. The Street railway journal . JOURNAL. 283 tion. The width of air-gap adopted is about twice that em-ployed with stationary induction motors of corresponding motors are wound for 200 volts, are permanently con-nected two in series, and are fed from the 400-volt secondaryof an 80-kw air-blast step-down transformer carried on the distributed character of the field winding fully compensatesfor the armature reaction, so that power factors are relatively irrespective of the load, the drop in an a. c. railway system isaccumulative up to and including generator and engine regula-t
. The Street railway journal . JOURNAL. 283 tion. The width of air-gap adopted is about twice that em-ployed with stationary induction motors of corresponding motors are wound for 200 volts, are permanently con-nected two in series, and are fed from the 400-volt secondaryof an 80-kw air-blast step-down transformer carried on the distributed character of the field winding fully compensatesfor the armature reaction, so that power factors are relatively irrespective of the load, the drop in an a. c. railway system isaccumulative up to and including generator and engine regula-tion. It is desirable, therefore, to maintain as good a powerfactor as is consistent with good motor design, in order to limitthe total drop of the system to a reasonable amount. A set of motor characteristics is shown in diagrams onpage 282 for both a. c. and d. c. running, respectively. It will Car lA/r/ng for rY-23 Cor?tro//&r~S vyt/7 roiyr &FA-6C4 Afe>£a/~^for A/ternotng ona>D/rect Current Operofon -WWWWVW 5. DIAGRAM OF CAR WIRING /Wru-Lru- rtrst<Ser/&s OC ^_n_n_n_nj uT-TLn n f Ln_n_n_n_/
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
