| 摘要 |
The transformer according to the invention comprises at least one group of three annular sub-assemblies 2, 3, 4 each formed of an annular magnetic core on which are coiled at least one primary electrical winding and one secondary electrical winding. The three sub-assemblies are arranged coaxially following one another to form a tubular structure with horizontal or vertical longitudinal axis I-I. The sub-assemblies are held by appropriate support means and can bathe either in air or in oil in a transformer vessel. <IMAGE>
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