CN209298711U

CN209298711U - The transformer of container and the coupling structure of AC circuit breaker

Info

Publication number: CN209298711U
Application number: CN201822209979.XU
Authority: CN
Inventors: 王峰
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2018-12-26
Filing date: 2018-12-26
Publication date: 2019-08-23
Anticipated expiration: 2028-12-26

Abstract

The utility model provides a kind of transformer of container and the coupling structure of AC circuit breaker, is configured in the installation cavity of container comprising location and installation is installed on the side of transformer in transformer and AC circuit breaker in installation cavity, AC circuit breaker；It further include three groups of busbars with three-phase terminal of the low pressure winding side of transformer difference connection, one end relative to tietransformer, the other end of three groups of busbars extends to AC circuit breaker and distinguishes connection with three-phase terminal of the input terminal of AC circuit breaker, is equipped with clearance for insulation between two groups of busbars of arbitrary neighborhood；In the fixed several insulating supports of the inner wall of the cabinet of container, three groups of busbars are fixedly installed in installation cavity.It is more can to solve existing container low pressure winding side electric wire for the transformer of container described in the utility model and the coupling structure of AC circuit breaker, it is difficult to which construction connection is routed complicated problem.

Description

The transformer of container and the coupling structure of AC circuit breaker

Technical field

The utility model relates to container technology field, in particular to the transformer of a kind of container and AC circuit breaker Coupling structure.

Background technique

In recent years, reply the emergency events such as grid disruption or large-area power-cuts, improve wind-power electricity generation, solar power generation by Season, climatic effect are big, and the big equal factors of generated output randomness, energy-accumulating power station becomes preferable solution, at present Hot spot as international, domestic relevant industries research.

Energy-accumulating power station is made of modular battery container and the splicing of current transformer container.Energy-accumulating power station is usually height 10kV or 35kV access is pressed, needs that high voltage isolating transformer is installed in current transformer container, container is separated one individually Transformer room install transformer.

Existing energy-accumulating power station realizes that the blocking of energy-storage system designs using modular container.When each unit Capacity is larger, and to reduce cost using double transformer with split windings, since voltage is low, rated current is big for low pressure winding side, and every phase needs Multi-strand cable is wanted to connect, because of narrow space in case, cable is thicker, is not easy to routing traces in construction and case, influences connecing for system Line reliability.

Utility model content

In view of this, the utility model is directed to a kind of transformer of container and the coupling structure of AC circuit breaker, To solve the deficiency that existing container is difficult to be routed.

In order to achieve the above objectives, the technical solution of the utility model is achieved in that

A kind of transformer of container and the coupling structure of AC circuit breaker, are configured in the installation cavity of container, described The transformer of container and the coupling structure of AC circuit breaker include:

Transformer, location and installation is in the installation cavity；

AC circuit breaker, location and installation are located at the side of the transformer in the installation cavity；

Three groups of busbars distinguish connection with three-phase terminal of the low pressure winding side of the transformer, relative to connection The other end of one end of the transformer, three busbars extend to the AC circuit breaker and with the alternating current interruption Three-phase terminal of the input terminal of device distinguishes connection, is equipped with clearance for insulation between busbar described in two groups of arbitrary neighborhood；

Several insulating supports are fixedly arranged on the inner wall of the cabinet of the container, and three busbars are fixedly mounted In in the installation cavity.

Further, three busbars include distinguishing with three-phase terminal of the low pressure winding side of the transformer Three branch conductions of the three main busbars and connection of connection between three main busbars and the AC circuit breaker Row, three main busbar parallel arrangements, and three branch busbar parallel arrangements.

Further, the main busbar is in Z-shaped.

Further, main busbar described in every group is connected to at least two branch busbars.

Further, the leading electric mining is made of copper material.

Further, the branch conduction is made of copper material.

Further, the transformer is transformer with split winding, and the transformer with split winding is including a high-voltage winding and at least Two low pressure windings, the quantity Matching of the AC circuit breaker in the quantity of the low pressure winding, the low pressure that matches around The busbar is connected respectively between group and AC circuit breaker three-phase terminal.

Further, busbar positioning is lifted on the top of the installation cavity by the insulating support.

Further, the insulating support includes mounting rack, and the insulation board being fixedly arranged on the mounting rack, described exhausted Edge bracket is fixedly arranged on the inner wall of the installation cavity by the connector of mounting rack described in drawing-in；It is configured on the insulation board The via hole passed through for each busbar.

Further, the insulating support is two, two insulating supports to the busbar close to itself two The position at end respectively constitutes support.

Compared with the existing technology, the utility model has the advantage that

(1) coupling structure of the transformer of container described in the utility model and AC circuit breaker, by being arranged three groups Busbar can be fixedly arranged in installation cavity by busbar and insulating support, and by the both ends of three groups of busbars respectively with transformation The sub- connection of three-phase terminal of three-phase terminal and AC circuit breaker input terminal of the low pressure winding side of device, can solve existing collection Low pressure winding side electric wire of casing is more, it is difficult to which construction connection is routed complicated problem.

(2) three main busbars and three branch busbars are set, wiring in container is conducive to.

(3) main busbar is in Z-shaped, is further conducive to wiring in container.

(4) the double transformer with split windings of Transformer Selection, can couple with multiple AC circuit breakers, be conducive to components in container Arrangement.

(5) busbar positioning is lifted on to the top of installation cavity, installation cavity headspace is made full use of, is conducive to container Interior components arrangement.

(6) insulating support includes mounting rack and insulation board two parts, is processed easy to use.

(7) insulating support supports the position by two close end of busbar, can be by busbar fixation.

Detailed description of the invention

The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.? In attached drawing:

Fig. 1 is the partial structural diagram of container described in the utility model embodiment；

Fig. 2 is the top view of Fig. 1；

Fig. 3 is the transformer of container and the coupling structure application shape of AC circuit breaker described in the utility model embodiment Structural schematic diagram under state；

Fig. 4 is the top view of Fig. 3；

Fig. 5 is the structural schematic diagram of insulating support and branch busbar assembled state described in the utility model embodiment；

Fig. 6 is the structural schematic diagram of insulating support described in the utility model embodiment；

Fig. 7 is the structural schematic diagram of main busbar described in the utility model embodiment；

Fig. 8 is the structural schematic diagram of branch busbar described in the utility model embodiment；

Description of symbols:

1- cabinet, 101- installation cavity, 2- appliance doors, 3- maintenance door, 4- transformer, the main busbar of 5-, the main connection of 501- Hole, 6- branch busbar, 601- branch connecting hole, 7- insulating support, 701- mounting rack, 702- insulation board, 703- via hole.

Specific embodiment

It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can To be combined with each other.

The utility model will be described in detail below with reference to the accompanying drawings and embodiments.

The present embodiment is related to a kind of transformer of container and the coupling structure of AC circuit breaker, for the ease of to this implementation Example is illustrated, and first combines Fig. 1 and Fig. 2 that the structure of container is specifically described below.

The cabinet 1 of container can be existing structure, have installation cavity 101 in 1 internal structure of cabinet of container, so as to In accommodating, integrate a variety of electric elements.For electric elements easy access, in being also configured with 2 He of appliance doors on the side wall of cabinet 1 Maintenance door 3, appliance doors 2 are primarily to the equipment easy access such as various electric elements, and maintenance door 3 is in order to easy to maintenance.

The transformer of the container of the present embodiment and the coupling structure of AC circuit breaker are configured in the installation cavity of container In 101, in conjunction with shown in Fig. 3 and Fig. 4, the present embodiment mainly includes transformer 4, AC circuit breaker, three conducting coppers and several Insulating support 7.Wherein, by location and installation in installation cavity 101, AC circuit breaker is installed in for transformer 4 and AC circuit breaker The side of installation cavity 101；Although Fig. 3 and Fig. 4 do not show that AC circuit breaker, in the present embodiment, AC circuit breaker is installed in The right side of transformer 4.In the structure, the structure and mounting means of transformer 4 and AC circuit breaker can refer to existing structure.

Specifically, the preferably double transformer with split windings of transformer 4 above-mentioned, double transformer with split windings are the one of transformer with split winding Kind, transformer with split winding includes a high-voltage winding and at least two low pressure windings, and there are two the transformer with split windings of low pressure winding for tool As double transformer with split windings.The quantity Matching of AC circuit breaker in the quantity of low pressure winding, the low pressure winding that matches with exchange Following busbars is connected respectively between breaker three-phase terminal.In the structure, transformer 4 is in addition to that can be that double divisions become Depressor can be also other transformer with split windings, or be the transformer 4 with a low pressure winding.

Referring now still to shown in Fig. 3 to Fig. 4, three-phase terminal of the low pressure winding side of three groups of busbars and transformer 4 is distinguished Connection, relative to one end of tietransformer 4, the other end of three groups of busbars extends to AC circuit breaker and and alternating current interruption Three-phase terminal of the input terminal of device distinguishes connection, is equipped with clearance for insulation between two groups of busbars of arbitrary neighborhood.

In conjunction with Fig. 5 to shown in Fig. 8, in order to easy to process, three groups of busbars include the low pressure winding side with transformer 4 Three-phase terminal difference connection three main busbars 5 and connection between three main busbars 5 and AC circuit breaker Three branch busbars 6, three main busbars 5 are arranged in parallel, and three branch busbars 6 are arranged in parallel.

In the present embodiment, the structure of main busbar 5 can be so convenient with other yuan as shown in fig. 7, its entirety is in Z-shaped Part connection, offers main connecting hole 501, main busbar 5 and branch busbar 6 or low pressure winding in the both ends of main busbar 5 respectively The connecting terminal of side is such as bolted by wearing the connector of main connecting hole 501.The structure of branch busbar 6 can as shown in figure 8, Its entirety is in the lamellar of strip, is configured with branch connecting hole 601 in the both ends of branch busbar 6, also for wearing connector, To facilitate the connecting terminal of the input terminal with main busbar 5 and AC circuit breaker to connect, details are not described herein.In the present embodiment, Every group of main busbar 5 is connected to two branch busbars 6, and in addition to this, main busbar 5 can also be propped up with one, three or four etc. Busbar 6 is connected to.

In order to arrange conveniently, in the present embodiment, the width direction size along cabinet 1 of three main busbars 5 is different, by scheming 4, which can be seen that size from left to right, is gradually reduced, and can so facilitate connection and save material, also help branch busbar 6 parallel arrangements.

In order to reduce resistance, in the present embodiment, main busbar 5 is made of copper material, and branch busbar 6 also uses copper Material is made, and in addition to this, main busbar 5 and branch busbar 6 also can be used other existing electric conductivity excellent materials and be made.

The present embodiment further includes several insulating supports 7 for being fixedly arranged on the inner wall of cabinet 1, and three groups of busbars are fixedly mounted In in installation cavity 101.In order to which integral arrangement is convenient, in the present embodiment, busbar positioning is lifted on installation cavity by insulating support 7 101 top it can be seen that busbar is installed on the top of installation cavity 101 in Fig. 3, and combines Fig. 3 and Fig. 4, due to this implementation The transformer 4 of example is double transformer with split windings, therefore is mounted on busbar in the two opposite sides at the top of installation cavity 101, favorably In integral arrangement.

Specifically, the structure of insulating support 7 can refer to shown in Fig. 5 and Fig. 6 comprising mounting rack 701, and be fixedly arranged on Insulation board 702 on mounting rack 701, insulating support 7 are fixedly arranged on the interior of installation cavity 101 by the connector of drawing-in mounting rack 701 On wall.In the structure, mounting rack 701 can be made by existing plate, fashioned iron etc., and installation is provided on mounting rack 701 Hole, mounting rack 701 can be installed on the inner wall of installation cavity 101 via the bolt being arranged in mounting hole.

In being installed with two pieces of insulation boards 702 on mounting rack 701, passed through in being configured on insulation board 702 for each group busbar Via hole 703, in the present embodiment, due to 6 longer dimension of branch busbar, so insulation board 702 is mainly used for positioning branch busbar 6, it can also fix main busbar 5 according to the actual situation certainly.In the structure, insulation board 702 can pass through gluing, clamping or screw It being fixedly arranged on insulation board 702 Deng fixed mode, in addition to may be configured as two pieces, can also be set as other quantity, such as one piece, three Block, four pieces etc..

It should be noted that, the insulating support 7 in the present embodiment is two, and two insulating supports 7 are to busbar herein Position close to itself both ends respectively constitutes support, certainly, according to the actual size of busbar, insulate when busbar size is big 7 quantity of bracket can increase, and can reduce in 7 quantity of busbar size hour insulating support.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims

1. a kind of transformer of container and the coupling structure of AC circuit breaker are configured in the installation cavity (101) of container, It is characterized in that, the transformer of the container and the coupling structure of AC circuit breaker include:

Transformer (4), location and installation is in the installation cavity (101)；

AC circuit breaker, location and installation are located at the side of the transformer (4) in the installation cavity (101)；

Three groups of busbars distinguish connection with three-phase terminal of the low pressure winding side of the transformer (4), relative to connection institute State one end of transformer (4), the other end of three busbars extend to the AC circuit breaker and with the alternating current interruption Three-phase terminal of the input terminal of device distinguishes connection, is equipped with clearance for insulation between busbar described in two groups of arbitrary neighborhood；

Several insulating supports (7) are fixedly arranged on the inner wall of the cabinet (1) of the container, by the fixed peace of three busbars Loaded in the installation cavity (101).

2. the transformer of container according to claim 1 and the coupling structure of AC circuit breaker, it is characterised in that: three The busbar includes three main busbars with three-phase terminal of the low pressure winding side of the transformer (4) difference connection (5) and three branch busbars (6) of the connection between three main busbars (5) and the AC circuit breaker, three masters Busbar (5) parallel arrangement, and three branch busbar (6) parallel arrangements.

3. the transformer of container according to claim 2 and the coupling structure of AC circuit breaker, it is characterised in that: described Main busbar (5) is in Z-shaped.

4. the transformer of container according to claim 2 and the coupling structure of AC circuit breaker, it is characterised in that: every group The main busbar (5) is connected to at least two branch busbars (6).

5. the transformer of container according to claim 2 and the coupling structure of AC circuit breaker, it is characterised in that: described Main busbar (5) is made of copper material.

6. the transformer of container according to claim 2 and the coupling structure of AC circuit breaker, it is characterised in that: described Branch conduction is made of copper material.

7. the transformer of container according to claim 1 and the coupling structure of AC circuit breaker, it is characterised in that: described Transformer (4) is transformer with split winding, and the transformer with split winding includes a high-voltage winding and at least two low pressure windings, the friendship The quantity Matching of stream breaker is in the quantity of the low pressure winding, the low pressure winding and the AC circuit breaker three that match The busbar is connected respectively between the line terminals that connect.

8. the transformer of container according to claim 1 and the coupling structure of AC circuit breaker, it is characterised in that: described Busbar positioning is lifted on the top of the installation cavity (101) by insulating support (7).

9. the transformer of container according to claim 8 and the coupling structure of AC circuit breaker, it is characterised in that: described Insulating support (7) includes mounting rack (701), and the insulation board (702) being fixedly arranged on the mounting rack (701), the insulation Bracket (7) is fixedly arranged on the inner wall of the installation cavity (101) by the connector of mounting rack described in drawing-in (701)；In described exhausted The via hole (703) passed through for each busbar is configured on listrium (702).

10. the transformer of container according to claim 9 and the coupling structure of AC circuit breaker, it is characterised in that: institute Stating insulating support (7) is two, and two insulating supports (7) distinguish structure to the position close to itself both ends of the busbar At support.