| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hermetic electric compressor that improves the efficiency of both ranges of low speed rotation and high speed rotation, without making a power supply large capacity or high voltage. <P>SOLUTION: In response to an applied voltage to a first winding 140 connected with a power supply side, a switching part 143 switches between a serial connection with the first winding 140, a second winding 141 and a third winding 142 and a parallel connection with the second winding 141 and the third winding 142 to the first winding 140. <P>COPYRIGHT: (C)2013,JPO&INPIT |
