiting armature A ' through armature A. To be able to entirely disconnect the two generators it is necessary , therefore , to provide the additional switch s " . When the generators are running , it is not safe to open the ...
Сторінка 47
... short circuit in one to interfere with the operation of the others ; hence , if each system is so arranged as to be disconnected entirely , the operation will be more satisfactory . Twelve switches here . Fig . 22 shows an arrangement 47.
... short circuit in one to interfere with the operation of the others ; hence , if each system is so arranged as to be disconnected entirely , the operation will be more satisfactory . Twelve switches here . Fig . 22 shows an arrangement 47.
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Загальні терміни та фрази
alternating current ammeter amperes angle armature arranged branch circuits break switches bus bars cables carbon 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 G Figure 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 synchronizing three phase three-wire system tion transformers two-pole upper vapor vertical voltage voltmeter volts wattmeter Westinghouse