Microgrid fragmented flexible load resource sensing regulation and control system

Abstract

The invention discloses a micro-grid fragmented flexible load resource sensing regulation and control system, which belongs to the technical field of power systems and comprises an energy management system, a regional new energy resource module, an intelligent power grid system, an energy analysis regulation and control system and a direct current charging system. The energy management system is connected with the regional new energy resource modules, the intelligent power grid system and the energy analysis regulation and control system, the intelligent power grid system is connected with the direct current charging system, and the multiple regional new energy resource modules are arranged; through the above mode, reasonable allocation of regional new energy resources in the micro-grid of large commerce and trade is realized, and the load scheduling function of the micro-grid in the power grid is improved at the same time.

Description

Technical Field

[0001] The present invention relates to the technical field of power systems, and in particular to a microgrid fragmented flexible load resource sensing and control system. Background Art

[0002] The microgrid fragmented flexible load resource perception and control system is a system that uses advanced technologies such as artificial intelligence, data analysis and the Internet of Things to monitor, perceive and regulate the fragmented flexible load resources within the microgrid in real time.

[0003] Considering that there are many new energy sources in the microgrid, the pressure of data collection and control strategy generation is relatively high. A master-slave structure of the microgrid EMS master station and multiple embedded microgrid EMSs is adopted for regional division of labor. At present, the electricity between regions needs to operate in an interdependent manner to improve the utilization efficiency of new energy.

[0004] Among many existing technologies, Chinese patent CN115586800B discloses an integrated energy management and control system, which includes one or more power generation subsystems, energy storage subsystems and load control subsystems arranged on the edge side, and each power generation subsystem includes corresponding: sensing devices, execution devices and edge controllers.

[0005] However, this patent application cannot solve the problem of power planning of DC charging piles to achieve load scheduling function of microgrid when the grid load is large or small.

[0006] Based on this, the present invention designs a microgrid fragmented flexible load resource perception and control system to solve the above problems. Summary of the invention

[0007] In view of the above-mentioned shortcomings of the prior art, the present invention provides a microgrid fragmented flexible load resource perception and control system.

[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions: A microgrid fragmented flexible load resource perception and control system, including an energy management system, a regional new energy resource module, a smart grid system, an energy analysis and control system, and a DC charging system. The energy management system is connected to the regional new energy resource module, the smart grid system, and the energy analysis and control system. The smart grid system is connected to the DC charging system. There are multiple groups of regional new energy resource modules. The energy management system is used to collect energy data and power generation data of the regional new energy resource module and send them to the energy analysis and control system; The energy analysis and control system is used to analyze the energy data of the regional new energy resource modules, calculate the electric energy difference of each group of regional new energy resource modules, and control the smart grid system to dispatch electric energy between regional new energy resource modules; At the same time, the energy analysis and control system calculates the power supply data of all regional new energy resource modules based on the power difference of each group of regional new energy resource modules and sends it to the energy management system, which then sends it to the smart grid system; The smart grid system is used for power dispatching between regional new energy resource modules and between regional new energy resource modules and DC charging systems. The smart grid system is also used to plan the charging power of the DC charging system according to the power allocated by the power grid and the supplied power. The smart grid system sends a power control signal to the energy management system to control the operation of the DC charging system, and the energy management system sends a power control signal to the DC charging system.

[0009] Furthermore, the energy management system includes a microgrid EMS master station and multiple groups of embedded microgrid EMSs, the microgrid EMS master station is connected to the embedded microgrid EMS, the embedded microgrid EMS is connected to the regional new energy resource module and the smart grid system, and the microgrid EMS master station is connected to the smart grid system, the energy analysis and control system, and the DC charging system.

[0010] Furthermore, the embedded microgrid EMS is used to collect energy data of regional new energy resource modules including load data and energy storage data, and predict power generation data, and send the energy data to the microgrid EMS master station; The microgrid EMS master station is used to send energy data to the energy analysis and control system. The microgrid EMS master station receives the power supply data sent by the energy analysis and control system, and the microgrid EMS master station sends the power supply data to the smart grid system.

[0011] Furthermore, the smart grid system includes a main DC switch cabinet, a branch DC switch cabinet, a smart grid and a charging power planning module. There are multiple branch DC switch cabinets, which are connected in parallel and then in series with the main DC switch cabinet. The branch DC switch cabinets are connected to the energy storage module and the embedded microgrid EMS, the main DC switch cabinet is connected to the smart grid and the DC charging system, and the smart grid is connected to the microgrid EMS master station and the charging power planning module. The smart grid is used to transmit electric energy to the main DC switch cabinet, and the smart grid sends electric energy allocation data to the charging power planning module; The charging power planning module receives the power supply data sent by the microgrid EMS master station. The charging power planning module is used to plan the output power of the charging pile according to the power allocation data and the power supply data, and generate a power control signal. The charging power planning module sends the power control signal to the microgrid EMS master station, and the microgrid EMS master station sends it to the DC charging system; The specific calculation formula for the power is: output power = (electricity allocation + electric energy supply) / number of charging piles.

[0012] Furthermore, the energy analysis and control system includes a regional energy analysis module, a power dispatching module and a regional energy supply calculation module, wherein the regional energy analysis module, the power dispatching module and the regional energy supply calculation module are all connected to the microgrid EMS master station, the regional energy analysis module is connected to the power dispatching module, and the power dispatching module is connected to the regional energy supply calculation module; The regional energy analysis module is used to calculate the electric energy difference between the regional load value and the regional power generation and regional energy storage capacity and send it to the power dispatching module; The regional energy supply calculation module is used to add all the electric energy differences and calculate the supplied electric energy. The regional energy supply calculation module sends the supplied electric energy data to the power dispatching module and sends it to the charging power planning module through the microgrid EMS master station; The power dispatching module is used to classify and mark the regional new energy resource modules according to the multiple groups of power difference data sent by the regional energy analysis module: the regional new energy resource modules with positive power difference are marked as power input, and the regional new energy resource modules with negative power difference are marked as power output.

[0013] Furthermore, the specific calculation formula of the electric energy difference is: electric energy difference = regional load value - (regional power generation + regional energy storage capacity).

[0014] Furthermore, the power dispatch module determines the positive and negative values ​​of the supplied power; If the result is a negative value, a regional dispatch signal is generated and sent to the microgrid EMS master station, which is sent to the embedded microgrid EMS connected to the regional new energy resource module for power output, and the embedded microgrid EMS is then sent to the regional new energy resource module; If the result is positive, a regional dispatch signal is generated and sent to the microgrid EMS master station, which sends it to the embedded microgrid EMS connected to the regional new energy resource module for power output, and the embedded microgrid EMS sends it to the regional new energy resource module. At the same time, the power dispatch module generates a grid supplement signal, which sends the grid supplement signal to the smart grid through the microgrid EMS master station. After receiving the grid supplement signal, the smart grid transports electric energy to the main DC switchgear, and the main DC switchgear transmits electric energy to the sub-DC switchgear connected to the regional new energy resource module that is still short of power after the receiving area is supplemented with electric energy.

[0015] Furthermore, the regional new energy resource module includes an energy storage module, a load module and a solar power generation module, the embedded microgrid EMS is connected to the energy storage module, the load module and the solar power generation module, and the DC switch cabinet is connected to the energy storage module, the load module and the solar power generation module.

[0016] Furthermore, the embedded microgrid EMS collects energy storage data of the energy storage module, the embedded microgrid EMS collects load data of the solar power generation module, and the embedded microgrid EMS predicts power generation data of the load module.

[0017] Furthermore, the DC charging system includes a charging pile control system and a DC charging pile, and the charging pile control system is connected to the DC charging pile, the microgrid EMS master station and the main DC switch cabinet; the microgrid EMS master station sends a power control signal to the charging pile control system, and the charging pile control system controls the output power of the DC charging pile according to the power control signal.

[0018] The present invention has the following technical effects: When the present invention is used, the energy data of the regional new energy resource module is collected by the energy management system and sent to the energy analysis and control system, the energy data of the regional new energy resource module is processed and analyzed by the energy analysis and control system, and the energy analysis and control system controls the smart grid system to dispatch electric energy between the regional new energy resource module and between the regional new energy resource module and the DC charging system; the charging power of the DC charging system is planned according to the electric energy allocated by the power grid and the supplied electric energy through the smart grid system, thereby realizing efficient dispatch of electric energy between the regional new energy resource module and the regional new energy resource module, and at the same time, the output power of the DC charging system is planned to realize the load dispatch function of the microgrid. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 The frame of the microgrid fragmented flexible load resource sensing and control system of the present invention is Figure 1 ; Figure 2 The frame of the microgrid fragmented flexible load resource sensing and control system of the present invention is Figure 2 .

[0021] The numbers in the figure represent: 1. Energy management system 11. Microgrid EMS master station 12. Embedded microgrid EMS 2. Regional new energy resource module 21. Energy storage module 22. Load module 23. Solar power generation module 3. Smart grid system 31. Main DC switchgear 32. Branch DC switchgear 33. Smart grid 34. Charging power planning module 4. Energy analysis and control system 41. Regional energy analysis module 42. Power dispatching module 43. Regional energy supply calculation module 5. DC charging system 51. Charging pile control system 52. DC charging pile. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] The present invention will be further described below in conjunction with the embodiments.

[0024] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0025] Example 1

[0026] Please refer to the instruction manual Figure 1-2, a microgrid fragmented flexible load resource sensing and control system, including an energy management system 1, a regional new energy resource module 2, a smart grid system 3, an energy analysis and control system 4 and a DC charging system 5, wherein the energy management system 1 is connected to the regional new energy resource module 2, the smart grid system 3 and the energy analysis and control system 4, the smart grid system 3 is connected to the DC charging system 5, and the regional new energy resource module 2 has multiple groups; The energy management system 1 is used to collect energy data and power generation data of the regional new energy resource module 2 and send them to the energy analysis and control system 4; The energy analysis and control system 4 is used to analyze the energy data of the regional new energy resource modules 2, calculate the electric energy difference of each group of regional new energy resource modules 2, and control the smart grid system 3 to perform electric energy dispatch between the regional new energy resource modules 2 and the regional new energy resource modules 2; At the same time, the energy analysis and control system 4 calculates the power supply data of all regional new energy resource modules 2 according to the power difference of each group of regional new energy resource modules 2 and sends it to the energy management system 1, and the energy management system 1 sends it to the smart grid system 3; The smart grid system 3 is used for power dispatching between regional new energy resource modules 2 and regional new energy resource modules 2, and between regional new energy resource modules 2 and DC charging system 5. The smart grid system 3 is also used to plan the charging power of the DC charging system 5 according to the power allocated by the power grid and the supplied power. The smart grid system 3 sends a power control signal to the energy management system 1 to control the operation of the DC charging system 5, and the energy management system 1 sends a power control signal to the DC charging system 5.

[0027] When the present invention is used, the energy management system 1 collects the energy data of the regional new energy resource module 2 and sends it to the energy analysis and control system 4, the energy analysis and control system 4 processes and analyzes the energy data of the regional new energy resource module 2, and the energy analysis and control system 4 controls the smart grid system 3 to dispatch electric energy between the regional new energy resource module 2 and between the regional new energy resource module 2 and the DC charging system 5; the smart grid system 3 plans the charging power of the DC charging system 5 according to the electric energy allocated by the power grid and the supplied electric energy. Thus, efficient dispatch of electric energy between the regional new energy resource module 2 and the regional new energy resource module 2 is realized, and at the same time, the output power of the DC charging system 5 is planned to realize the load dispatching function of the microgrid.

[0028] Example 2

[0029] like Figure 1-2As shown, as a preferred embodiment of the present invention, the energy management system 1 includes a microgrid EMS master station 11 and multiple groups of embedded microgrid EMS 12, the microgrid EMS master station 11 is connected to the embedded microgrid EMS 12, the embedded microgrid EMS 12 is connected to the regional new energy resource module 2 and the smart grid system 3, the microgrid EMS master station 11 is connected to the smart grid system 3, the energy analysis and control system 4 and the DC charging system 5; The embedded microgrid EMS 12 is used to collect the load and energy storage data of the regional new energy resource module 2, predict the power generation data, and send the energy data to the microgrid EMS master station 11; The microgrid EMS master station 11 is used to send energy data to the energy analysis and control system 4. The microgrid EMS master station 11 receives the power supply data sent by the energy analysis and control system 4. The microgrid EMS master station 11 sends the power supply data to the smart grid system 3. The smart grid system 3 includes a main DC switch cabinet 31, a branch DC switch cabinet 32, a smart grid 33 and a charging power planning module 34. There are multiple branch DC switch cabinets 32. The branch DC switch cabinets 32 are connected in parallel and then in series with the main DC switch cabinet 31. The branch DC switch cabinets 32 are connected to the energy storage module 21 and the embedded microgrid EMS 12. The main DC switch cabinet 31 is connected to the smart grid 33 and the DC charging system 5. The smart grid 33 is connected to the microgrid EMS master station 11 and the charging power planning module 34.

[0030] The smart grid 33 is used to transmit electric energy to the main DC switch cabinet 31, and the smart grid 33 sends electric energy allocation data to the charging power planning module 34; The charging power planning module 34 receives the power supply data sent by the microgrid EMS master station 11. The charging power planning module 34 is used to plan the output power of the charging pile according to the power allocation data and the power supply data, and generate a power control signal. The charging power planning module 34 sends the power control signal to the microgrid EMS master station 11, and the microgrid EMS master station 11 sends it to the DC charging system 5; The specific power calculation formula is: output power = (power allocation + power supply) / number of charging piles.

[0031] The energy analysis and control system 4 includes a regional energy analysis module 41, a power dispatching module 42 and a regional energy supply calculation module 43. The regional energy analysis module 41, the power dispatching module 42 and the regional energy supply calculation module 43 are all connected to the microgrid EMS master station 11. The regional energy analysis module 41 is connected to the power dispatching module 42, and the power dispatching module 42 is connected to the regional energy supply calculation module 43. The regional energy analysis module 41 is used to calculate the power difference between the regional load value and the regional power generation and regional energy storage capacity and send it to the power dispatching module 42; The specific calculation formula of electric energy difference is: electric energy difference = regional load value - regional power generation + regional energy storage capacity.

[0032] The regional energy supply calculation module 43 is used to add up all the electric energy differences and calculate the supplied electric energy. The regional energy supply calculation module 43 sends the supplied electric energy data to the power dispatching module 42 and sends it to the charging power planning module 34 through the microgrid EMS master station 11.

[0033] The power dispatching module 42 is used to classify and mark the regional new energy resource modules 2 according to the multiple groups of power difference data sent by the regional energy analysis module 41: the regional new energy resource modules 2 with positive power difference values ​​are marked as power input, and the regional new energy resource modules 2 with negative power difference values ​​are marked as power output; The power dispatch module 42 determines the positive and negative values ​​of the supplied power; If the result is a negative value, a regional dispatch signal is generated and sent to the microgrid EMS master station 11, which is sent to the embedded microgrid EMS 12 connected to the regional new energy resource module 2 for power output, and the embedded microgrid EMS 12 is then sent to the regional new energy resource module 2; If the result is a positive value, a regional dispatch signal is generated and sent to the microgrid EMS master station 11, and the microgrid EMS master station 11 sends it to the embedded microgrid EMS 12 connected to the regional new energy resource module 2 for power output, and the embedded microgrid EMS 12 sends it to the regional new energy resource module 2; at the same time, the power dispatch module 42 generates a grid supplement signal, and the power dispatch module 42 sends the grid supplement signal to the smart grid 33 through the microgrid EMS master station 11. After receiving the grid supplement signal, the smart grid 33 transports electric energy to the main DC switch cabinet 31, and the main DC switch cabinet 31 transmits electric energy to the sub-DC switch cabinet 32 ​​connected to the regional new energy resource module 2 that is still short of power after the receiving area is supplemented with electric energy.

[0034] The DC charging system 5 includes a charging pile control system 51 and a DC charging pile 52. The charging pile control system 51 is connected to the DC charging pile 52, the microgrid EMS master station 11 and the main DC switch cabinet 31. The microgrid EMS master station 11 sends a power control signal to the charging pile control system 51, and the charging pile control system 51 controls the output power of the DC charging pile 52 according to the power control signal.

[0035] Thereby, the load dispatching function of the microgrid is realized by planning the output power of the DC charging system 5 .

[0036] Example 3

[0037] like Figure 1-2As shown, as a preferred embodiment of the present invention, the regional new energy resource module 2 includes an energy storage module 21, a load module 22 and a solar power generation module 23, the embedded microgrid EMS12 is connected to the energy storage module 21, the load module 22, and the solar power generation module 23, and the DC switch cabinet 32 ​​is connected to the energy storage module 21, the load module 22, and the solar power generation module 23; The embedded microgrid EMS12 collects energy storage data of the energy storage module 21 , the embedded microgrid EMS12 collects load data of the solar power generation module 23 , and the embedded microgrid EMS12 predicts power generation data of the load module 22 .

[0038] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. Microgrid fragmented flexible load resource perception and control system, characterized by: The system comprises an energy management system (1), a regional new energy resource module (2), a smart grid system (3), an energy analysis and control system (4) and a DC charging system (5), wherein the energy management system (1) is connected to the regional new energy resource module (2), the smart grid system (3) and the energy analysis and control system (4), the smart grid system (3) is connected to the DC charging system (5), and the regional new energy resource module (2) has a plurality of groups; The energy management system (1) is used to collect energy data and power generation data of the regional new energy resource module (2) from the regional new energy resource module (2) and send them to the energy analysis and control system (4); The energy analysis and control system (4) is used to analyze the energy data of the regional new energy resource modules (2); the energy analysis and control system (4) calculates the electric energy difference of each group of regional new energy resource modules (2), and controls the smart grid system (3) to perform electric energy dispatch between the regional new energy resource modules (2) and the regional new energy resource modules (2); At the same time, the energy analysis and control system (4) calculates the power supply data of all regional new energy resource modules (2) according to the power difference of each group of regional new energy resource modules (2) and sends it to the energy management system (1), and the energy management system (1) sends it to the smart grid system (3); The smart grid system (3) is used for power dispatch between regional new energy resource modules (2) and between regional new energy resource modules (2) and a DC charging system (5). The smart grid system (3) is also used for planning the charging power of the DC charging system (5) according to the power allocated by the power grid and the supplied power. The smart grid system (3) sends a power control signal for controlling the operation of the DC charging system (5) to the energy management system (1), and the energy management system (1) sends a power control signal to the DC charging system (5).

2. The microgrid fragmented flexible load resource sensing and control system according to claim 1 is characterized in that: The energy management system (1) comprises a microgrid EMS master station (11) and a plurality of embedded microgrid EMSs (12); the microgrid EMS master station (11) is connected to the embedded microgrid EMSs (12); the embedded microgrid EMSs (12) are connected to a regional new energy resource module (2) and a smart grid system (3); the microgrid EMS master station (11) is connected to the smart grid system (3), an energy analysis and control system (4), and a DC charging system (5).

3. The microgrid fragmented flexible load resource sensing and control system according to claim 2 is characterized in that: The embedded microgrid EMS (12) is used to collect energy data of the regional new energy resource module (2), including load data and energy storage data, and predict power generation data, and send the energy data to the microgrid EMS master station (11); The microgrid EMS master station (11) is used to send energy data to the energy analysis and control system (4); the microgrid EMS master station (11) receives the power supply data sent by the energy analysis and control system (4); and the microgrid EMS master station (11) sends the power supply data to the smart grid system (3).

4. The microgrid fragmented flexible load resource sensing and control system according to claim 3 is characterized in that: The smart grid system (3) comprises a main DC switch cabinet (31), a branch DC switch cabinet (32), a smart grid (33) and a charging power planning module (34); there are a plurality of branch DC switch cabinets (32); the branch DC switch cabinets (32) are connected in parallel and then in series with the main DC switch cabinet (31); the branch DC switch cabinets (32) are connected to an energy storage module (21) and an embedded microgrid EMS (12); the main DC switch cabinet (31) is connected to the smart grid (33) and a DC charging system (5); and the smart grid (33) is connected to a microgrid EMS master station (11) and a charging power planning module (34); The smart grid (33) is used to transmit electric energy to the main DC switch cabinet (31), and the smart grid (33) sends electric energy distribution data to the charging power planning module (34); The charging power planning module (34) receives the power supply data sent by the microgrid EMS master station (11), and the charging power planning module (34) is used to plan the output power of the charging pile according to the power distribution data and the power supply data, and generate a power control signal. The charging power planning module (34) sends the power control signal to the microgrid EMS master station (11), and the microgrid EMS master station (11) sends it to the DC charging system (5); The specific calculation formula for the power is: output power = (electricity allocation + electric energy supply) / number of charging piles.

5. The microgrid fragmented flexible load resource sensing and control system according to claim 4 is characterized in that: The energy analysis and control system (4) comprises a regional energy analysis module (41), a power dispatching module (42) and a regional energy supply calculation module (43); the regional energy analysis module (41), the power dispatching module (42) and the regional energy supply calculation module (43) are all connected to the microgrid EMS master station (11); the regional energy analysis module (41) is connected to the power dispatching module (42); and the power dispatching module (42) is connected to the regional energy supply calculation module (43); The regional energy analysis module (41) is used to calculate the electric energy difference between the regional load value and the regional power generation and the regional energy storage capacity and send it to the power dispatching module (42); The regional energy supply calculation module (43) is used to add all electric energy differences and calculate the supplied electric energy. The regional energy supply calculation module (43) sends the supplied electric energy data to the power dispatching module (42), and sends it to the charging power planning module (34) through the microgrid EMS master station (11); The power dispatching module (42) is used to classify and mark the regional new energy resource modules (2) according to the multiple groups of electric energy difference data sent by the regional energy analysis module (41): the regional new energy resource modules (2) with positive electric energy difference values ​​are marked as electric energy input, and the regional new energy resource modules (2) with negative electric energy difference values ​​are marked as electric energy output.

6. The microgrid fragmented flexible load resource sensing and control system according to claim 5 is characterized in that: The specific calculation formula of the electric energy difference is: electric energy difference = regional load value - (regional power generation + regional energy storage capacity).

7. The microgrid fragmented flexible load resource sensing and control system according to claim 6 is characterized in that: The power dispatching module (42) determines the positive and negative values ​​of the supplied electric energy; If the result is a negative value, a regional dispatch signal is generated and sent to the microgrid EMS master station (11), the microgrid EMS master station (11) sends it to the embedded microgrid EMS (12) connected to the regional new energy resource module (2) for power output, and the embedded microgrid EMS (12) sends it to the regional new energy resource module (2); If the result is a positive value, a regional dispatch signal is generated and sent to the microgrid EMS master station (11), the microgrid EMS master station (11) sends it to the embedded microgrid EMS (12) connected to the regional new energy resource module (2) for power output, and the embedded microgrid EMS (12) sends it to the regional new energy resource module (2); at the same time, the power dispatch module (42) generates a power grid supplement signal, the power dispatch module (42) sends the power grid supplement signal to the smart grid (33) through the microgrid EMS master station (11), and after receiving the power grid supplement signal, the smart grid (33) transmits power to the main DC switch cabinet (31), and the main DC switch cabinet (31) transmits power to the branch DC switch cabinet (32) connected to the regional new energy resource module (2) that is still short of power after the receiving area power is supplemented.

8. The microgrid fragmented flexible load resource sensing and control system according to claim 7 is characterized in that: The regional new energy resource module (2) comprises an energy storage module (21), a load module (22) and a solar power generation module (23); the embedded microgrid EMS (12) is connected to the energy storage module (21), the load module (22) and the solar power generation module (23); and the DC switch cabinet (32) is connected to the energy storage module (21), the load module (22) and the solar power generation module (23).

9. The microgrid fragmented flexible load resource sensing and control system according to claim 8, characterized in that: The embedded microgrid EMS (12) collects energy storage data of the energy storage module (21), the embedded microgrid EMS (12) collects load data of the solar power generation module (23), and the embedded microgrid EMS (12) predicts power generation data of the load module (22).

10. The microgrid fragmented flexible load resource sensing and control system according to claim 9, characterized in that: The DC charging system (5) comprises a charging pile control system (51) and a DC charging pile (52); the charging pile control system (51) is connected to the DC charging pile (52), a microgrid EMS master station (11) and a main DC switch cabinet (31); the microgrid EMS master station (11) sends a power control signal to the charging pile control system (51), and the charging pile control system (51) controls the output power of the DC charging pile (52) according to the power control signal.

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