Cabin cover and wind turbine generator set

A wind turbine generator, comprising:

• a nacelle comprising a nacelle cover, wherein the nacelle cover comprises:
• a cover casing, comprising a set of first plates, a set of second plates, and at least one support beam, the set of first plates and the set of second plates being alternately arranged, a first plate from the set of first plates and a second plate from the set of second plates which are adjacent to each other being spaced apart from each other and holding a support beam from the at least one support beam between them, and the set of first plates, the set of second plates, and the at least one support beam being connected and jointly forming an accommodating chamber;
• two or more fasteners disposed in the accommodating chamber, and comprising at least one first fastener detachably connecting the first plate to the support beam and at least one second fastener detachably connecting the second plate to the support beam;
• and
• a support platform and a first adapter seat disposed in the accommodating chamber, wherein the first adapter seat comprises a first connecting portion and a second connecting portion which are arranged to intersect with each other, the first adapter seat is detachably connected to the first plate or the second plate through the first connecting portion, and the first adapter seat is detachably connected to the support platform through the second connecting portion;
• and
• a generator disposed at the nacelle.