Switchboards for Power, Light and Railway Service, Direct and Alternating Current, High and Low TensionDerry-Collard Company, 1906 - 192 стор. |
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Результати 1-5 із 39
Сторінка 7
William Baxter. Switchboards In a very small , isolated plant , where a single generator is used , the current can be ... single phase and the polyphase , both being of the constant potential type . Constant current alternating currents ...
William Baxter. Switchboards In a very small , isolated plant , where a single generator is used , the current can be ... single phase and the polyphase , both being of the constant potential type . Constant current alternating currents ...
Сторінка 11
... 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 opening independently the several branch ...
... 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 opening independently the several branch ...
Сторінка 31
... of the circuits must be as indicated in Fig . 17. This dia- gram shows the various parts without any reference to systematic arrangement . We have , as in the case of the Two - pole switches . single generator , a field 31.
... of the circuits must be as indicated in Fig . 17. This dia- gram shows the various parts without any reference to systematic arrangement . We have , as in the case of the Two - pole switches . single generator , a field 31.
Сторінка 32
... single handle both circuits are opened . Such switches are called two - pole switches : Even with this arrangement we would not be able to entirely disconnect either one of the generators from the circuit ; for , as will be noticed , if ...
... single handle both circuits are opened . Such switches are called two - pole switches : Even with this arrangement we would not be able to entirely disconnect either one of the generators from the circuit ; for , as will be noticed , if ...
Сторінка 33
... single system of circuits , the arrange- ment of the switchboard becomes a decidedly simple matter . On the other hand , if we have two generators , and desire to so arrange them that they may feed into several independent circuits ...
... single system of circuits , the arrange- ment of the switchboard becomes a decidedly simple matter . On the other hand , if we have two generators , and desire to so arrange them that they may feed into several independent circuits ...
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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