MODULAR SYSTEM APPLIED TO TRANSFORMERS

Abstract

A modular system applied to transformers, particularly power transformers, which comprises a structure having modules coupled between each other by fixation means, in such a manner that, the set thus formed, is positioned in the perimeter of the tank of the transformer and to which it is possible to connect several equipment and components, so that the referred components and equipment are positioned in the interior of the tank of the transformer, thus permitting the access to the referred components and equipment, when carrying out maintenance, supervision or control work, as well as to permit the optimization in the manufacture thereof, assembly, transport and installation.

Claims

1. A modular system applied to transformers, comprising a structure of modules having different dimensions, placed in a perimeter of a transformer tank and coupled to the transformer tank by means of flanged connections, comprised by piping, wherein the piping of larger dimensioned modules and of smaller dimensioned modules are coupled between each other by means of flanged connections, wedge, blind flange and by fitting, and the piping of the larger dimensioned modules comprise in their interior outlines and channels and in their exterior rails and the larger dimensioned modules support ventilation and cooling systems in their horizontal piping and the smaller dimensioned modules, which are comprised of vertical piping and upper and lower horizontal piping, support auxiliary circuit boxes, monitoring systems and valve piping.

2. The modular system applied to transformers according to claim 1, wherein the piping of the larger dimensioned modules and of the smaller dimensioned modules are coupled between each other by flanged wedge connection through a machined blind flange, with a threaded screw and with resource to a washer and screw.

3. The modular system applied to transformers according to claim 1, wherein the piping of the larger dimensioned modules and of the smaller dimensioned modules are coupled between each other by a connection made through the fitting of a bent plate belonging to one of the piping where an upper and a lower bearings are used placed respectively in the lower and upper and outline of the piping, wherein the upper bearing is used as fitting and the lower bearing presents a threaded hole to guarantee a fixation through a screw and washer.

4. The modular system applied to transformers according to claim 1, wherein the piping of the larger dimensioned modules and of the smaller dimensioned modules are coupled between each other through a blind flange with a shape in the extremity so as to fit with the other piping to be connected, through a washer and a screw.

5. The modular system applied to transformers according to claim 1, wherein the piping of the larger dimensioned modules and of the smaller dimensioned modules are coupled between each other by means of two bearings, that function as fitting to a flange with freedom of movement and which is screwed by means of a screw and washer.

6. The modular system applied to transformers according to claim 1, wherein the cooling liquid circulates through horizontal pipings between the transformer tank and the radiators of a cooling system and through the horizontal pipings being connected to the transformer tank by means of a flanged connection, with piping and flange and with valve integration, where the referred flanged connection is guaranteed with the use of screws, nuts and washers.

7. The modular system applied to transformers according to claim 6, wherein the connection between the horizontal piping and transformer tank is made in each exit/entry of the cooling liquid of the transformer tank.

8. The modular system applied to transformers according to claim 1, wherein a ventilation system is surrounded by fairings, which may be individual or whole, covering all the modules or just each one of the modules of the ventilation system and wherein by the modules of the ventilation system are configurable.

9. The modular system applied to transformers according to claim 6, wherein a number of radiators of the cooling system is configurable.

10. The modular system applied to transformers according to claim 1, wherein the piping of the larger dimensioned modules and of the smaller dimensioned modules are circular, oval, rectangular, or other polygon with a variable number of sides.

11. The modular system applied to transformers according to claim 1, wherein electrification cables of components and exterior equipment are positioned in rails coupled to the piping of each module or in the interior of the piping themselves, the outline thereof being adapted for this purpose.

12. The modular system applied to transformers according to claim 1, wherein electric connections between modules are guaranteed by sealed plugs that connect one by one.

13. The modular system applied to transformers according to claim 1, wherein the monitoring systems are coupled to remote access modules.

Description

DESCRIPTION OF THE FIGURES

[0041] For an easier understanding of the present application the figures are attached which, represent embodiments that, however, do not intend to limit the technology disclosed herein.

[0042] FIG. 1: Schematic representation of the modular system applied to transformers, where the following numerical references represent: [0043] 1 and 2—larger dimensioned modules; [0044] 3 and 4—smaller dimensioned modules; [0045] 5—tank.

[0046] FIG. 2: Schematic representation of the connection between the larger dimensioned modules and those with smaller dimensions, where the following numerical references represent: [0047] 1—larger dimensioned modules; [0048] 6—washers; [0049] 7—screws.

[0050] FIG. 3: Schematic representation of the connection between the piping of the larger dimensioned modules the smaller dimensioned ones, where the following numerical references represent: [0051] 1—larger dimensioned modules; [0052] 3—smaller dimensioned modules.

[0053] FIG. 4: Schematic representation of the connection between the piping of the larger dimensioned modules and those with smaller dimensions, where the following numerical references represent: [0054] 8—machined blind flange; [0055] 9—washer; [0056] 10—screw.

[0057] FIG. 5: Schematic representation of the connection between the piping of the larger dimensioned modules and those with smaller dimensions, where the following numerical references represent: [0058] 11—lower bearing; [0059] 12—upper bearing; [0060] 13—screw; [0061] 14—washer.

[0062] FIG. 6: Schematic representation of the connection between the piping of the larger dimensioned modules and those with smaller dimensions, where the following numerical references represent: [0063] 15—blind flange; [0064] 16—washer; [0065] 17—screw.

[0066] FIG. 7: Schematic representation of the connection between the piping of the larger dimensioned modules and those with smaller dimensions, where the following numerical references represent: [0067] 18 and 19—bearings; [0068] 20—flange; [0069] 21—screw; [0070] 22—washer.

[0071] FIG. 8: Schematic representation of the cooling and ventilation systems positioned in the larger dimensioned module, where the following numerical references represent: [0072] 23—cooling systems; [0073] 24—horizontal piping; [0074] 25—vertical piping; [0075] 26—horizontal piping; [0076] 27—fairings; [0077] 28—piping.

[0078] FIG. 9: Schematic representation of the connection between the transformer tank and the radiators of the cooling system, where the following numerical references represent: [0079] 5—tank; [0080] 28—piping; [0081] 29—flange; [0082] 30—valve; [0083] 31—screws; [0084] 32—nuts; [0085] 33—washers.

[0086] FIG. 10: Schematic representation of the handling and transportation of the cooling systems, where the following numerical references represent: [0087] 1 and 2—larger dimensioned modules; [0088] 34—quick screwed connection.

[0089] FIG. 11: Schematic representation of the shape of the piping, where the following numerical references represent: [0090] 43—rails; [0091] 44 and 45—outlines of piping; [0092] 48—interior of outline; [0093] 49—channels.

[0094] FIG. 12: Schematic representation of the smaller dimensioned module with the conserver, where the following numerical references represent: [0095] 35—auxiliary circuit boxes; [0096] 36—monitoring systems; [0097] 37—valve piping; [0098] 38—vertical piping; [0099] 39—upper horizontal piping; [0100] 40—lower piping; [0101] 41—conserver; [0102] 42—vertical piping.

[0103] FIG. 13: Schematic representation of the handling and transportation of the smaller dimensioned modules.

[0104] FIG. 14: Schematic expanded representation of the modular system applied to transformers.

[0105] FIG. 15: Schematic representation of the radiators of the cooling system (23) to the transformer modules, through “camlock coupling” or “snap clamp”.

[0106] FIG. 16: Schematic representation of the intermediary piping to make the connection between the radiators of the cooling system and the main piping of the modules, where the following numerical references represent: [0107] 47—intermediary piping.

[0108] FIG. 17: Schematic representation of the shape of the module in case the radiators present a dimension equal to the distance between piping.

[0109] FIG. 18: Schematic representation of alternative points for connection of the radiators of the cooling system (23) to the transformer modules.

[0110] FIG. 19: Schematic representation of the fairings surrounding the ventilation system.

[0111] FIG. 20: Schematic representation of the distribution of cooling liquid.

[0112] FIG. 21: Schematic representation of the electric connections between modules, where the following numerical references represent: [0113] 43—rails; [0114] 46—plugs.

[0115] The present description is not, naturally, in any way restricted to the embodiments presented in this document and a person with average knowledge of the area may foresee many possibilities of modification of the same without departing from the general idea, such as defined in the claims. The preferred embodiments described above, may obviously be matched between themselves. The following claims additionally define preferred embodiments.