CN211405604U - Electric energy router based on power electronic transformer - Google Patents
Electric energy router based on power electronic transformer Download PDFInfo
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- CN211405604U CN211405604U CN201922065594.5U CN201922065594U CN211405604U CN 211405604 U CN211405604 U CN 211405604U CN 201922065594 U CN201922065594 U CN 201922065594U CN 211405604 U CN211405604 U CN 211405604U
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/128—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment involving the use of Internet protocol
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- Supply And Distribution Of Alternating Current (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses an electric energy router based on power electronic transformer, including power electronic solid-state module, electric energy interface module, energy storage module, monitoring and communication module, intelligent control module. The electric energy router not only needs to provide flexible and various electric interfaces for different distributed power supplies and different types of loads, but also needs to realize multidirectional flow of energy and active control of power flow. The power electronic transformer has the advantage of flexible control, not only can flexibly provide an AC/DC bus interface, but also can realize voltage conversion and energy bidirectional transmission through a power electronic conversion technology and a high-frequency transformer, and meets the requirements of an electric energy router of a power system. The utility model is suitable for an AC/DC hybrid power distribution network inserts, can be equipped with extensive energy storage system, realizes the control of power flow. The electric energy router of the power electronic transformer can conveniently realize bidirectional energy flow through control, and is a key device in the field of future energy Internet.
Description
Technical Field
The utility model relates to a power electronics, concretely relates to electric energy router based on power electronic transformer.
Background
In recent years, the concept of energy internet is widely concerned, and an electric energy router, as a key technology for realizing the energy internet, can integrate various distributed power supplies and energy storage units to supply power to loads in coordination with a power distribution network, and is an effective scheme for realizing electric energy multidirectional control, development of new energy from single centralized control to distributed control and access of various loads of the power distribution network. A new generation of power system will introduce a large amount of renewable energy for power generation, and will fundamentally change the energy management form of the power system. Aiming at the problems in the prior art, a structure capable of adapting to a future power distribution system is provided, plug and play of distributed energy and energy storage equipment can be realized, and an alternating current/direct current bus interface and a control interface are provided.
Disclosure of Invention
The purpose of the invention is as follows: in order to solve the problems, the electric energy router which realizes plug and play of distributed energy and energy storage equipment and provides an AC/DC bus interface and a control interface transformer based on power electronics is provided.
The technical scheme is as follows: the utility model provides an electric energy router based on power electronic transformer, by controllable electric physical device, information system and communication platform combination formation, electric energy router structure includes power electronics solid state module, electric energy interface module, energy storage module, monitoring and communication module, intelligent control module; the power electronic solid-state module is in bidirectional connection with the electric energy interface module, the energy storage module and the monitoring and communication module through electric energy; the energy storage module, the monitoring and communication module and the intelligent control module are in information communication with each other.
Further, the power electronic solid-state module comprises a power electronic converter, a high-frequency transformer, a filter, related firmware and an interface, and is used for controlling the amplitude, the phase, the frequency and the magnitude and the direction of the input and output power of the voltage or the current.
Furthermore, the electric energy interface module is provided with an input/output interface structure according to different power loads, wherein the power loads are divided into an alternating current load, a direct current load, a distributed power supply, a micro-grid access and a distributed energy storage device access.
Furthermore, the energy storage module is used for power balance of the power distribution system and reducing influence of intermittent power fluctuation of the new energy power generation equipment on the power distribution network, and any distributed energy storage system can be accessed into the electric energy router in a plug-and-play mode to realize distributed management.
And furthermore, the monitoring and communication module is used for feeding back the measurement of the working state, the power quality and the environment of the equipment, detecting the branch current and the port voltage information of each module, and transmitting the information to the information processing and control module.
Furthermore, the intelligent control module is used for collecting, intelligently arranging and calculating intermediate data of the main circuit of the electric energy router, the electric energy quality, the control system and other intelligent equipment state data, and issuing a control command according to a coordination optimization target of the electric energy router system.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages: 1. the proposed electric energy router structure adopts a modularized cascade H-bridge structure to provide a modularized AC/DC interface; 2. the electric energy router can conveniently realize the bidirectional flow of energy through the control module.
Drawings
FIG. 1 is a block diagram of the present invention;
fig. 2 is a diagram of the composition of an active power distribution network based on an electric energy router.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, an electric energy router based on a power electronic transformer structurally comprises five modules, namely a power electronic solid-state module, an electric energy interface module, an energy storage module, a monitoring and communication module and an intelligent control module.
The power electronic solid-state module is a main body for controlling electric energy and mainly comprises a power electronic converter, a high-frequency transformer, a filter, related firmware and an interface. The device is a main part for realizing flexible control of electric energy, and can control the amplitude, phase, frequency and input/output power and direction of voltage or current.
The electric energy interface module considers that different applications are oriented, different input and output interface structures are needed, multiple interface modes coexist, and different interfaces can be used according to different user requirements.
The energy storage module can realize the power balance of the distribution system and reduce the influence of the intermittent power fluctuation of the new energy power generation equipment on the power distribution network.
The monitoring and communication module feeds back the working state, the power quality and the environment of the equipment in time, detects the information such as the branch current, the port voltage and the like of each module, and transmits the information to the information processing and control module.
The intelligent control module is used for collecting state data of a main circuit of the electric energy router, the electric energy quality, the control system and other intelligent equipment, intelligently arranging and calculating intermediate data, and issuing a control command according to a coordination optimization target of the electric energy router system.
As shown in fig. 2, in an ac and dc common grid system, grid control and switching are realized by an electric energy router, the dc system includes a distributed energy storage device, a distributed energy dc grid, a dc load, and a dc bus, and the ac system includes a distributed energy storage device, a distributed energy ac grid, an ac load, and an ac bus. In the alternating current-direct current sharing system, an electric energy router device is required to realize the functions of control and switching, an energy internet is formed, and the innovation of the energy internet is to introduce the concept of the internet into an energy system in practical application.
Claims (6)
1. The utility model provides an electric energy router based on power electronic transformer which characterized in that: the electric energy router is formed by combining controllable electric physical equipment, an information system and a communication platform, and structurally comprises a power electronic solid-state module, an electric energy interface module, an energy storage module, a monitoring and communication module and an intelligent control module; the power electronic solid-state module is in bidirectional connection with the electric energy interface module, the energy storage module and the monitoring and communication module through electric energy; the monitoring and communication module is in information intercommunication with the intelligent control module, and the intelligent control module directly controls the energy storage module;
the energy storage module comprises a direct-current-input distributed energy storage device and an alternating-current-input distributed energy storage device, the direct-current-input distributed energy storage device is connected with the direct-current input interface, and the alternating-current-input distributed energy storage device is connected with the alternating-current input interface.
2. A power electronic transformer based power router as claimed in claim 1, wherein: the power electronic solid-state module comprises a power electronic converter, a high-frequency transformer, a filter, related firmware and an interface, and is used for controlling the amplitude, the phase, the frequency and the magnitude and the direction of input and output power of voltage or current.
3. A power electronic transformer based power router as claimed in claim 1, wherein: the electric energy interface module is provided with an input/output interface structure according to different power loads, and the power loads are divided into alternating current loads, direct current loads, distributed power supplies, micro-grid access and distributed energy storage equipment access.
4. A power electronic transformer based power router as claimed in claim 1, wherein: the energy storage module is used for power balance of the power distribution system.
5. A power electronic transformer based power router as claimed in claim 1, wherein: the monitoring and communication module is used for feeding back the measurement of the working state, the power quality and the environment of the equipment, detecting the branch current and the port voltage information of each module and transmitting the information to the information processing and control module.
6. A power electronic transformer based power router as claimed in claim 1, wherein: the intelligent control module is used for collecting, intelligently arranging and calculating intermediate data of the electric energy router main circuit, the electric energy quality, the control system and other intelligent equipment state data, and issuing a control command according to a coordination optimization target of the electric energy router system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922065594.5U CN211405604U (en) | 2019-11-26 | 2019-11-26 | Electric energy router based on power electronic transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922065594.5U CN211405604U (en) | 2019-11-26 | 2019-11-26 | Electric energy router based on power electronic transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211405604U true CN211405604U (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922065594.5U Active CN211405604U (en) | 2019-11-26 | 2019-11-26 | Electric energy router based on power electronic transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211405604U (en) |
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2019
- 2019-11-26 CN CN201922065594.5U patent/CN211405604U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211101 Address after: 210018 Building 5, No. 699-27, Xuanwu Avenue, Xuanwu District, Nanjing City, Jiangsu Province Patentee after: Jiangsu Ziquan comprehensive energy service Co.,Ltd. Address before: No. 311-1, Zhongshan East Road, Xuanwu District, Nanjing City, Jiangsu Province, 210000 Patentee before: Ziquan Energy Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |