Bus Bar Structure and Power Converter Using Bus Bar Structure

摘要

Inductance is reduced while high insulation reliability between positive and negative electrodes of a DC bus bar is ensured. The DC bus bar 801a (801b) is held; the bus bar 801a (801b) is fixed by an insulating member 802a (802b) having an insulating property, with one surface 14 (15) of the bus bar 801a (801b) exposed; the bus bar 801a is arranged such that the surface 14 of the bus bar 801a faces the surface 15 of the second bus bar 801b; an insulating sheet 803 is held between the bus bar 801a and the bus bar 801b; the first insulating member 802a has a projecting part 804a projecting toward the second insulating member 802b; and the projecting part 804a has, at an end part thereof, an abutting surface 13 in contact with the second insulating member 802b.

主权项

1. A bus bar structure that supplies DC power from a DC power supply to a power semiconductor module, comprising:
the bus bar has a first bus bar and a second bus bar, the first bus bar is fixed by a first insulating member having an electrical insulating property, with one surface of the first bus bar exposed, the second bus bar is fixed by a second insulating member having an electrical insulating property, with one surface of the second bus bar exposed, the first bus bar is arranged such that the one surface of the first bus bar faces the one surface of the second bus bar, an insulating object that is different from the first and second insulating members is held between the first bus bar and the second bus bar, the first insulating member has a first projecting part projecting toward the second insulating member, and the first projecting part has, at an end part of the first projecting part, an abutting surface in contact with the second insulating member.