Switchboards for Power, Light and Railway Service: Direct and Alternating Currents, High and Low TensionNorman W. Henley, 1910 - 192 стор. |
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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 . I 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 . I 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
50 cents alternating current ammeter amperes arc light armature arranged break switches bus bars cables circuit breaker close the circuit Concrete conductors connected with bus construction contacts cross section current passes Derry Collard Derry Collard Co desired devices diagram distributing circuits double throw dynamo Electric erator feed field coils field regulator Figure fully illustrated fuse gas engines ground detector HISCOX inch instruments insulation lamps lightning arrester located Locomotive machine magnet main switch manufacture marble slabs mechanical meter motors nected O'CONOR SLOANE operation panel parallel Phase Switchboard plugs practical rent resistance rheostats safety fuse seen series coils set of busses short circuit shown in Fig shows shunt side sockets spark steam street mains synchronizing terminals three phase three-wire system tion transformers valve vapor vertical voltage voltmeter volts wattmeter Westinghouse wires
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