POWER SUPPLY BUS BAR AND POWER CONVERTER USING THE SAME

摘要

PROBLEM TO BE SOLVED: To equalize a current flowing into each DC terminal of power modules to be connected in parallel, in a power converter.SOLUTION: In a power supply bus bar 18 to be connected with the arm of a power converter, when the arm includes a plurality of power modules 10a, 10b to be connected electrically in parallel, the power supply bus bar 18 includes a P side bus bar 18P to be connected with a P side power supply, an N side bus bar 18N running parallel to the P side bus bar 18P and to be connected with an N side power supply, and an intermediate magnetic shield 18C provided between the P side bus bar 18P and N side bus bar 18N, while being insulated therefrom, and to be connected with a frame ground.