Car equipped for making load tests on Diesel-electric locomotive traction motors used by Union Pacific Railroad; tests disclose faults not usually discovered until motor is loaded and hot; motors are run at full load for 4 hr at 45 mph after which speed is increased to 90 mph at which speed motor is run at light load for 1/2 hr; under load test, temperature of commutator is allowed to rise to 240 F, and exhaust air from fields to reach 180 to 190 F.
Load testing traction motors
Ry Mech Engr
Railway Mechanical Engineer ; 119 , n 11
1945
2 pages
Aufsatz (Zeitschrift)
Englisch
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