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 19
Сторінка 9
... become strong enough to burn out the generator , providing there is enough power behind it to keep it running . To prevent burn- ing out generators of the incandescent type , by overload- ing , safety devices were gotten up ; these ...
... become strong enough to burn out the generator , providing there is enough power behind it to keep it running . To prevent burn- ing out generators of the incandescent type , by overload- ing , safety devices were gotten up ; these ...
Сторінка 18
... become a greater convenience . A switchboard is nothing more nor less than a board upon which these several devices are ar- ranged in systematic order . For the case shown in Fig . the switchboard would assume the appearance shown in ...
... become a greater convenience . A switchboard is nothing more nor less than a board upon which these several devices are ar- ranged in systematic order . For the case shown in Fig . the switchboard would assume the appearance shown in ...
Сторінка 27
... becomes necessary to provide means that will prevent one of the generators from taking more than its share of the load . If the machines are of the simple shunt - wound type , nothing can be done to equalize the work between them ...
... becomes necessary to provide means that will prevent one of the generators from taking more than its share of the load . If the machines are of the simple shunt - wound type , nothing can be done to equalize the work between them ...
Сторінка 32
... grounded , both generators would become useless . For a complete separation of the two machines we must have another switch in the wire running from line wire P to armature A. Arrangement of Instruments and Switches . In what follows , 32.
... grounded , both generators would become useless . For a complete separation of the two machines we must have another switch in the wire running from line wire P to armature A. Arrangement of Instruments and Switches . In what follows , 32.
Сторінка 33
... 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 , and be so disposed that either one of the generators may feed any ...
... 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 , and be so disposed that either one of the generators may feed any ...
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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