Excitation source planning method for electrical simulation and system thereof

An excitation source planning system for an electrical simulation, which is configured to plan an excitation source, the excitation source planning system for the electrical simulation comprising:

• a memory configured to access a printed circuit board (PCB) layout and an electromagnetic simulation software module, wherein the PCB layout comprises a signal layer and a main ground layer;
• and
• a processing unit electrically connected to the memory, wherein the processing unit is configured to implement an excitation source planning method for an electrical simulation comprising:
• performing a layout importing step to import the PCB layout stored in the memory to the electromagnetic simulation software module;
• performing a port establishing step to execute the electromagnetic simulation software module, so that the electromagnetic simulation software module sets the excitation source to be vertically disposed between the signal layer and the main ground layer;
• and
• performing a model generating step to execute the electromagnetic simulation software module, so that the electromagnetic simulation software module performs the electrical simulation according to the excitation source to generate a three-dimensional simulation model corresponding to the PCB layout;
• wherein in the port establishing step, in response to determining that the signal layer is not electrically connected to the main ground layer, the electromagnetic simulation software module executes an extending step, and the extending step is performed to provide a first metal unit to be connected to the signal layer and to reset the excitation source to be vertically disposed between the first metal unit and the main ground layer, so that the signal layer is electrically connected to the main ground layer.