Switchboards for Power, Light and Railway Service, Direct and Alternating Current, High and Low TensionDerry-Collard Company, 1905 - 192 стор. |
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Сторінка 7
... feeding into a more or less complicated network of distributing wires , the circuit connections will be- come complicated unless a systematic way of arranging them is resorted to . There will be considerable complica- tion even if only ...
... feeding into a more or less complicated network of distributing wires , the circuit connections will be- come complicated unless a systematic way of arranging them is resorted to . There will be considerable complica- tion even if only ...
Сторінка 23
... feed into the entire system , regardless of what direc- tion the main switch S may be in ; but when s s is open the current will pass to the busses with which S is con- nected . From the foregoing it will be seen that by this ar ...
... feed into the entire system , regardless of what direc- tion the main switch S may be in ; but when s s is open the current will pass to the busses with which S is con- nected . From the foregoing it will be seen that by this ar ...
Сторінка 27
... feed into the same system of external wires , the simplicity of Fig . 11 cannot be preserved , for then it becomes necessary to provide means that will prevent one of the generators from taking more than its share of the load . If the ...
... feed into the same system of external wires , the simplicity of Fig . 11 cannot be preserved , for then it becomes necessary to provide means that will prevent one of the generators from taking more than its share of the load . If the ...
Сторінка 33
... feed into a 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 ...
... feed into a 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 ...
Сторінка 34
... feed some of the circuits while the other feeds the balance , then we will have a complicated ar- rangement , and may have to exercise our ingenuity to the fullest extent to avoid the use of unnecessary switches , etc. , and to avoid ...
... feed some of the circuits while the other feeds the balance , then we will have a complicated ar- rangement , and may have to exercise our ingenuity to the fullest extent to avoid the use of unnecessary switches , etc. , and to avoid ...
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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