CN214313789U - Upper-in and upper-out direct-current busbar leading scheme suitable for energy storage battery cabinet - Google Patents
Upper-in and upper-out direct-current busbar leading scheme suitable for energy storage battery cabinet Download PDFInfo
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- CN214313789U CN214313789U CN202120632232.4U CN202120632232U CN214313789U CN 214313789 U CN214313789 U CN 214313789U CN 202120632232 U CN202120632232 U CN 202120632232U CN 214313789 U CN214313789 U CN 214313789U
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Abstract
The utility model provides an upper-inlet upper-outlet direct-current busbar leading scheme suitable for an energy storage battery cabinet, which comprises an energy storage battery cabinet, a PCS cabinet, an energy storage battery cabinet screen eyebrow, a field-mounted busbar connecting hardware fitting and a copper busbar, wherein the copper busbar is arranged at the position of the energy storage battery cabinet screen eyebrow, a plurality of energy storage battery cabinets are arranged side by side, the energy storage battery cabinet screen eyebrow is arranged on the energy storage battery cabinet, every two copper busbars are connected through the field-mounted busbar connecting hardware fitting, and the copper busbar at the rightmost end is connected with the PCS cabinet through a wire; the utility model discloses simple structure, the simple operation, the input in the aspect of can greatly reduced cost to reduce area, improve reliability, equipment integration degree simultaneously.
Description
Technical Field
The utility model relates to an energy storage power station equipment technical field, especially an enterprising female row of going out direct current that is applicable to energy storage battery cabinet draws and connects scheme.
Background
The topological form of the high-capacity energy storage power station can be divided into a low-voltage parallel collection boosting energy storage system and a medium-high voltage direct-hanging energy storage system, the most widely applied and technically mature low-voltage parallel collection boosting energy storage system is the energy storage system in which a single energy storage battery cabinet is connected to a direct current convergence cabinet through a cable, and the cable is led out to a PCS cabinet after the single energy storage battery cabinet is converged in the direct current convergence cabinet.
The wiring diagram of the prior art is shown in fig. 1, in which: the energy storage battery cabinet comprises an energy storage battery cabinet, a direct current convergence cabinet and a PCS cabinet, wherein the air cooling and liquid cooling schemes can be adopted. L1 shows that the + outlet and the-outlet of the energy storage battery cabinet lead to the connection of the direct current collecting cabinet and adopt a cable mode; l2 shows connection between DC collecting cabinet and PCS cabinet, and adopts cable mode.
Taking a 2-face energy storage battery cabinet as an example, the front arrangement and plan view are schematically shown in fig. 2 and fig. 3:
in the figure: the air-cooled energy storage battery cabinet comprises modules, a main control box, screen headers (the height is 60 mm), connecting conductors between the modules/between the modules and the main control box, liquid cooling units ⑬, and an L1, wherein the connecting conductors are used for connecting the modules/between the modules and the main control box, and the liquid cooling units ⑬ and the L1 indicate that the modules + go out and the modules-go out to a direct-current collecting cabinet. The energy storage battery wind-cooling cabinet is a main control box arranged on the lower left side and is suitable for a scheme of cable feeding and discharging.
The existing scheme can be improved:
the energy storage battery cabinet firstly leads out direct current to the direct current collecting cabinet secondly, and the direct current collecting cabinet secondly leads out direct current to the PCS cabinet thirdly, and all adopt a cable mode. The energy storage battery cabinet, the direct current convergence cabinet and the PCS cabinet adopt a scheme that a direct current cable enters and exits from the lower part, and the leading position is lower than the ground, so that the section of the leading cable is larger, and the site is inconvenient.
The energy storage battery cabinet (I) and the direct current collecting cabinet (II) are connected with more cables, the cross section is larger, for example, 1500kWPCS is matched with 0.5C/0.5C energy storage batteries, the energy storage battery cabinet matched with the 1-surface PCS cabinet is 9 surfaces, 2 direct current cables are led out from each energy storage battery cabinet, the cross section is 1 x 95mm2, 5 direct current collecting cabinet leading-out cables (the cross section is 1 x 185mm 2) are led out from each phase, and the investment of the cable part and the investment of the direct current collecting cabinet are both higher except that a special cable trench is arranged for routing the part of cables.
The direct current collecting cabinet is arranged on one side of the energy storage battery cabinet, the lengths of cables led out of the direct current collecting cabinet from each energy storage battery cabinet are different, and slight differences exist in the consistency of the internal resistance of the energy storage battery cabinet.
Disclosure of Invention
In view of this, the present invention provides a top-in and top-out dc bus bar leading scheme applicable to an energy storage battery cabinet, which can solve the above-mentioned background art.
The utility model discloses a following method realizes: the utility model provides an upper feeding goes out female scheme that draws of direct current suitable for energy storage battery cabinet, its characterized in that: including energy storage battery cabinet, PCS cabinet, energy storage battery cabinet screen eyebrow, the female link fitting of arranging of field installation and copper mother row, the copper mother arrange set up in energy storage battery cabinet screen eyebrow department, a plurality of energy storage battery cabinets set up side by side, energy storage battery is provided with on the counter energy storage battery cabinet screen eyebrow, two liang copper mother arranges the warp the female link fitting of field installation is connected, the female row of copper of right-hand member with the PCS cabinet sets up through the wire connection.
Furthermore, one side of the on-site installation busbar link fitting is connected with an insulating support piece, and the other side of the on-site installation busbar link fitting is connected with the prefabricated connecting terminal of the copper busbar.
Furthermore, the prefabricated connecting terminal of the copper busbar is connected with the main control box of the energy storage battery cabinet through a lead.
The beneficial effects of the utility model reside in that: the utility model discloses finely adjust energy storage battery cabinet inside, arrange the master control case in the upper left side, go out the scheme on adapting to, make full use of and increase energy storage battery wind freezer upper portion screen eyebrow space, through arranging 150 x 10 copper female row, insulating part, prefabricated terminal, connecting conductor etc. accomplish single energy storage battery cabinet mill's internal integration, the cabinet body height increases 180mm height. After the energy storage battery cabinet is slightly changed, the manufacturing cost of single-sided equipment is increased and is counted by 1.5 ten thousand yuan, the original direct current convergence cabinet can be replaced, cables from the energy storage battery cabinet to the direct current convergence cabinet are saved, the length is about 18km, the comprehensive unit price (including cable installation) is estimated according to 370 yuan/m, and the cost of the cable part is saved by 666 ten thousand yuan; only the equipment and the cable part can save the cost by 116 ten thousand yuan, and the economic benefit is considerable; a direct current bus cabinet is cancelled, the energy storage battery cabinet adopts an upper-in upper-out bus bar wiring scheme and is free of cable connection, so that the arrangement of a cable trench part is cancelled, and the cost of a civil engineering part is saved; because the direct current collection flow cabinet is cancelled, the equipment arrangement field is saved, the occupied area is reduced, the building size is reduced, and the civil engineering part cost is saved. According to the scheme, the energy storage battery cabinet is slightly changed, and only the connection hardware fitting needs to be installed on site after the integration of the 150 x 10 copper busbar, the insulating piece, the prefabricated terminal, the connection conductor and the like is completed in a factory. Compared with a cable connection scheme, the field installation workload is greatly reduced; according to the scheme, all the energy storage battery cabinets and the direct-current bus bars are connected in a factory, and all the lengths are consistent, so that the consistent control of the internal resistance of the energy storage battery cabinets is facilitated; the comprehensive equipment and cable part, cable trench and cable bridge, building part, the cost can be saved up to 766 ten thousand yuan totally, the unit investment can be saved by 0.025 yuan/wh, adopt this scheme at the same time, the equipment reliability, equipment integration level have all been improved, have very good popularization nature.
Drawings
Fig. 1 is a schematic wiring diagram of the prior art.
Fig. 2 is a front view of the prior art.
Fig. 3 is a schematic diagram of the wiring of the present invention.
Fig. 4 is a front view of the present invention.
Fig. 5 is a top view of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 3 to 5, the present invention provides an embodiment: the utility model provides an enterprising go out direct current female row of drawing scheme suitable for energy storage battery cabinet, includes that energy storage battery cabinet 1, PCS cabinet 2, energy storage battery cabinet screen eyebrow 3, on-the-spot installation are female arranges link fitting 4 and copper and is female to arrange 5, copper female arrange 5 set up in energy storage battery cabinet screen eyebrow 3 department, a plurality of energy storage battery cabinets 1 set up side by side, be provided with on the energy storage battery cabinet 1 energy storage battery cabinet screen eyebrow 3, two liang the female row 5 warp of copper female link fitting 4 of on-the-spot installation is female to be connected, the female row 5 of copper of right-hand member with PCS cabinet 2 sets up through the wire connection. The energy storage battery cabinet 1 is led to a connecting conductor of a copper busbar 5 arranged at a screen header 3 of the energy storage battery cabinet through + outlet and-outlet, and a cable mode is adopted; the energy storage battery cabinet 1 is arranged on the connection of a copper busbar of the energy storage battery cabinet screen header 3 to the PCS cabinet 2, and a copper busbar mode is adopted.
The energy storage battery cabinet 1 of the utility model can be an energy storage battery liquid refrigerator, also can be an energy storage battery wind refrigerator, and is not limited thereto.
As shown in fig. 4 and fig. 5, in an embodiment of the present invention, one side of the on-site installation busbar link fitting 4 is connected to an insulating support member 6, and the other side of the on-site installation busbar link fitting 4 is connected to the prefabricated connection terminal of the copper busbar 5.
Referring to fig. 4 and 5, in an embodiment of the present invention, the prefabricated connection terminal of the copper busbar 5 is connected to the main control box of the energy storage battery cabinet 1 through a wire.
In the utility model, the arrangement of the internal module and the main control box of the energy storage battery cabinet 1 is adjusted, and the energy storage battery cabinet 1 is arranged at the upper left side for the main control box and is suitable for a scheme of cable feeding from the bottom to the bottom; heighten energy storage battery cabinet screen eyebrow height to 240mm, require to adopt can wherein 160mm be fixed height, 80mm be can dismantle the height, set up to detachable, be convenient for two 1 field installation female link fittings installations of energy storage battery cabinet.
Arranging the energy storage battery cabinet 1 on the prefabricated connecting terminals of the copper busbar 5, the insulating support piece 6 and the copper busbar of the energy storage battery cabinet screen eyebrow 3, and producing and assembling the energy storage battery cabinet 1 together in a factory.
The connection of the energy storage battery cabinet 1 + outlet and the-outlet to the connecting conductors of the copper busbar 5 arranged at the screen header 3 of the energy storage battery cabinet is completed in a factory, the connection is realized in a cable mode, one end of each connecting terminal is connected with the energy storage battery cabinet 1 + outlet and the-outlet terminal, and the installation mode can adopt an insertion mode or a screw connection mode according to the requirements of different equipment manufacturers; the other end is connected with a prefabricated connecting terminal of the copper busbar 5, and the mounting mode is screw joint.
After the on-site energy storage battery cabinet 1 is installed in place, the screen eyebrow top cover of the energy storage battery cabinet is opened, and the installation of the two energy storage battery cabinets 1 and the on-site installation busbar connecting hardware fitting 4 is completed, wherein the installation mode is a bolt connection mode.
In a word, the utility model provides an upward go out female scheme of drawing of arranging of direct current suitable for energy storage battery cabinet, make full use of increases energy storage battery cabinet upper portion screen eyebrow space for arrange 150 x 10 copper female row and accomplish and energy storage battery cabinet direct current and draw forth and be connected, and cancel the direct current cabinet that converges, energy storage battery cabinet adopts upward go out female wiring scheme of arranging, thereby the input in the aspect of the greatly reduced cost, and reduce area, improve the reliability simultaneously, equipment integration degree, fine popularization nature has.
The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.
Claims (3)
1. The utility model provides an upper feeding goes out female scheme that draws of direct current suitable for energy storage battery cabinet, its characterized in that: including energy storage battery cabinet, PCS cabinet, energy storage battery cabinet screen eyebrow, the female link fitting of arranging of field installation and copper mother row, the copper mother arrange set up in energy storage battery cabinet screen eyebrow department, a plurality of energy storage battery cabinets set up side by side, energy storage battery is provided with on the counter energy storage battery cabinet screen eyebrow, two liang copper mother arranges the warp the female link fitting of field installation is connected, the female row of copper of right-hand member with the PCS cabinet sets up through the wire connection.
2. The upper-inlet upper-outlet direct-current busbar leading scheme suitable for the energy storage battery cabinet according to claim 1, characterized in that: the bus bar connecting hardware fitting is characterized in that one side of the bus bar connecting hardware fitting is connected with an insulating support piece, and the other side of the bus bar connecting hardware fitting is connected with a prefabricated connecting terminal of the copper bus bar.
3. The upper-inlet upper-outlet direct-current busbar leading scheme suitable for the energy storage battery cabinet according to claim 1, characterized in that: and the prefabricated connecting terminal of the copper busbar is connected with the main control box of the energy storage battery cabinet through a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120632232.4U CN214313789U (en) | 2021-03-29 | 2021-03-29 | Upper-in and upper-out direct-current busbar leading scheme suitable for energy storage battery cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120632232.4U CN214313789U (en) | 2021-03-29 | 2021-03-29 | Upper-in and upper-out direct-current busbar leading scheme suitable for energy storage battery cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214313789U true CN214313789U (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120632232.4U Active CN214313789U (en) | 2021-03-29 | 2021-03-29 | Upper-in and upper-out direct-current busbar leading scheme suitable for energy storage battery cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214313789U (en) |
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2021
- 2021-03-29 CN CN202120632232.4U patent/CN214313789U/en active Active
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