Power system

A power system includes a power module, a plurality of first electrical safety devices, and a plurality of second electrical safety devices. The first electrical appliance safety devices and the second electrical appliance safety devices are arranged along a first direction of the power system. The first electrical safety devices, the second electrical safety devices and the power module are stacked along a second direction of the power system, wherein the first direction is perpendicular to the second direction. 一种电力系统，包括电源模块、多个第一电器安全装置、多个第二电器安全装置。该些第一电器安全装置及该些第二电器安全装置沿电力系统的第一方向排列。该些第一电器安全装置、该些第二电器安全装置及该电源模块沿电力系统的第二方向堆叠，其中第一方向与第二方向垂直。