Partial-discharge-free self-boosting multi-transformation-ratio standard voltage transformer and test method

[0038] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, but not all of them. Based on the embodiments in the present application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present application.

[0039] see figure 1 , 2 , 3, a non-partial discharge self-boosting multi-ratio high-precision standard voltage transformer provided by the embodiment of the present invention specifically includes a booster wire package 1, a standard device wire package 2, a conductive rod 18, and an outer cylinder 19. Bracket 20, connecting flange 21, s