US Patent 7509596 Power distribution network simulation method using variable reduction method

A power distribution network simulation method capable of speedily and accurately analyzing a large power distribution network. In the power distribution network simulation method, the large original circuit is reduced to a suitable size by using a variable reduction method, a solution of an equation of the reduced circuit is obtained, and a solution of an equation of the original circuit is restored based on the solution of the equation of the reduced circuit by using the variable reduction method. According to the power distribution network simulation method using the variable reduction method, it is possible to speedily and accurately analyze the large power distribution network.