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Reply to "Why is AC Voltage applied to the 3 Rail Track while the Locomotive motors are DC Voltage Motors ?"

Another history lesson: selenium rectifiers (needed to change AC to DC) were not perfected or in general commercial use until the 1930's. Lionel trains predate that era by 30 years. AC series-wound motors don't need track polarity switching or other fancy electronics; they just use the E unit to reverse the AC polarity inside the motor and Voila!

And -- AC is easily transformed (voltage raised or lowered) with simple transformers.

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