| 摘要 |
A power inverter comprising a power module 300 for converting a direct current to an alternating current; a capacitor module 500; a rectangular chassis 12; and a coolant passage 19 being comprised in a cooling unit provided in the chassis 12, wherein the coolant passage 19 is formed between the power module 300 and the capacitor module 500, and a through-hole 406 is formed between a side of the coolant passage 19 and a long side of the rectangular chassis 12; wherein the capacitor module 500 comprises: a capacitor cell 514, a positive busbar 507 connecting to a first electrode 508 of the capacitor cell 514, a negative busbar 505 connecting to a second electrode of the capacitor cell 514, a capacitor positive terminal 506 connecting the positive busbar 507 to the power module (300) through the through-hole 406, a capacitor negative terminal 504 connecting the negative busbar 505 to the power module 300 through the through-hole 406, and a terminal cover 520 for protecting the capacitor positive terminal 506 and the capacitor negative terminal 504, wherein the terminal cover 520 extends to the through-hole 406. |
