. The Street railway journal . FIG. 7—SWITCHBOARD OF WASH STREET SUBSTATION which it can be thrown on the upper or lower bus-bars, andthrough a three-pole oil circuit breaker. The handle ofthe double-throw switch is shown at the left, and the handlefor resetting the circuit breaker at the right on each panel. FIG. 6.—INTERIOR OF WASH STREET SUBSTATION comes on the feed lines the secondary of this series trans-former actuates a solenoid plunger, which closes the excitercircuit that trips the circuit breaker. The circuit breaker is built on the same principle as theoil switch. The switches and c
. The Street railway journal . FIG. 7—SWITCHBOARD OF WASH STREET SUBSTATION which it can be thrown on the upper or lower bus-bars, andthrough a three-pole oil circuit breaker. The handle ofthe double-throw switch is shown at the left, and the handlefor resetting the circuit breaker at the right on each panel. FIG. 6.—INTERIOR OF WASH STREET SUBSTATION comes on the feed lines the secondary of this series trans-former actuates a solenoid plunger, which closes the excitercircuit that trips the circuit breaker. The circuit breaker is built on the same principle as theoil switch. The switches and circuit breakers are locatedin a set of brick cells some distance back ofthe board, as seen in Fig. 4, and a series ofrods and bell crank levers connects themwith the handles on the board. A goodidea of the wiring behind the board can beobtained from Fig. 4. Plenty of roommust be allowed for safety and conveniencearound a high-tension board of this series transformers and lightning ar-resters are on the wall back o
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Keywords: ., bookcentury1800, bookdecade1880, bookidstreetrailwa, bookyear1884
