CN112737132A - Modular energy storage integrated system - Google Patents
Modular energy storage integrated system Download PDFInfo
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- CN112737132A CN112737132A CN202110028562.7A CN202110028562A CN112737132A CN 112737132 A CN112737132 A CN 112737132A CN 202110028562 A CN202110028562 A CN 202110028562A CN 112737132 A CN112737132 A CN 112737132A
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- 238000004146 energy storage Methods 0.000 title claims abstract description 108
- 238000010248 power generation Methods 0.000 claims abstract description 37
- 230000009466 transformation Effects 0.000 claims abstract description 24
- 230000005611 electricity Effects 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J15/00—Systems for storing electric energy
Abstract
The invention discloses a modularized energy storage integrated system, which consists of a charge generation layer, an energy storage layer and a load layer; the energy storage layers are internally provided with a plurality of energy storage devices for storing current, a voltage transformation converter for bidirectionally transmitting current is connected between the energy storage devices, and the energy storage devices comprise a high-voltage energy storage device, a medium-voltage energy storage device and a low-voltage energy storage device. The power generation management subsystem is adopted to selectively start or close one or more than one energy storage devices to determine power generation, the condition that the storage capacity of one or more than one energy storage device is insufficient is avoided, the direct current alternating current converter is prevented from being overloaded, the storage capacity balance between the adjacent energy storage devices is realized by utilizing the voltage transformation converter between the energy storage devices, the intelligent control of the energy storage management subsystem is realized, only the conversion between high voltage and medium voltage and the conversion between medium voltage and low voltage are adopted during voltage transformation, the span and the pressure of the voltage transformation converter are reduced, the stability of the voltage transformation is improved, each internal energy storage device is enabled to reach the internal storage capacity balance, and the condition that.
Description
Technical Field
The invention relates to the technical field of modular energy storage, in particular to a modular energy storage integrated system.
Background
With the wide application of new energy power generation, the position of energy storage in a power system is more and more important. The traditional energy storage mode basically adopts a single energy storage device, the single energy storage device is simultaneously applied to high, medium and low voltage loads, internal voltage intelligent regulation balance cannot be quickly achieved among the energy storage devices, and the pressure of the energy storage load is large.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a modular energy storage integrated system which can effectively solve the problems in the background art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the modularized energy storage integrated system consists of a charge generation layer, an energy storage layer and a load layer;
the energy storage layers are internally provided with a plurality of energy storage devices for storing current, a voltage transformation converter for bidirectionally transmitting current is connected between the energy storage devices, and the energy storage devices comprise a high-voltage energy storage device, a medium-voltage energy storage device and a low-voltage energy storage device;
the power generation layer is internally provided with a plurality of power generation devices adopting different power generation modes, the output ends of the power generation devices are commonly connected with the input end of the direct current-alternating current converter, and the output end of the direct current-alternating current converter is simultaneously connected with a plurality of energy storage devices;
a high-voltage load interface, a medium-voltage load interface and a low-voltage load interface are arranged in the load layer, and the high-voltage load interface, the medium-voltage load interface and the low-voltage load interface are respectively connected to the output ends of the high-voltage energy storage device, the medium-voltage energy storage device and the low-voltage energy storage device;
the modularized energy storage integrated system also comprises a power generation management subsystem with the built-in power generation layer and an energy storage management subsystem with the built-in power storage layer;
the energy storage management subsystem comprises an energy storage management module for simultaneously controlling a plurality of energy storage devices and a transformation management module for controlling the transformation converter;
the electricity generation management subsystem comprises an electricity generation selection module for selectively controlling the electricity generation device to generate electricity and an electricity generation starting module for controlling the electricity generation device to start to generate electricity.
Further, the plurality of electricity generating devices can be one or more of wind energy electricity generation, water energy electricity generation, heat energy electricity generation and solar energy electricity generation.
Further, the dc/ac converter converts the dc power transmitted by the power generation device into ac power.
Furthermore, a display screen for displaying the internal energy storage capacity is arranged on the outer side of the energy storage device.
Furthermore, the output ends of the high-voltage load interface, the medium-voltage load interface and the low-voltage load interface are all connected with adapters.
Compared with the prior art, the invention has the beneficial effects that:
the invention can be suitable for various electric generating devices, one or more than one electric generating devices can be selectively started or closed through the electric generating management subsystem to determine the electric generating effect, the direct current and alternating current converter is prevented from being overloaded, the converted alternating current is averagely arranged in different energy storage devices, the storage balance between the adjacent energy storage devices is realized by utilizing the transformation converter between the energy storage devices, the energy storage management subsystem is used for intelligently controlling, only the conversion between high voltage and medium voltage, and between medium voltage and low voltage is adopted during transformation, the span and the pressure of the transformation converter are reduced, the stability of the transformation is improved, each internal energy storage device achieves the internal storage balance, the condition that the storage amount of one or more energy storage devices is insufficient is avoided, the integral structure is simple, the stability is strong, and the invention can be suitable for different environments.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of an internal configuration control module according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in the figure, the invention provides a modularized energy storage integrated system, which consists of a charge generation layer, a charge storage layer and a load layer; the energy storage layers are internally provided with a plurality of energy storage devices for storing current, a voltage transformation converter for bidirectionally transmitting current is connected between the energy storage devices, and the energy storage devices comprise a high-voltage energy storage device, a medium-voltage energy storage device and a low-voltage energy storage device; the power generation layer is internally provided with a plurality of power generation devices adopting different power generation modes, the output ends of the power generation devices are commonly connected with the input end of the direct current-alternating current converter, and the output end of the direct current-alternating current converter is simultaneously connected with a plurality of energy storage devices; a high-voltage load interface, a medium-voltage load interface and a low-voltage load interface are arranged in the load layer, and the high-voltage load interface, the medium-voltage load interface and the low-voltage load interface are respectively connected to the output ends of the high-voltage energy storage device, the medium-voltage energy storage device and the low-voltage energy storage device; the modularized energy storage integrated system also comprises a power generation management subsystem with the built-in power generation layer and an energy storage management subsystem with the built-in power storage layer; the energy storage management subsystem comprises an energy storage management module for simultaneously controlling a plurality of energy storage devices and a transformation management module for controlling the transformation converter; the electricity generation management subsystem comprises an electricity generation selection module for selectively controlling the electricity generation device to generate electricity and an electricity generation starting module for controlling the electricity generation device to start to generate electricity.
The power generation device comprises a plurality of power generation devices, a direct current and alternating current converter, a high-voltage load interface, a medium-voltage load interface and a low-voltage load interface, wherein the power generation devices can generate one or more of wind power, water power, heat energy and solar power, the direct current and alternating current converter converts direct current transmitted by the power generation devices into alternating current, a display screen for displaying internal energy storage capacity is arranged on the outer side of the energy storage device, and output ends of the high-voltage load interface, the medium-voltage load interface and the low-voltage load interface.
The technology can be suitable for various different power generation devices, one or more power generation effects can be determined by selectively starting or closing the power generation management subsystem, the phenomenon that a direct current alternating current converter is overloaded is avoided, the converted alternating current is averagely arranged in different energy storage devices, the balance of the reserves between adjacent energy storage devices is realized by using a transformation converter between the energy storage devices, the intelligent control is realized by the energy storage management subsystem, only the conversion between high voltage and medium voltage and between medium voltage and low voltage is adopted during transformation, the span performance and the pressure of the transformation converter are reduced, the stability of the transformation is improved, each internal energy storage device is enabled to reach the balance of the reserves, and the condition that the reserves are insufficient in one or more energy storage devices is avoided.
The specific working principle is as follows: the power generation devices in the power generation layer generate power by adopting one or more different power generation modes, the power generation selection module in the production management subsystem is used for controlling and selectively selecting one or more power generation devices to generate power, the power generation starting module is used for controlling and starting the power generation, all produced direct currents are all led to the input end of the direct current-alternating current converter, the direct current-alternating current converter converts the direct current transmitted by the input end into alternating current for outputting, the output alternating current is stored in the high-voltage energy storage device, the medium-voltage energy storage device and the low-voltage energy storage device at the same time, currents with different voltages are respectively stored in the three energy storage devices, the three energy storage devices are mutually adjusted under the control of the energy storage management module, the voltage conversion and the transmission between the adjacent energy storage devices are realized through the voltage transformation switching device controlled by the voltage transformation management module, and the internal storage capacity is practically balanced, the internal reserves are conveniently checked through the display of a corresponding display screen (not marked), and the energy storage devices with different voltages are provided with corresponding load interfaces to conveniently convey currents with equal voltages and are used for conveying to the outside after being adjusted by an adapter.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. Modularization energy storage integrated system, its characterized in that: the device consists of a charge generation layer, a charge storage layer and a load layer;
the energy storage layers are internally provided with a plurality of energy storage devices for storing current, a voltage transformation converter for bidirectionally transmitting current is connected between the energy storage devices, and the energy storage devices comprise a high-voltage energy storage device, a medium-voltage energy storage device and a low-voltage energy storage device;
the power generation layer is internally provided with a plurality of power generation devices adopting different power generation modes, the output ends of the power generation devices are commonly connected with the input end of the direct current-alternating current converter, and the output end of the direct current-alternating current converter is simultaneously connected with a plurality of energy storage devices;
a high-voltage load interface, a medium-voltage load interface and a low-voltage load interface are arranged in the load layer, and the high-voltage load interface, the medium-voltage load interface and the low-voltage load interface are respectively connected to the output ends of the high-voltage energy storage device, the medium-voltage energy storage device and the low-voltage energy storage device;
the modularized energy storage integrated system also comprises a power generation management subsystem with the built-in power generation layer and an energy storage management subsystem with the built-in power storage layer;
the energy storage management subsystem comprises an energy storage management module for simultaneously controlling a plurality of energy storage devices and a transformation management module for controlling the transformation converter;
the electricity generation management subsystem comprises an electricity generation selection module for selectively controlling the electricity generation device to generate electricity and an electricity generation starting module for controlling the electricity generation device to start to generate electricity.
2. The modular energy storage integrated system of claim 1, wherein: the plurality of electricity generating devices can be one or more of wind energy electricity generation, water energy electricity generation, heat energy electricity generation and solar energy electricity generation.
3. The modular energy storage integrated system of claim 1, wherein: the direct current and alternating current converter converts direct current transmitted by the power generation device into alternating current.
4. The modular energy storage integrated system of claim 1, wherein: and a display screen for displaying the internal energy storage capacity is arranged on the outer side of the energy storage device.
5. The modular energy storage integrated system of claim 1, wherein: the output ends of the high-voltage load interface, the medium-voltage load interface and the low-voltage load interface are all connected with adapters.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110028562.7A CN112737132A (en) | 2021-01-12 | 2021-01-12 | Modular energy storage integrated system |
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| CN202110028562.7A CN112737132A (en) | 2021-01-12 | 2021-01-12 | Modular energy storage integrated system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017638A (en) * | 2017-05-23 | 2017-08-04 | 杭州电子科技大学 | A kind of many bus electric energy router topological structures of multiport suitable for power distribution network |
| CN206894237U (en) * | 2017-06-03 | 2018-01-16 | 无锡集安自动化科技有限公司 | A kind of low-voltage direct power distribution network special purpose device |
| CN109301811A (en) * | 2018-11-13 | 2019-02-01 | 中国铁路总公司 | A kind of comprehensive direct current system |
| US20200169091A1 (en) * | 2018-01-24 | 2020-05-28 | Limited Liability Company "Watts Battery" [Ru/Ru] | Modular power supply system |
| CN111537825A (en) * | 2020-05-28 | 2020-08-14 | 富能宝能源科技有限公司 | Verification platform and method for micro-grid and energy storage system with alternative architecture |
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2021
- 2021-01-12 CN CN202110028562.7A patent/CN112737132A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017638A (en) * | 2017-05-23 | 2017-08-04 | 杭州电子科技大学 | A kind of many bus electric energy router topological structures of multiport suitable for power distribution network |
| CN206894237U (en) * | 2017-06-03 | 2018-01-16 | 无锡集安自动化科技有限公司 | A kind of low-voltage direct power distribution network special purpose device |
| US20200169091A1 (en) * | 2018-01-24 | 2020-05-28 | Limited Liability Company "Watts Battery" [Ru/Ru] | Modular power supply system |
| CN109301811A (en) * | 2018-11-13 | 2019-02-01 | 中国铁路总公司 | A kind of comprehensive direct current system |
| CN111537825A (en) * | 2020-05-28 | 2020-08-14 | 富能宝能源科技有限公司 | Verification platform and method for micro-grid and energy storage system with alternative architecture |
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