Inductor type alternators are used with RRUs and ERRUs in Non AC Coaches for powering the appliances and Battery Charging. One number is used in one coach.
The alternators are built with Stator Stack of CRNGO low loss stampings and have stator winding wound in the Stator slots. The stator is wound with three phase winding in the slots punched for the stator winding. There are two slots provided for the field coil in the stator stack to house the field winding.
The rotor is assembled with CRNGO stamping punched with rotor slots and teeth to give the required number of poles as per the Stator winding. The rotor is only a cogged assembly and skewed to vary the permeance/reluctance in the air gap for the generation of voltages while running and there is no winding in the rotor.
CAPACITY – 4.5 kW
OUT PUT VOLTAGE – 130 V, DC
SPEED – 350 Cut in / 550 to 600 MFO / 2400 RPM Maximum
CURRENT – 38.5 Amps.(Continuous Duty)
MOUNTING – BOGIE, Transom
DRIVE – ‘V’ BELT C 122 – 4 numbers, One pulley ,
Single ended Drive