. The Street railway journal . HIGH TENSION AND EXCITER BOARD AT ULTIMO POWER HOUSE. WAVERLY SUB-STATION cannot be communicated to the switches are provided with re-verse-current relays which light up a redlamp on the front of the board should anyreversal of current take place, but do nottrip the switch, as this is not thought ad-visable. Feeder switches are providedwith overload relays, which, in addition totripping the switch, should the current riseabove a predetermined amount, also lightup a red lamp in the front of the board,thus drawing the attendants attention tothis sw
. The Street railway journal . HIGH TENSION AND EXCITER BOARD AT ULTIMO POWER HOUSE. WAVERLY SUB-STATION cannot be communicated to the switches are provided with re-verse-current relays which light up a redlamp on the front of the board should anyreversal of current take place, but do nottrip the switch, as this is not thought ad-visable. Feeder switches are providedwith overload relays, which, in addition totripping the switch, should the current riseabove a predetermined amount, also lightup a red lamp in the front of the board,thus drawing the attendants attention tothis switch. Each generator panel is pro-vided with a recording and an indicatingwattmeter, a main ammeter and voltmeter,and a field ammeter. Each feeder panel isprovided with a recording wattmeter andthree ammeters, one for each phase. Thegenerator summation panel is providedwith one recording wattmeter, three am-meters and three voltmeters, thus showingthe grounding or unbalancing of anyphase. Two indicating wattmeters deter-mine the instantaneous power , voltmeters and
Size: 1383px × 1806px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
