Power module for invertor

PURPOSE: A power module of an inverter is provided to offer the improved yield of the power module to manufacturers by enabling workers to easily replace a damaged target block. CONSTITUTION: A power module of an inverter comprises the following: a base(10) including plural slots; building blocks inserted into the slots(30); a power cable(40) interconnecting the building blocks; combining holes formed on the building blocks with the base; and a cooling flow passage(12) installed in the base.