| http://www.w3.org/ns/prov#value | - In the figure, 2 is a transformer which has primary windings 3a, 3b in which two windings are connected in series with respect to one phase and which are star connected, a secondary winding 4a which is star connected respectively with respect to one of the windings of each phase of the primary winding 3a, a secondary winding 4b which is delta connected with respect to the other winding of each pha
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