Power Transformer
Why does a power plant use a step up transformer?
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Answers
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一月 26, 2026 9:50 上午 by Sandra Green
Power plants generate electricity at relatively low voltages for generator efficiency. Step-up transformers raise voltage to HV/EHV levels (110-765 kV) for transmission. Higher voltage reduces line current and I²R losses over long distances, improving efficiency and lowering conductor costs.