CN114243528A - Energy storage contravariant all-in-one that steps up - Google Patents
Energy storage contravariant all-in-one that steps up Download PDFInfo
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- CN114243528A CN114243528A CN202111579961.9A CN202111579961A CN114243528A CN 114243528 A CN114243528 A CN 114243528A CN 202111579961 A CN202111579961 A CN 202111579961A CN 114243528 A CN114243528 A CN 114243528A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/50—Pedestal- or pad-mounted casings; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20927—Liquid coolant without phase change
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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- Microelectronics & Electronic Packaging (AREA)
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- Thermal Sciences (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses an energy storage inversion and boosting all-in-one machine which comprises a base, an energy storage and current transformation module, an environment control module, a transformer and a high-low voltage switch module. The energy storage and conversion module is arranged at the first end of the base, the ring control module is arranged at the energy storage and conversion module and used for controlling the temperature of the energy storage and conversion module and/or the transformer, the transformer is arranged on one side of the energy storage and conversion module on the base, the low-voltage side of the transformer is electrically connected with the alternating current side of the energy storage and conversion module, and the high-low voltage switch module is arranged at the second end of the base and comprises a low-voltage chamber and a high-voltage chamber.
Description
Technical Field
The invention relates to the technical field of energy storage, in particular to an energy storage inversion and boosting integrated machine.
Background
With the rapid development of energy storage technology, energy storage systems are increasingly applied to various links of power generation, transmission, distribution and use of power systems. In order to meet the requirements of power generation systems such as photovoltaic power generation and wind power generation, an energy storage system generally comprises an inverter module and a boost module.
In a traditional energy storage system, an energy storage converter (an inverter module) and a box transformer substation (a boosting module) are two independent modules, and the manufacturing cost is high. Because each module is typically bulky, the blocks need to be transported separately, which is costly to transport. And when the system is installed on site, because the inversion module and the boosting module are not integrated, the electric connection of cables and the like is required on site, the operation and maintenance on site are complex, the installation and debugging are difficult to integrate, and the whole system occupies a large area and is difficult to arrange.
Disclosure of Invention
Aiming at solving part or all problems in the prior art, the invention provides an energy storage inversion and boosting all-in-one machine, which adopts an integrated design of an inversion module and a boosting module and comprises the following steps:
a base;
at least one energy storage and current transformation module arranged at the first end of the base;
the environment control module is arranged at the energy storage converter module and is used for controlling the temperature and/or the humidity of the inner cavity environment of the energy storage converter module and/or controlling the temperature and/or the humidity of the transformer;
the transformer is arranged on one side of the energy storage converter module on the base, and the low-voltage side of the transformer is electrically connected with the alternating current side of the energy storage converter module; and
high-low voltage switch module set up in the second end department of base includes:
the low-voltage power distribution cabinet is connected with the energy storage converter module in a communication mode and is configured to control the high-voltage power distribution cabinet and the transformer; and
a high voltage chamber having an input end electrically connected to a high voltage side of the transformer.
Further, the energy storage converter module includes a first heat dissipation assembly, and the first heat dissipation assembly is disposed inside the energy storage converter module, for example, includes an air cooling and liquid cooling hybrid heat dissipation assembly or a liquid cooling heat dissipation assembly.
Further, the ring control module performs liquid cooling or air cooling heat dissipation on the inside of the energy storage converter module, and performs heat exchange and/or communication through an external heat dissipation assembly, and the ring control module includes one or more of the following components:
the liquid cooling assembly is arranged on the side surface of the energy storage current transformation module and is used for controlling the first heat dissipation assembly and the second heat dissipation assembly; and
at least one second heat dissipation assembly, which is connected with the first heat dissipation assembly, or fixed on the side surface of the energy storage converter module, or fixed on the top of the energy storage converter module, or one end of the second heat dissipation assembly is fixed on the top of the energy storage converter module, and the other end of the second heat dissipation assembly is fixedly connected with the base through a support; and
and the control assembly comprises acquisition units of ambient temperature, humidity and water temperature, and/or a power supply module, and/or control units of parts such as a water pump, a three-way valve, a compressor, a fan, a heater and the like, and/or a communication unit for monitoring the PCS and the box transformer substation, coordinating the controller and monitoring the direct current.
Further, the power of the second heat dissipation assembly is set in equal proportion to the power of the energy storage converter module.
Further, the base includes:
the main body frame is made of channel steel and is used for supporting the energy storage converter module, the transformer and the high-low voltage switch module, and a wire groove is formed among the modules;
the first cavity is made of channel steel, arranged inside the base and used for laying a first electrical connector of the energy storage converter module and the high-low voltage switch module, and the first electrical connector comprises a cable; and
the second cavity is made of channel steel, is arranged at the bottom of the base and is used for laying a second electrical connector of the energy storage converter module and the transformer, and the second electrical connector comprises a cable or a copper bar.
Further, the energy storage converter module includes an external electrical interface and an external mechanical interface, where the external electrical interface is used for electrical connection and/or optical link between the ac side and the dc side of the energy storage converter module and other modules, and the mechanical interface is used for connection between the energy storage converter module and the base and/or the environmental control module.
Further, the low-voltage side of the transformer is electrically connected with the alternating-current side of the energy storage and conversion module through a copper bar or a cable, wherein the cable is laid on the bottom support frame along the first cavity; and/or
The input end of the high-voltage chamber is electrically connected with the high-voltage side of the transformer through a copper bar; and/or
The low-pressure chamber is connected with the energy storage variable flow module in a communication mode through a first electrical connector, and the second electrical connector is laid on the bottom support frame along the second cavity.
Further, the base further comprises a transformer protection frame which is arranged on the periphery of the transformer and exposes one side of the transformer close to the high-low voltage switch module.
Further, the base further comprises a hoisting point and/or an all-in-one machine transportation fixing point.
Further, the protection grade of the energy storage current transformation module is not lower than IP65, and the protection grade of the transformer and/or the high-low voltage switch module is not lower than IP 54.
According to the energy storage inversion and boosting all-in-one machine, the energy storage conversion module, the transformer and the high-low voltage switch module are all integrated on the base according to the specified position relation, the electrical connection is convenient, when the energy storage conversion module is installed on site, the energy storage conversion module only needs to be integrally hoisted, and then the corresponding electrical connector is installed, so that the installation and transportation difficulty is greatly reduced, and the man-hour for site maintenance and installation is reduced. The energy storage converter modules can be increased or decreased in number according to requirements, and the heat dissipation assemblies in corresponding numbers are arranged according to requirements to realize temperature control, but the number of control cabinets is not required to be increased, so that modular arrangement is realized. In addition, each submodule of the energy storage inversion and boosting all-in-one machine adopts an outdoor cabinet design, so that outdoor protection is not needed by an additional cavity structure, and the cost is low. The inversion module and the boosting module of the energy storage inversion and boosting integrated machine are designed in an integrated machine mode, and the occupied area is small.
Drawings
To further clarify the above and other advantages and features of embodiments of the present invention, a more particular description of embodiments of the present invention will be rendered by reference to the appended drawings. It is appreciated that these drawings depict only typical embodiments of the invention and are therefore not to be considered limiting of its scope. In the drawings, the same or corresponding parts will be denoted by the same or similar reference numerals for clarity.
Fig. 1 is a schematic structural diagram of an energy storage inversion and boosting all-in-one machine according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of an energy storage inverter-booster all-in-one machine according to yet another embodiment of the invention;
fig. 3a shows a schematic diagram of an energy storage converter module and an environmental control module in an embodiment of the invention;
fig. 3b shows a schematic diagram of an energy storage converter module and an environmental control module in a further embodiment of the invention;
fig. 4 is a schematic structural diagram of a base of an energy storage inversion and boosting all-in-one machine according to an embodiment of the invention;
FIG. 5a shows a schematic view of first and second chambers of one embodiment of the present invention; and
fig. 5b shows a schematic structural diagram of the first and second cavities according to yet another embodiment of the present invention.
Detailed Description
In the following description, the present invention is described with reference to examples. One skilled in the relevant art will recognize, however, that the embodiments may be practiced without one or more of the specific details, or with other alternative and/or additional methods, materials, or components. In other instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring aspects of the invention. Similarly, for purposes of explanation, specific numbers, materials and configurations are set forth in order to provide a thorough understanding of the embodiments of the invention. However, the invention is not limited to these specific details. Further, it should be understood that the embodiments shown in the figures are illustrative representations and are not necessarily drawn to scale.
Reference in the specification to "one embodiment" or "the embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment.
In this specification, "disposed on …", "disposed over …" and "disposed over …" do not exclude the presence of an intermediate therebetween, unless otherwise specified. Further, "disposed on or above …" merely indicates the relative positional relationship between two components, and may also be converted to "disposed below or below …" and vice versa in certain cases, such as after reversing the product direction.
In this specification, unless specifically stated otherwise, the terms "a" and "an" do not exclude the presence of a plurality of elements.
It is further noted herein that in embodiments of the present description, only a portion of the components or assemblies may be shown for clarity and simplicity, but those of ordinary skill in the art will appreciate that, under the teachings of the present description, required components or assemblies may be added as needed in particular scenarios.
It is also noted herein that, within the scope of this specification, the terms "same", "equal", and the like do not mean that the two values are absolutely equal, but allow some reasonable error, that is, the terms also encompass "substantially the same", "substantially equal", and the like. By analogy, in this specification the terms "perpendicular to", "parallel to" and the like in the directions of the tables also cover the meaning of "substantially perpendicular to", "substantially parallel to".
In traditional energy storage system, contravariant module and the module mutual independence that steps up, manufacturing cost is higher on the one hand, and its operation and maintenance is more complicated on the other hand, and each submodule piece needs to be transported respectively to the installation scene, then carries out electric connection such as cable and carries out the debugging on the scene. Meanwhile, the whole floor area is large due to the fact that the modules are divided into a plurality of modules. Aiming at the problem, the invention provides an energy storage inversion and boosting all-in-one machine which integrates an inversion module and a boosting module on the same base. The solution of the invention is further described below with reference to the accompanying drawings of embodiments.
Fig. 1 shows a schematic structural diagram of an energy storage inverter-booster all-in-one machine according to an embodiment of the invention. As shown in fig. 1, an energy storage inversion and boosting all-in-one machine includes a base 101, an energy storage converter module 102, an environment control module, a transformer 104, and a high-low voltage switch module 105. The energy storage converter module 102, the transformer 104 and the high-low voltage switch module 105 are all mounted on the base 101. Specifically, the energy storage converter module 102 is disposed at a first end of the base 101, the high-low voltage switch module 105 is disposed at a second end of the base 101, and the transformer 104 is disposed between the energy storage converter module 102 and the high-low voltage switch module 105.
Fig. 4 shows a schematic structural diagram of a base of an energy storage inverter-booster all-in-one machine according to an embodiment of the invention. As shown in fig. 4, the base 101 includes a main body frame 1011 and first and second cavities. The main body frame 1011 is made of channel steel and is mainly used for supporting the energy storage converter module 102, the transformer 104 and the high-low voltage switch module 105. In an embodiment of the present invention, the main body frame 1011 includes an outer frame, the outer frame includes a plurality of longitudinally and/or laterally distributed channel steels inside, the channel steels may form a grid, for example, to support the energy storage converter module 102, the transformer 104, and the high-low voltage switch module 105, and meanwhile, a first cavity and a second cavity may be formed between the two modules through the channel steels arranged along the wiring direction, so as to facilitate the routing between the modules, and to avoid damage caused by the contact of the cable with the ground. As shown in fig. 4, the first cavity 1012 is used for laying a first electrical connection between the high-low voltage switch module 105 and the energy storage converter module 102, and the second cavity 1013 is used for laying a second electrical connection between the transformer 104 and the energy storage converter module 102. Wherein the first electrical connector comprises, for example, a cable, and the second electrical connector comprises, for example, a copper bar or a cable.
In one embodiment of the present invention, the base 101 further comprises a transformer guard 1014. The transformer guard 1014 is disposed around the transformer 104, but exposes a side of the transformer 104 close to the high-low voltage switch module 105. The transformer guard 1014 is used to protect the transformer 104, for example, from electromagnetic interference or thermal insulation.
To facilitate transportation and hoisting during transportation, in an embodiment of the present invention, the base 101 further includes a hoisting point and/or an all-in-one machine transportation fixing point. The fixed point of all-in-one transportation can guarantee the transportation in the stability of energy storage contravariant all-in-one that steps up to damage appears in the avoidance of. And the energy storage inversion and boosting integrated machine can be integrally hoisted through the hoisting lifting points, and is quickly arranged in a preset place for subsequent installation operation.
The energy storage converter module 102 performs an inversion function, and may include, for example, a dc protection module, an ac protection module, a control module, a reactor component, a power module, a capacitor filter module, and a first heat dissipation component. The first heat dissipation assembly may include, for example, a liquid cooling assembly such as a cooling liquid pipe, and/or an air cooling assembly such as a fan. In the embodiment of the present invention, one or more energy storage and conversion modules may be arranged according to different actual requirements, for example, in the embodiment shown in fig. 3a, the energy storage inverting and boosting all-in-one machine includes two energy storage and conversion modules, and in the embodiment shown in fig. 3b, the energy storage inverting and boosting all-in-one machine includes only one energy storage and conversion module. It should be understood that in other embodiments of the present invention, according to actual requirements, more energy storage converter modules may be disposed in the energy storage inverting and boosting all-in-one machine.
Therefore, in an embodiment of the present invention, an environmental control module is further disposed on the energy storage converter module 102, and is configured to perform temperature control and/or humidity control on the energy storage converter module, specifically, perform liquid-cooling or phase-change heat dissipation on the inside of the energy storage converter module, and perform heat exchange and/or communication through an external heat dissipation component. In the embodiment shown in fig. 1, the environmental control module includes a liquid cooling assembly 1031, a second heat sink assembly 1032, and a control assembly. The liquid cooling assembly 1031 is disposed on a side surface of the energy storage converter module 102, and is configured to control the first heat dissipation assembly and the second heat dissipation assembly. The second heat dissipation assembly 1032 may be, for example, a liquid cooling heat exchanger, as shown in fig. 1, one end of the liquid cooling heat exchanger is fixed to the top of the energy storage converter module 102, and the other end of the liquid cooling heat exchanger is fixedly connected to the base through a bracket 1015, in an embodiment of the present invention, the bracket 1015 is fixed to the base 101 and is located inside the transformer protection frame 1014, that is, near one side of the transformer 104, and at this time, the environmental control module may also be used to control humidity and/or temperature of the transformer. Fig. 2 shows a schematic structural diagram of an energy storage inverter-booster all-in-one machine according to still another embodiment of the invention. As shown in fig. 2, the liquid-cooled heat exchanger may also be directly fixed to the top of the energy storage converter module 102. In other embodiments of the present invention, the second heat dissipation assembly may also be placed on a side of the energy storage converter module and fixed on the base. The power of the second heat dissipation assembly 1032 is set in equal proportion to the power of the energy storage converter module 102, for example, one energy storage converter module corresponds to one second heat dissipation assembly, or a plurality of second heat dissipation assemblies are set on one energy storage converter module, when the power of the energy storage converter module is increased, the power of the second heat dissipation assembly is also increased in equal proportion, but the number of the control cabinets is not changed, only one heat dissipation assembly is adopted, and the modular arrangement is realized. It should be understood that, in other embodiments of the present invention, the second heat dissipation assembly may also adopt other temperature control or cooling manners, such as air cooling, as long as the second heat dissipation assembly is integrally installed with the energy storage converter module 102. The control component comprises an acquisition unit for the ambient temperature, the humidity and the water temperature, and/or a power supply module, and/or a control unit for parts such as a water pump, a three-way valve, a compressor, a fan, a heater and the like, and/or a communication unit for monitoring the PCS and the box transformer substation, coordinating the controller and monitoring the direct current. It should be understood that in other embodiments of the present invention, the environmental control module may also include only one or more of a liquid cooling assembly, a second heat dissipation assembly, and a control assembly.
The energy storage converter module 102 is further provided with an external interface, and the external interface is arranged at the bottom of the energy storage converter module 102 and comprises an external electrical interface and an external mechanical interface. The external electrical interface is used for electrical and/or optical connection between the ac side and the dc side of the energy storage and conversion module and other modules, wherein the dc side is electrically connected to an external battery pack, and the ac side is electrically connected to the low-voltage side of the transformer 104 through a second electrical connector. In one embodiment of the present invention, the second electrical connector is a cable, for example, which may be laid along the second chamber 1013, so that the passage between the energy storage converter module 102 and the transformer 104 is convenient for later maintenance. In yet another embodiment of the present invention, the second electrical connector is a copper bar. And the external mechanical interface is used for connecting the energy storage current transformation module with the base and/or the environmental control module.
The high-low voltage switch module 105 includes a low voltage chamber and a high voltage chamber. Wherein the low voltage compartment comprises a low voltage distribution cabinet and an auxiliary transformer, wherein the low voltage distribution cabinet is electrically connected to the energy storage converter module 102 via an electrical connector and is configured to control the high voltage compartment and the transformer. In one embodiment of the present invention, the electrical connector is a cable that is laid over the first cavity 1012. The input of the high voltage chamber is electrically connected to the high voltage side of the transformer 104, and in one embodiment of the present invention, the input of the high voltage chamber is electrically connected to the high voltage side of the transformer 104 through a copper bar.
Fig. 5a and 5b respectively show schematic diagrams of the first and second cavities of the energy storage inversion and boosting all-in-one machine including one energy storage converter module and two energy storage converter modules. As shown in fig. 5a, when only one energy storage converter module is provided, the first cavity 1012 is disposed inside the base and is used for laying a first electrical connection between the energy storage converter module and the high-low voltage switch module, and the second cavity 1013 is disposed at the bottom of the base and is used for laying a second electrical connection between the energy storage converter module and the transformer. As shown in fig. 5b, when two energy storage converter modules are provided, a first cavity 1012 and a second cavity 1013 are respectively provided on the base corresponding to the positions of the external interfaces of the two energy storage converter modules, and a third cavity 1016 is further provided between the two energy storage converter modules, for laying a connecting member, such as a copper bar or a cable, between the two energy storage converter modules.
Because energy storage contravariant steps up all-in-one usually works in outdoor environment, consequently, its requirement to outdoor protection is higher. Typically, for outdoor protection, additional cavity structures are involved encasing the different sub-modules. However, to further simplify the overall structure, in one embodiment of the invention, each module is designed as an outdoor cabinet, for example, such that the protection rating of the energy storage converter module 101 is not lower than IP65, and/or the protection rating of the transformer 104 and/or the high-low voltage switch module 105 is not lower than IP 54. For this purpose, for example, the housing of the energy storage and current transformation module 101 and/or the transformer 104 and/or the high-low voltage switch module 105 may be made by full-weld splicing, and sealing strips and the like may be provided.
When the energy storage inversion and boosting integrated machine is installed on site, the integrated machine only needs to be integrally hoisted, a power cable and a control cable on a direct current side and a power cable on a high voltage side are installed, the transportation and the installation are convenient, and the working hours of site maintenance and installation can be effectively reduced.
While various embodiments of the present invention have been described above, it should be understood that they have been presented by way of example only, and not limitation. It will be apparent to persons skilled in the relevant art that various combinations, modifications, and changes can be made thereto without departing from the spirit and scope of the invention. Thus, the breadth and scope of the present invention disclosed herein should not be limited by any of the above-described exemplary embodiments, but should be defined only in accordance with the following claims and their equivalents.
Claims (10)
1. The utility model provides an energy storage contravariant all-in-one that steps up which characterized in that includes:
a base;
at least one energy storage and current transformation module arranged at the first end of the base;
the environment control module is arranged at the energy storage converter module and is used for controlling the environmental temperature and/or humidity of an inner cavity of the energy storage converter module and/or controlling the temperature and/or humidity of a transformer;
the transformer is arranged on one side of the energy storage converter module on the base, and the low-voltage side of the transformer is electrically connected with the alternating current side of the energy storage converter module; and
high-low voltage switch module set up in the second end department of base includes: low pressure chamber, high pressure chamber.
2. The energy storage inversion and boosting all-in-one machine as claimed in claim 1, wherein the energy storage converter module comprises a first heat dissipation assembly, and the first heat dissipation assembly is arranged inside the energy storage converter module.
3. The integrated energy storage, inverting and boosting machine according to claim 2, wherein the environmental control module performs liquid cooling or phase change heat dissipation on the inside of the energy storage and converting module, performs heat exchange and/or communication through an external heat dissipation assembly, and comprises at least one of the following components:
the liquid cooling assembly is arranged on the side surface of the energy storage current transformation module and is configured to control the first heat dissipation assembly and the second heat dissipation assembly;
at least one second heat dissipation assembly, which is connected with the first heat dissipation assembly, or fixed on the top of the energy storage converter module, or one end of the second heat dissipation assembly is fixed on the top of the energy storage converter module, and the other end of the second heat dissipation assembly is fixedly connected with the base through a bracket, or placed on the side surface of the energy storage converter module and fixed on the base; and
and the control assembly comprises acquisition units of ambient temperature, humidity and water temperature, and/or a power supply module, and/or control units of parts such as a water pump, a three-way valve, a compressor, a fan, a heater and the like, and/or a communication unit for monitoring the PCS and the box transformer substation, coordinating the controller and monitoring the direct current.
4. An energy storage inversion and boosting all-in-one machine as claimed in claim 3, wherein the power of the second heat dissipation assembly is set in proportion to the power of the energy storage conversion module.
5. The energy storage inverter-booster all-in-one machine of claim 1, wherein the base comprises:
the main body frame is made of channel steel and is configured to support the energy storage converter module, the transformer and the high-low voltage switch module; and
the first cavity is made of channel steel, is arranged inside the base and is configured to be paved with a first electrical connector of the energy storage converter module and the high-low voltage switch module; and
and the second cavity is made of channel steel, is arranged at the bottom of the base and is configured to be paved with a second electrical connector of the energy storage converter module and the transformer.
6. The integrated energy storage, inverting and boosting machine according to claim 1, wherein the energy storage and converting module comprises an external electrical interface and an external mechanical interface, wherein:
the external electrical interface is configured to enable electrical and/or optical connection of the ac side and the dc side of the energy storage converter module with other modules; and
the external mechanical interface is configured to enable connection of the energy storage converter module with a base and/or an environmental control module.
7. The integrated energy storage, inversion and boosting machine according to claim 5, wherein the energy storage and conversion module is connected to the low voltage side of the transformer through the second electrical connector, wherein the second electrical connector is a copper bar or a cable; and/or
The input end of the high-voltage chamber is electrically connected with the high-voltage side of the transformer through a copper bar; and/or
The energy storage converter module is connected with the low-voltage chamber through a first electrical connector, wherein the first electrical connector is a cable.
8. The integrated energy storage, inversion and boosting machine according to claim 1, wherein the base further comprises a transformer protection frame which is arranged on the periphery of the transformer and exposes one side of the transformer close to the high-low voltage switch module.
9. An energy storage inversion and boosting all-in-one machine as claimed in claim 1, wherein the base further comprises a hoisting point and/or an all-in-one machine transportation fixing point.
10. The integrated energy storage, inversion and boosting machine according to claim 1, wherein the low-voltage room comprises a low-voltage distribution cabinet and an auxiliary transformer, wherein the low-voltage distribution cabinet is communicably connected with the energy storage and conversion module and is configured to control the high-voltage room and the transformer; and the input end of the high-voltage chamber is electrically connected with the high-voltage side of the transformer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111579961.9A CN114243528A (en) | 2021-12-22 | 2021-12-22 | Energy storage contravariant all-in-one that steps up |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111579961.9A CN114243528A (en) | 2021-12-22 | 2021-12-22 | Energy storage contravariant all-in-one that steps up |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115328237A (en) * | 2022-08-24 | 2022-11-11 | 陕西华兴电能有限公司 | Energy storage converter heat management device and method |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115328237A (en) * | 2022-08-24 | 2022-11-11 | 陕西华兴电能有限公司 | Energy storage converter heat management device and method |
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