| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a converter which has rating of electric power equivalent to the electric power normally required, and control the electric power that substantially exceeds the normal electric power, at instantaneous low power, or at momentary power failure, etc. <P>SOLUTION: The converter is provided with a wide-gap bipolar semiconductor element as a switching element further, to control electric power 3 to 30 times of the rated electric power of the converter itself for several seconds. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
