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 11
... thrown into the circuit of the generator field coils to bring it down to the required point , and if the voltage is too low the regulator resistance is cut out . From the foregoing it can be seen that to successfully operate a single ...
... thrown into the circuit of the generator field coils to bring it down to the required point , and if the voltage is too low the regulator resistance is cut out . From the foregoing it can be seen that to successfully operate a single ...
Сторінка 23
... throw , that is , it can be thrown to the right or left . When thrown to the right the current passes to the right side contacts , and from here to the B busses at the top of the switchboard . If the switch is thrown to the left it will ...
... throw , that is , it can be thrown to the right or left . When thrown to the right the current passes to the right side contacts , and from here to the B busses at the top of the switchboard . If the switch is thrown to the left it will ...
Сторінка 25
... throw switch S1 . The wires L from the street mains are con- nected with the contacts on the right of this S1 switch ... thrown in the direction shown in the diagram — that is , to the right - and then each one of the three wires con ...
... throw switch S1 . The wires L from the street mains are con- nected with the contacts on the right of this S1 switch ... thrown in the direction shown in the diagram — that is , to the right - and then each one of the three wires con ...
Сторінка 33
... throw light upon the subject that will serve to show the proper course to pursue to obtain the best results . In some cases the conditions to be fulfilled are few and easily met , while in others the conditions are numerous and of ne ...
... throw light upon the subject that will serve to show the proper course to pursue to obtain the best results . In some cases the conditions to be fulfilled are few and easily met , while in others the conditions are numerous and of ne ...
Сторінка 36
... throw the other into service , it must be set in motion and its voltage brought up to equality with that of the running generator before its main switch is closed . Suppose the right - hand generator is in use , and that we desire to ...
... throw the other into service , it must be set in motion and its voltage brought up to equality with that of the running generator before its main switch is closed . Suppose the right - hand generator is in use , and that we desire to ...
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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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