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From Self-sufficiency
- ...nators in [[power station]]s driven by [[steam turbine]]s are called turbo-alternators. ...f>Thompson, Sylvanus P., ''Dynamo-Electric Machinery''. pp. 17</ref> Later alternators were designed for varying alternating-current frequencies between sixteen a17 KB (2,452 words) - 15:44, 15 September 2010