Inverter apparatus used in motor controller, motor controller, and vehicle

A motor controller comprising:

• a motor controller housing;
• an inverter apparatus;
• and
• a three-phase copper bar assembly, wherein the motor controller housing is configured to accommodate the inverter apparatus and the three-phase copper bar assembly, and wherein
• the inverter apparatus comprises:
• a capacitor module,
• a power module, and
• a first heat sink, wherein the power module and the first heat sink are disposed in a stacked manner on the capacitor module, and wherein:
• the power module comprises a plurality of power transistors, and the plurality of power transistors are arranged in a flat manner in a direction perpendicular to a direction in which the power module and the first heat sink are stacked;
• the motor controller housing comprises a bottom housing and a cover plate, the inverter apparatus is disposed between the bottom housing and the cover plate, and the capacitor module is fastened to the bottom housing;
• and
• the inverter apparatus and the three-phase copper bar assembly are arranged in parallel in the motor controller housing in a direction perpendicular to a direction in which the power module and the first heat sink are stacked.

A vehicle comprising:

• a motor;
• and
• a motor controller comprising:
• a motor controller housing;
• an inverter apparatus;
• and
• a three-phase copper bar assembly, wherein the motor controller housing is configured to accommodate the inverter apparatus and the three-phase copper bar assembly, and wherein the inverter apparatus comprises:
• a capacitor module,
• a power module, and
• a first heat sink, wherein the power module and the first heat sink are disposed in a stacked manner on the capacitor module, and wherein:
• the power module comprises a plurality of power transistors, and the plurality of power transistors are arranged in a flat manner in a direction perpendicular to a direction in which the power module and the first heat sink are stacked;
• the motor controller housing comprises a bottom housing and a cover plate, the inverter apparatus is disposed between the bottom housing and the cover plate, and the capacitor module is fastened to the bottom housing;
• and
• the inverter apparatus and the three-phase copper bar assembly are arranged in parallel in the motor controller housing in a direction perpendicular to a direction in which the power module and the first heat sink are stacked;
• wherein the three-phase copper bar assembly is electrically connected to the motor.