Power Transformer
How does a step down transformer alter the amount of voltage from a power line to a building?
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Answers
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一月 27, 2026 9:44 上午 by Robert Thomas
A step-down transformer reduces medium-voltage feeder levels (e.g. 10-35 kV) to low voltage (e.g. 400/230 V) using electromagnetic induction. Lower voltage increases current for the same power and enables safe utilization by residential and commercial loads