Thompson's multi-phase ring transformer (Rankin Kennedy, Electrical Installations, Vol II, 1909).jpg
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Thompson's multi phase ring transformer (Rankin Kennedy, Electrical Installations, Vol II, 1909), Historic transformers, Scans from 'Rankin Kennedy, Electrical Installations, Vol II', 1909, Scans from 'Rankin Kennedy, Electrical Installations, Vol II', 1903/undescribed
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トンプソンのマルチフェーズリングトランスフォーマー
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rankin step-down transformer primary coil step-up transformer secondary coil electrical converter converter transformer electrical work electrical