. Electric railway gazette . rested at the present time in improvedmethods of constructing power stations, this ex-hibit was examined very carefully by many of thedelegates. This style of roof-lining has been usedin the construction of a great many power stationsfor electric street railways. The merits of thismethod of construction were explained by the. companys representative, John M. Field. BUS-BAR SWITCH FOE CENTEAL STATIONS. It is often a matter of convenience or necessityto shift the busbar connections, particularly wheretwo or more potentials are employed in the samestation, and it has
. Electric railway gazette . rested at the present time in improvedmethods of constructing power stations, this ex-hibit was examined very carefully by many of thedelegates. This style of roof-lining has been usedin the construction of a great many power stationsfor electric street railways. The merits of thismethod of construction were explained by the. companys representative, John M. Field. BUS-BAR SWITCH FOE CENTEAL STATIONS. It is often a matter of convenience or necessityto shift the busbar connections, particularly wheretwo or more potentials are employed in the samestation, and it has been customary in large stations,where the switchboards were located in a gallery,to carry leads to these switchboards which werecapable of carrying the entire current generatedand delivered to the bus bars. In the case of largestations this becomes a serious cost, on account ofthe large amount of copper required, and it is alsoundesirable because it increases the length and re-sistance of the dynamo leads to the gallery and. Bus Bar Switch for Central Stations. the feeders from the gallery, which should be keptas small as possible, as it involves constantwaste of current. To obviate this expensethe improvement illustrated in the accom-panying cut was devised, by Albert B. Her-rick, of Schenectady, N. Y. The inventionconsists in an arrangement of the gallery and theswitches, whereby tlie connecting parts or polesof the switch are arranged adjacent to the bus-bars which are to be connected, while the entireoperating system is assembled in the gallery at aconvenient point, and the only connections neces-sary are those for the shunt field rheostat, theshunt ammeters, and the voltmeters; the connec-tion between the poles of the switches and theoperating handles at the switchboards being en-tirely mechanical, so that the waste of current andof copper pointed out is obviated. So serious isthis waste and extra expense that in a single in-stance in a large station 33 tons of copper wou
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishernewyo, bookyear1895
