. Electric railway journal . NEW PUBLIC SERVICE POWER PLANT—440-VOLT GROUP BUS ANDCONNECTIONS POWER TRANSFORMER OIL SWITCH NEW PUBLIC SERVICE POWER PLANT BRACED GENERATOR LEAD THREE-PHASE FEEDER OIL SWITCH 1044 ELECTRIC RAILWAY JOURNAL [Vol. XLIX, No. 23 storage battery is provided automatically to furnish ex-citation in emergency, while the spare exciter is beingbrought into commission. House Service Power Supply In this plant the fullest possible use of electric powerhas been used for driving auxiliaries, most of whichare operated by means of three-phase motors. Thispower is supplied through
. Electric railway journal . NEW PUBLIC SERVICE POWER PLANT—440-VOLT GROUP BUS ANDCONNECTIONS POWER TRANSFORMER OIL SWITCH NEW PUBLIC SERVICE POWER PLANT BRACED GENERATOR LEAD THREE-PHASE FEEDER OIL SWITCH 1044 ELECTRIC RAILWAY JOURNAL [Vol. XLIX, No. 23 storage battery is provided automatically to furnish ex-citation in emergency, while the spare exciter is beingbrought into commission. House Service Power Supply In this plant the fullest possible use of electric powerhas been used for driving auxiliaries, most of whichare operated by means of three-phase motors. Thispower is supplied through two 3000-kva. transformers,and a third will be added this year. The power circuitssupply current at 440 volts. For lighting there are two200-kva. single-phase transformers supplying current at250 and 125 volts on the three-wire system. Safety Car Operation Importance, with One Operator, of Automatic De-vices—Comparison of One-Man andTwo-Man Service AMONG the papers scheduled for presentation at themeeting of the Iowa El
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