Switchboards for Power, Light and Railway Service, Direct and Alternating Current, High and Low TensionDerry-Collard Company, 1906 - 192 стор. |
З цієї книги
Результати 1-5 із 16
Сторінка 37
... separate bus bar . In the diagram , Fig . 18 , no circuit breakers are shown , owing to the fact that in this case the generators are pro- tected by simple safety fuses . These fuses can be mounted upon the switchboard or at any other ...
... separate bus bar . In the diagram , Fig . 18 , no circuit breakers are shown , owing to the fact that in this case the generators are pro- tected by simple safety fuses . These fuses can be mounted upon the switchboard or at any other ...
Сторінка 40
... separate set of busses , we can run them at different voltages , but if both feed into the same set as represented in the diagram , the voltage must be equalized . Therefore , unless the two voltmeters indicate the same pressure , the ...
... separate set of busses , we can run them at different voltages , but if both feed into the same set as represented in the diagram , the voltage must be equalized . Therefore , unless the two voltmeters indicate the same pressure , the ...
Сторінка 51
... separate distributing sys- tems , these are not entirely disconnected , but , on the contrary , all have the busses 5 and 6 in common , and on that account a disarrangement of one set of circuits might result in disabling the whole ...
... separate distributing sys- tems , these are not entirely disconnected , but , on the contrary , all have the busses 5 and 6 in common , and on that account a disarrangement of one set of circuits might result in disabling the whole ...
Сторінка 61
... separately , but at all times feed into the same system of distributing circuits . Fig . 18 has a double set of bus bars , and before the current can pass to the distributing circuit it is neces- sary to close the S " switch ; and this ...
... separately , but at all times feed into the same system of distributing circuits . Fig . 18 has a double set of bus bars , and before the current can pass to the distributing circuit it is neces- sary to close the S " switch ; and this ...
Сторінка 63
... separately , two generators fur- nishing current for one part , and the other generator sup- plying the remainder . The way in which these results are accomplished can be readily understood from the follow- ing description : The three ...
... separately , two generators fur- nishing current for one part , and the other generator sup- plying the remainder . The way in which these results are accomplished can be readily understood from the follow- ing description : The three ...
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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 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