. Electric railway journal . rating from thetrolley. Passenger Locomotives Have Guiding TruckAT Each End The passenger locomotives are similar in design tothe freight units except that a two-axle guiding truckis provided at each end to comply with the railway com-panys specifications for high-speed service. The motorsused are identical with those on the freight locomotiveexcept for the change in gear ratio to provide for maxi-mum speeds of from 56 to 62 The running gearconsists of two two-axle driving trucks, the inner ends ofwhich are connected by an articulated joint. The outerends ar
. Electric railway journal . rating from thetrolley. Passenger Locomotives Have Guiding TruckAT Each End The passenger locomotives are similar in design tothe freight units except that a two-axle guiding truckis provided at each end to comply with the railway com-panys specifications for high-speed service. The motorsused are identical with those on the freight locomotiveexcept for the change in gear ratio to provide for maxi-mum speeds of from 56 to 62 The running gearconsists of two two-axle driving trucks, the inner ends ofwhich are connected by an articulated joint. The outerends are extended and supported on the guiding trucksby roller centering devices over the front axle and anarticulated joint over the rear axle which also connectsthe guiding and motor trucks. The general arrange-ment of motors and control is the same as that on thefreight locomotives, and a similar system of regener- 2^00-V. A C. wx///ary bos,^ ^„„,,Disconnecting-^ transformers ,Csubstation bus Disconnecting switches. 5witch\ Station /yftgji/}] K other feeders Oil / circuit breaker = > setPower transformer From powerstation Generators Motor To othersubstations □ 1 T Instrument aDist V? Metering transformers ^switches\ f^^^lpo^^r Futurelightningarrester SIMPLIFIED wiring DIAGRAM, LOUVEIRA SUBSTATION ative braking is also provided. This locomotive is de-signed for hauling a train of 440 tons trailing up a1 per cent grade at a speed of The gearratio on the passenger locomotive is 70:30 or For speeds above the full series and full parallel con-nections a shunted field connection is provided by meansof which the field current is reduced for maximum speedrunning. Regenerative braking is accomplished by connectingone motor in such a way that it excites the field of threeother motors and also its own field. This scheme is ingeneral similar to that used on the Chicago, Milwaukee& St. Paul gearless passenger locomotives; it eliminatesthe
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