| 摘要 |
<p>PURPOSE:To set output voltage at a value extremely close to a desired value easily by fractionating and adjusting the number of magnetic flux interlinking with a secondary winding. CONSTITUTION:One or a plurality of U type cores 14 are further mounted to an E-I type core so that the end surfaces of the U type cores are brought into contact with the side surface of the E-I type core. The angles of the end surfaces of the U type cores 14 are brought to a right angle [shown by a symbol (a)] to the E=I type core, or brought to arbitrary angles [shown by symbols (b), (c)] such as 45 deg. and 60 deg., thus giving the number of mounting and the directions of mounting of the U type cores 14 the large degree of freedom. The U type cores 14 may be fitted to the E-I type core through bonding. The number of side magnetic paths is augmented with the increase of the number of mounting of the U type cores, thus bringing an output voltage value close to a desired value by selecting the positions of leading-out of secondary winding terminals.</p> |
