Electrical system for mobile power generation device and mobile power generation device

An electrical system for a mobile power generation device, wherein the mobile power generation device comprises a transport vehicle and a generator, and the electrical system comprises:

• an electrical cabin arranged on the transport vehicle;
• and
• a generator switch cabinet located inside the electrical cabin and comprising a generator switch device, the generator switch device being configured to connect the generator of the mobile power generation device with an external load or disconnect the generator of the mobile power generation device from the external load,
• wherein the generator switch cabinet further comprises a first output end configured to be electrically connected to the external load through a connection conductor, the first output end comprises a connection terminal or a connector, the electrical cabin comprises a first bottom plate, the generator switch cabinet is arranged on the first bottom plate, and the first bottom plate comprises a first hollow portion, and an orthographic projection of the generator switch cabinet on the first bottom plate is at least partially overlapped with the first hollow portion.