Assembly consisting of a transformer tank and a nacelle of a wind turbine

Abstract

An assembly includes a transformer tank that is arranged in a nacelle of a wind turbine, wherein the transformer tank is configured to be filled with a gas or a liquid to cool the active part of the transformer and the active part is enclosed by the transformer tank in a liquid-tight or gas-tight manner, such that use of the transformer tank as a reinforcement or a bracing of the steel construction of the nacelle with as little additional material expenditure as possible for the transformer is facilitated by integrating the transformer tank into the mechanical support structure of the nacelle such that the transformer tank forms a part of the mechanical support structure of the nacelle and by providing at least one bracing in the interior of the transformer tank, where bracing connects mutually opposing wall regions of the transformer tank.

Claims

1. An arrangement comprising: a transformer tank, which is arranged in a nacelle of a wind turbine, the transformer tank being configured to be filled with one of (i) a gas and (ii) a liquid to cool an active part of the transformer; and a plurality of braces within an interior of the transformer tank, which extend across an entirety of the interior of the transformer tank and which connect mutually opposing external wall regions of the transformer tank; and a respective connecting element located at each respective end of an upper brace of the plurality of braces at an outer side of the mutually opposing external wall regions of the transformer tank; wherein the active part of the transformer is enclosed by the transformer tank in one of (i) a liquid-tight and (ii) gas-tight manner; and wherein the transformer tank is inserted into a mechanical supporting structure of the nacelle such that the transformer tank forms part of the mechanical supporting structure of the nacelle.

2. The arrangement as claimed in claim 1, wherein the mutually opposing external wall regions are mutually opposing side walls or mutually opposing external wall regions of a surrounding side wall.

3. The arrangement as claimed in claim 1, wherein each brace of the plurality of braces is at least partially formed as a straight beam.

4. The arrangement as claimed in claim 2, wherein each brace of the plurality of braces is at least partially formed as a straight beam.

5. The arrangement as claimed in claim 1, wherein at least two opposing wall regions of the mutually opposing external wall regions of the transformer tank are connected to the mechanical supporting structure of the nacelle in a fixed manner.

6. The arrangement as claimed in claim 1, wherein each brace of the plurality of braces is connected to a wall of the transformer tank at a point at which the wall of the transformer tank is connected to the mechanical supporting structure of the nacelle.

7. The arrangement as claimed in claim 1, wherein part of each brace of the plurality of braces is formed by a component of a pressing structure of the transformer core.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) To further explain the invention, reference is made in the following part of the description to the schematic FIGURE, from which further advantageous details and possible areas of application of the invention can be inferred. The FIGURE is to be regarded as exemplary and is intended to illustrate the character of the invention, but does not in any way restrict it or represent it conclusively, in which:

(2) The FIGURE shows a longitudinal section through an arrangement in accordance with the invention.

DETAILED DESCRIPTION OF THE EXEMPLARY EMBODIMENTS

(3) The FIGURE shows a longitudinal section through a cuboid-shaped transformer tank 1. The active part of the transformer is not included. The two visible walls are mutually opposing side walls 2 of the transformer tank 1. Drawn between the side walls 2 are two straight braces 3, of which one is arranged closer to the lid 4 of the transformer tank 1 and one is arranged closer to the base 5 of the transformer tank 1. At the points where the upper brace 3 is connected to the side walls 2, a connecting element 6, such as a rail, which extends normal to the drawing plane is attached to the outer side of the side walls 2. This connecting element 6 serves to connect to the mechanical supporting structure 7 of the nacelle. The connecting element 6 is connected to the side wall 2 at the point at which the upper brace 3 is connected to the inner side of the side wall 2.

(4) It should be understood further braces 3 (in particular coinciding with the two braces 3 shown) can be arranged in front of and/or behind the sectional plane in the transformer tank 1.

(5) Thus, while there have been shown, described and pointed out fundamental novel features of the invention as applied to a preferred embodiment thereof, it will be understood that various omissions and substitutions and changes in the form and details of the devices illustrated, and in their operation, may be made by those skilled in the art without departing from the spirit of the invention. For example, it is expressly intended that all combinations of those elements which perform substantially the same function in substantially the same way to achieve the same results are within the scope of the invention. Moreover, it should be recognized that structures and/or elements shown and/or described in connection with any disclosed form or embodiment of the invention may be incorporated in any other disclosed or described or suggested form or embodiment as a general matter of design choice. It is the intention, therefore, to be limited only as indicated by the scope of the claims appended hereto.