. Electric railway journal . Calibrating /Rheostat (R2) Armature (A)Series Bucking Bar(S2) ^=-LaminatedField0 J (F1&F2) VJOtJPl _, High Speed Circuit Breaker ♦Abstract of paper read at Pittsburgh meeting of the ,March 12, 1920. tSee issue of Electric Railway Journal for July 6, 1918,page 9. CIRCUIT DIAGRAM FOR CONNECTIONS OF HIGH SPEEDCIRCUIT BREAKER of the electrification of its Pacific Coast and CascadeMountain divisions. This breaker was used instead of the first type ofcircuit breaker, which has given successful operationduring the past three years in the fourteen substationsof the
. Electric railway journal . Calibrating /Rheostat (R2) Armature (A)Series Bucking Bar(S2) ^=-LaminatedField0 J (F1&F2) VJOtJPl _, High Speed Circuit Breaker ♦Abstract of paper read at Pittsburgh meeting of the ,March 12, 1920. tSee issue of Electric Railway Journal for July 6, 1918,page 9. CIRCUIT DIAGRAM FOR CONNECTIONS OF HIGH SPEEDCIRCUIT BREAKER of the electrification of its Pacific Coast and CascadeMountain divisions. This breaker was used instead of the first type ofcircuit breaker, which has given successful operationduring the past three years in the fourteen substationsof the 440-mile original electrification of this new breaker has the advantages of lower cost and. FLASH BARRIERS APPLIED TO SYNCHRONOUSCONVERTER CONVERTER EQUIPPED WITH LATEST TYPE OF BRUSHHOLDER PROTECTION 516 Electric Railway Journal Vol. 55, No. 11 greater simplicity. One of these breakers is used witheach of the 2,000-kw. 3,000-volt synchronous motor-generator sets in the Tacoma, Renton, Cathedral Falls,Hyak, and Cle Elum substations, and the remaining fivebreakers are placed one each on the new gearless pas-senger locomotives. On account of the lower cost ofthese breakers and the advantages of using the unitsystem throughout, each of the sets is protected by itsown high-speed breaker instead of one breaker per sub-station, the arrangement in the original general connections, location of circuit breakers,etc., are shown in an accompanying Thecircuit breakers for the substations and locomotives areexactly alike, with the exception of interlocking andcalibration for tripping points. The circuit breakers were given a very exhaustivetest in connection wi
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