CN215185450U - Energy storage container - Google Patents
Energy storage container Download PDFInfo
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- CN215185450U CN215185450U CN202121221298.0U CN202121221298U CN215185450U CN 215185450 U CN215185450 U CN 215185450U CN 202121221298 U CN202121221298 U CN 202121221298U CN 215185450 U CN215185450 U CN 215185450U
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- energy storage
- storage converter
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- load switch
- cabin
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- 238000004146 energy storage Methods 0.000 title claims abstract description 117
- 238000004804 winding Methods 0.000 claims abstract description 24
- 238000005192 partition Methods 0.000 claims abstract description 4
- 238000012423 maintenance Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an energy storage container, which comprises a box body, a variable flow boosting device, a control cabinet, a low-voltage distribution box and a manhole, wherein the variable flow boosting device, the control cabinet, the low-voltage distribution box and the manhole are integrated in the box body; the converter-booster device comprises a first energy storage converter, a second energy storage converter, a third energy storage converter, a fourth energy storage converter, a double-winding transformer and a load switch combined electrical appliance; the box body is divided into a first cabin and a second cabin which are parallel left and right by a partition wall body; the control cabinet, the first energy storage converter and the second energy storage converter are sequentially arranged on the rear side of one cabin from left to right; the low-voltage distribution box, the third energy storage converter and the fourth energy storage converter are sequentially arranged on the front side of a cabin from left to right; the manhole is positioned in a middle passage of a cabin, which extends in the left-right direction; the double-winding transformer and the load switch combined electrical apparatus are sequentially arranged in the two cabins from left to right. The utility model discloses each device in the box is arranged compactly rationally, shortens container box size and area effectively, and is with low costs.
Description
Technical Field
The utility model relates to an energy storage container.
Background
The existing converter-booster container comprises a plurality of energy storage converters, double-split or multi-split transformers, a low-voltage switch cabinet, a high-voltage middle-placed cabinet, an outgoing line cabinet and other various devices, the converter-booster container is usually divided into 3 cabins which are respectively a PCS (personal communications system) cabin, a transformer cabin and a switch cabinet cabin, the whole size of the container is large, and a main loop adopts a scheme of the double-split or multi-split transformer and the switch cabinet, so that the cost is high.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide an energy storage container, each device in the box is arranged compactly rationally, shortens container box size and area effectively, and is with low costs.
In order to solve the technical problem, the technical scheme of the utility model is that: an energy storage container comprises a box body, a variable-current boosting device, a control cabinet, a low-voltage distribution box and a manhole, wherein the variable-current boosting device, the control cabinet, the low-voltage distribution box and the manhole are integrated in the box body; wherein,
the converter-booster device is provided with a first energy storage converter, a second energy storage converter, a third energy storage converter, a fourth energy storage converter, a double-winding transformer and a load switch combined electrical appliance;
the box body is divided into a first cabin and a second cabin which are parallel left and right by a partition wall body;
the control cabinet, the first energy storage converter and the second energy storage converter are sequentially arranged on the rear side of one cabin from left to right;
the low-voltage distribution box, the third energy storage converter and the fourth energy storage converter are sequentially arranged on the front side of a cabin from left to right;
the manhole is positioned in a middle passage of a cabin, which extends in the left-right direction;
the double-winding transformer and the load switch combined electrical apparatus are sequentially arranged in the two cabins from left to right.
In order to further shorten the distance from the alternating current side cable port to the low-voltage side of the double-winding transformer so as to reduce the cost of a power cable or a copper bus, the alternating current side cable port of the first energy storage converter and the alternating current side cable port of the third energy storage converter are oppositely arranged; and an alternating current side cable port of the second energy storage converter and an alternating current side cable port of the fourth energy storage converter are arranged oppositely.
Further in order to conveniently install and overhaul each device, the front side and the rear side of the first cabin are respectively provided with two installation and maintenance doors, the left side of the first cabin is provided with an escape door, the positions of the second cabin, which are just opposite to the double-winding transformer and the load switch combined electrical appliance, are respectively provided with one installation and maintenance door, and the manhole is close to the escape door.
Further, the output ends of the first energy storage converter, the second energy storage converter, the third energy storage converter and the fourth energy storage converter are connected in parallel to the low-voltage side of the double-winding transformer, and the high-voltage side of the double-winding transformer is connected with the bus side of the booster station through the load switch combined electrical apparatus.
Further provides a concrete structure of the load switch combined electrical appliance, the load switch combined electrical appliance comprises a load switch and a fuse; wherein,
the load switch comprises an input end, a vacuum arc-extinguishing device, an isolation switch, an output end and a grounding switch;
one end of the fuse is electrically connected with the input end of the load switch, and the other end of the fuse is electrically connected with the vacuum arc-extinguishing device.
Further, in order to prevent the whole circuit from lightning and clearly know whether the whole circuit is in live operation, the load switch combined electrical appliance also comprises a lightning arrester and a live display; wherein,
one end of the lightning arrester is electrically connected with the output end of the load switch, and the other end of the lightning arrester is grounded;
one end of the electrified display is connected with the output end of the load switch through a capacitor, and the other end of the electrified display is grounded.
Further, the capacities of the first energy storage converter, the second energy storage converter, the third energy storage converter and the fourth energy storage converter are equal.
Further, a direct current input end of the first energy storage converter is used for being electrically connected with an output end of the first battery stack;
the direct current input end of the second energy storage converter is used for being electrically connected with the output end of the second cell stack;
the direct current input end of the third energy storage converter is electrically connected with the output end of the third cell stack;
the direct current input end of the fourth energy storage converter is used for being electrically connected with the output end of the fourth cell stack;
the voltages of the first cell stack, the second cell stack, the third cell stack and the fourth cell stack are equal.
After the technical scheme is adopted, the utility model discloses following beneficial effect has:
1. the arrangement of each device in the box body is compact and reasonable, the box body size and the occupied area of the container are effectively shortened, a double-winding transformer is adopted to replace a double-split or multi-split transformer, and a load switch combined electrical appliance is adopted to replace a high-voltage middle-placed cabinet and a wire outlet cabinet, so that the equipment cost is greatly reduced;
2. the utility model provides a first energy storage converter and third energy storage converter's interchange side cable mouth sets up relatively, and second energy storage converter and fourth energy storage converter's interchange side cable mouth sets up relatively, and the distance of interchange side cable mouth to the low pressure side of duplex winding transformer shortens, has reduced power cable or copper bus's cost.
Drawings
Fig. 1 is a schematic structural view of an energy storage container of the present invention;
fig. 2 is a schematic block diagram of the variable-current boosting device of the present invention;
fig. 3 is a schematic circuit diagram of the variable-current boosting device of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1, 2 and 3, an energy storage container comprises a container body 1, and a variable-current boosting device, a control cabinet 2, a low-voltage distribution box 3 and a manhole 4 which are integrated in the container body 1; wherein,
the converter-booster device is provided with a first energy storage converter 51, a second energy storage converter 52, a third energy storage converter 53, a fourth energy storage converter 54, a double-winding transformer 6 and a load switch combined electrical apparatus 7;
the box body 1 is divided into a first cabin 11 and a second cabin 12 which are parallel left and right by a partition wall body 8;
the control cabinet 2, the first energy storage converter 51 and the second energy storage converter 52 are sequentially arranged on the rear side of the first cabin 11 from left to right;
the low-voltage distribution box 3, the third energy storage converter 53 and the fourth energy storage converter 54 are sequentially arranged on the front side of the first cabin 11 from left to right;
the manhole 4 is located in a middle passage of a cabin 11 extending in the left-right direction;
the double-winding transformer 6 and the load switch combined electrical apparatus 7 are sequentially arranged in the second cabin 12 from left to right.
In this embodiment, the low-voltage distribution box 3 is used for lighting, socket and heat dissipation power supply of the box body 1, and the manhole 4 is used for maintenance of the variable-current boosting device.
Specifically, the arrangement of each device in the box body 1 is compact and reasonable, the size and the occupied area of the box body 1 of the container are effectively shortened, a double-winding transformer 6 is adopted to replace a double-split or multi-split transformer, and a load switch combined electrical appliance 7 is adopted to replace a high-voltage middle-placed cabinet and a wire outlet cabinet, so that the equipment cost is greatly reduced.
As shown in fig. 1, in order to shorten the distance from the ac-side cable port to the low-voltage side 61 of the double-winding transformer 6 to reduce the cost of the power cable or the copper bus, the ac-side cable port of the first energy-storage converter 51 is arranged opposite to the ac-side cable port of the third energy-storage converter 53;
the ac-side cable port of the second energy storage converter 52 is arranged opposite to the ac-side cable port of the fourth energy storage converter 54.
As shown in fig. 1, in order to facilitate installation and maintenance of the devices, two installation and maintenance doors 13 are respectively arranged on the front side and the rear side of the first cabin 11, an escape door 14 is arranged on the left side of the first cabin 11, one installation and maintenance door 13 is respectively arranged at the position of the second cabin 12, which is over against the double-winding transformer 6 and the load switch combined electrical apparatus 7, and the manhole 4 is close to the escape door 14.
As shown in fig. 1, 2 and 3, the output ends of the first energy storage converter 51, the second energy storage converter 52, the third energy storage converter 53 and the fourth energy storage converter 54 are connected in parallel to the low voltage side 61 of the double-winding transformer 6, and the high voltage side 62 of the double-winding transformer 6 is connected to the booster station bus side through the load switch combiner 7.
As shown in fig. 2 and 3, the dc input terminal of the first energy-storing converter 51 is used for electrically connecting with the output terminal of the first cell stack 91;
the direct current input end of the second energy storage converter 52 is used for being electrically connected with the output end of the second battery stack 92;
the direct current input end of the third energy storage converter 53 is used for being electrically connected with the output end of the third cell stack 93;
the dc input of the fourth energy storage converter 54 is electrically connected to the output of the fourth cell stack 94;
the voltages of the first cell stack 91, the second cell stack 92, the third cell stack 93 and the fourth cell stack 94 are equal.
Specifically, the first battery stack 91 is electrically connected to the dc side of the first energy storage converter 51 for outputting a first dc voltage to the first energy storage converter 51, the second battery stack 92 is electrically connected to the dc side of the second energy storage converter 52 for outputting a second dc voltage to the second energy storage converter 52, the third battery stack 93 is electrically connected to the dc side of the third energy storage converter 53 for outputting a third dc voltage to the third energy storage converter 53, and the fourth battery stack 94 is electrically connected to the dc side of the fourth energy storage converter 54 for outputting a fourth dc voltage to the fourth energy storage converter 54, wherein the capacities of the first energy storage converter 51, the second energy storage converter 52, the third energy storage converter 53, and the fourth energy storage converter 54 are the same, and the voltages of the first dc voltage, the second dc voltage, the third dc voltage, and the fourth dc voltage are the same. The first energy storage converter 51 is used for converting the first direct current voltage into a first alternating current voltage, the second energy storage converter 52 is used for converting the second direct current voltage into a second alternating current voltage, the third energy storage converter 53 is used for converting the third direct current voltage into a third alternating current voltage, the fourth energy storage converter 54 is used for converting the fourth direct current voltage into a fourth alternating current voltage, the double-winding transformer 6 is used for boosting the first alternating current voltage, the second alternating current voltage, the third alternating current voltage and the fourth alternating current voltage into a fifth alternating current voltage, and the load switch combiner 7 is used for providing the fifth alternating current voltage to the bus side of the booster station.
In this embodiment, the first cell stack, the second cell stack, the third cell stack and the fourth cell stack are all 630kWh cell stacks, the first energy storage converter, the second energy storage converter, the third energy storage converter and the fourth energy storage converter are all 630kW energy storage converters, the first direct current voltage, the second direct current voltage, the third direct current voltage and the fourth direct current voltage are 691V, the first alternating current voltage, the second alternating current voltage, the third alternating current voltage and the fourth alternating current voltage are 380V, the fifth alternating current voltage is 35kV, and the bus side of the booster station is the bus side of the booster station of 35 kV.
As shown in fig. 3, the load switch combiner 7 includes a load switch 71 and a fuse 72; wherein,
the load switch 71 comprises an input end, a vacuum arc-extinguishing device, an isolation switch, an output end and a grounding switch;
one end of the fuse 72 is electrically connected to the input end of the load switch 71, and the other end is electrically connected to the vacuum arc extinguishing device.
In the present embodiment, the fuse 72 and the load switch 71 function to protect the dual-winding transformer 6, when the current in the circuit is higher than the rated capacity of the dual-winding transformer 6 with a specified multiplying factor, the load switch 71 is opened, and the circuit is disconnected, and at this time, the fuse 72 is fused, and the circuit is disconnected, and at this time, the short-circuit protection is performed.
As shown in fig. 3, in order to prevent lightning of the whole circuit and to know clearly whether the whole circuit is provided with an operating voltage, the load switch combination 7 further comprises a lightning arrester 73 and a live display 74; wherein,
one end of the lightning arrester 73 is electrically connected with the output end of the load switch 71, and the other end is grounded;
one end of the live display 74 is connected to the output end of the load switch 71 through a capacitor, and the other end is grounded.
In this embodiment, the lightning arrester 73 is used for lightning protection of the whole circuit, the live display 74 is used for prompting whether the circuit has an operating voltage, when the circuit has the operating voltage, the live display 74 is bright, and when the circuit has no operating voltage, the live display 74 is not bright.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (8)
1. An energy storage container is characterized in that,
the device comprises a box body (1), and a variable-current boosting device, a control cabinet (2), a low-voltage distribution box (3) and a manhole (4) which are integrated in the box body (1); wherein,
the converter-booster device is provided with a first energy storage converter (51), a second energy storage converter (52), a third energy storage converter (53), a fourth energy storage converter (54), a double-winding transformer (6) and a load switch combined electrical appliance (7);
the box body (1) is internally divided into a first cabin (11) and a second cabin (12) which are parallel left and right by a partition wall body (8);
the control cabinet (2), the first energy storage converter (51) and the second energy storage converter (52) are sequentially arranged on the rear side of the cabin (11) from left to right;
the low-voltage distribution box (3), the third energy storage converter (53) and the fourth energy storage converter (54) are sequentially arranged on the front side of the first cabin (11) from left to right;
the manhole (4) is positioned in a middle passage of a cabin (11) extending in the left-right direction;
the double-winding transformer (6) and the load switch combined electrical appliance (7) are sequentially arranged in the two cabins (12) from left to right.
2. Energy storage container according to claim 1,
an alternating current side cable port of the first energy storage converter (51) is opposite to an alternating current side cable port of the third energy storage converter (53);
and an alternating current side cable port of the second energy storage converter (52) is opposite to an alternating current side cable port of the fourth energy storage converter (54).
3. Energy storage container according to claim 1,
the front side and the rear side of one cabin (11) respectively have two installation maintenance doors (13), the left side in one cabin (11) is equipped with one and flees door (14), just respectively be equipped with one installation maintenance door (13) to the position of bifilar transformer (6) and load switch combined electrical apparatus (7) in two cabins (12), manhole (4) are close to flee door (14).
4. Energy storage container according to claim 1,
the output ends of the first energy storage converter (51), the second energy storage converter (52), the third energy storage converter (53) and the fourth energy storage converter (54) are connected in parallel to the low-voltage side (61) of the double-winding transformer (6), and the high-voltage side (62) of the double-winding transformer (6) is connected with the bus side of the booster station through the load switch combined electrical apparatus (7).
5. Energy storage container according to claim 4,
the load switch combined electrical appliance (7) comprises a load switch (71) and a fuse (72); wherein,
the load switch (71) comprises an input end, a vacuum arc-extinguishing device, an isolation switch, an output end and a grounding switch;
one end of the fuse (72) is electrically connected with the input end of the load switch (71), and the other end of the fuse is electrically connected with the vacuum arc-extinguishing device.
6. Energy storage container according to claim 5,
the load switch combined electrical appliance (7) also comprises a lightning arrester (73) and a live display (74); wherein,
one end of the lightning arrester (73) is electrically connected with the output end of the load switch (71), and the other end of the lightning arrester is grounded;
one end of the charged display (74) is connected with the output end of the load switch (71) through a capacitor, and the other end of the charged display is grounded.
7. Energy storage container according to claim 4,
the first energy storage converter (51), the second energy storage converter (52), the third energy storage converter (53) and the fourth energy storage converter (54) are equal in capacity.
8. Energy storage container according to claim 4,
the direct current input end of the first energy storage converter (51) is used for being electrically connected with the output end of the first battery stack (91);
the direct current input end of the second energy storage converter (52) is used for being electrically connected with the output end of the second battery stack (92);
the direct current input end of the third energy storage converter (53) is used for being electrically connected with the output end of the third battery stack (93);
the direct current input end of the fourth energy storage converter (54) is used for being electrically connected with the output end of the fourth battery stack (94);
the voltages of the first cell stack (91), the second cell stack (92), the third cell stack (93) and the fourth cell stack (94) are equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121221298.0U CN215185450U (en) | 2021-06-02 | 2021-06-02 | Energy storage container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121221298.0U CN215185450U (en) | 2021-06-02 | 2021-06-02 | Energy storage container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215185450U true CN215185450U (en) | 2021-12-14 |
Family
ID=79377214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121221298.0U Active CN215185450U (en) | 2021-06-02 | 2021-06-02 | Energy storage container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215185450U (en) |
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2021
- 2021-06-02 CN CN202121221298.0U patent/CN215185450U/en active Active
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