- 2 HEAVY-CURRENT TRANSFORMER HAVING A MULTI-POINT CONTACTING TRANSFORMER ELEMENT CONTACT PLATE AND SECONDARY WINDING AND METHOD FOR PRODUCING SUCH A HEAVY-CURRENT TRANSFORMER

摘要

the present invention is especially to provide at least one of the welding current in the resistance welding device (1) having a primary winding (13) and at least one secondary winding 14 having a center tap river current transformer 12 and current transformer element for such steel current transformer 12, the contact plate 29 and the secondary winding 14 of the power source 10 as well as relates to a method for manufacturing the same. For the improvement of the reduction and efficiency of the losses, at least four contacts (20, 21, 22, 23) is a multi-provided so as to form a point contact, said contact being formed by four contact surfaces (20, 21 , 22, 23) are arranged in at least one primary winding (13) and at least one secondary winding (14) is a serial / parallel connection. ;