| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a wound core for a transformer which can reduce excitation rush current while achieving miniaturization and lightweight. <P>SOLUTION: A blanking plate block 1 is constructed of electromagnetic steel belts obtained by cutting a slitted electromagnetic steel belt into a desire width, and cut surfaces 2 serving as a connection part are aligned and wrapped therearound. The connection part 2 is fixed to form an iron core block. Then, a blanking plate block 3 is constructed of electromagnetic steel belts obtained by cutting a slitted electromagnetic steel belt into a desire width, and cut surfaces 4 serving as a connection part are aligned and wrapped therearound. The connection part 4 is fixed to form an iron core block inside the foregoing iron core block. Thereafter, a blanking plate block 5 is constructed of electromagnetic steel belts obtained by cutting a slitted electromagnetic steel belt into a desire width, and cut surfaces 6 serving as a connection part are aligned and wrapped therearound. The connection part 6 is fixed to form an iron core block inside the foregoing iron core block. When forming these three iron core blocks, the positions of the connection parts of these three blanking plate blocks are shifted from one another. <P>COPYRIGHT: (C)2013,JPO&INPIT |
