Multi-energy complementary micro-grid regulation and control device

Abstract

The utility model discloses a multi-energy complementary micro-grid regulation and control device, which comprises a cloud platform, a data acquisition and wireless network transmission module DTU, a local controller, a plurality of energy power generation systems, a power grid, incoming line loops respectively arranged on the energy systems and access devices arranged on the incoming line loop of the power grid, the cloud platform is in communication connection with the data acquisition and wireless network transmission module DTU; the data acquisition and wireless network transmission module DTU is in communication connection with the local controller; and the local controller is respectively connected with each access device, and is respectively in communication connection with the photovoltaic system, the wind power system and the energy storage system. According to the utility model, energy generated by each unit can be efficiently utilized, energy consumption of a power grid is saved to the greatest extent, normal supply of electric energy is ensured, the utilization rate of green energy is improved, and the problem that the total amount of various energy is continuously increased but complementary switching operation cannot be effectively coordinated is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of multi-energy complementary intelligent control, in particular to a multi-energy complementary microgrid control device. Background Art

[0002] Currently, with the continued consumption of traditional non-renewable energy sources, which is facing depletion and environmental pollution, new energy has developed rapidly in recent years. The general trend is to use more green energy through multi-energy complementarity. However, as the total amount of multiple energy sources continues to increase, it is difficult to effectively coordinate and control the complementary operation of various energy sources. Utility Model Content

[0003] The main purpose of the utility model is to propose a multi-energy complementary microgrid control device, which aims to solve the problem that the total amount of multiple energy sources continues to increase but the complementary switching operation cannot be effectively coordinated.

[0004] To achieve the above objectives, the present invention provides a multi-energy complementary microgrid control device, comprising:

[0005] A cloud platform, a data acquisition and wireless network transmission module, a local controller, multiple energy generation systems, a power grid, and access devices installed on the incoming line loops of each energy system and the incoming line loops of the power grid;

[0006] The cloud platform is in communication with the data acquisition and wireless network transmission module;

[0007] The data acquisition and wireless network transmission module is in communication with the local controller;

[0008] The local controller is connected to each of the path devices respectively, and is respectively communicatively connected with the photovoltaic system, the wind power system, and the energy storage system.

[0009] Further, optionally,

[0010] The multiple energy generation systems include at least a photovoltaic system and a wind power system;

[0011] The circuit breaker includes a first circuit breaker, a second circuit breaker and a third circuit breaker;

[0012] The first circuit breaker is installed on the incoming line circuit of the power grid;

[0013] The second circuit breaker is installed on the incoming line circuit of the photovoltaic system;

[0014] The third circuit breaker is installed on the incoming line circuit of the wind power system.

[0015] Further, optionally,

[0016] The device also includes an energy storage system and a fourth circuit breaker;

[0017] The fourth circuit breaker is installed on the incoming line circuit of the energy storage system.

[0018] Further, optionally,

[0019] The device further includes a fifth path device, which is installed on the main incoming line loops corresponding to the photovoltaic system, the wind power system, and the energy storage system.

[0020] Further, optionally, the local controller is used to read the real-time power generation and real-time operating status of the photovoltaic system, the wind power system and the energy storage system respectively to obtain system data.

[0021] Further, optionally, the data acquisition and wireless network transmission module is used to collect the system data read by the local controller, and upload the system data to the cloud platform through the Internet of Things card and UDP protocol.

[0022] Furthermore, optionally, the data acquisition and wireless network transmission module is installed in a local control cabinet.

[0023] Furthermore, optionally, the cloud platform is used to establish an algorithm model for device data and store the system data, and use the algorithm model to analyze the system data through a deep learning method to obtain operating rule information of each system.

[0024] Furthermore, optionally, the cloud platform is also used to regulate the switching status of each system through the local controller according to weather forecast information and operating rule information of each system.

[0025] Further, optionally, the local controller is used to control the first circuit breaker, the second circuit breaker, the third circuit breaker, the fourth circuit breaker, and the fifth circuit breaker according to the control instructions issued by the cloud platform through the data acquisition and wireless network transmission module to complete the switching control of each system.

[0026] The multi-energy complementary microgrid control device provided by the present invention includes a cloud platform, a data acquisition and wireless network transmission module, a local controller, a first circuit breaker, a second circuit breaker, a third circuit breaker, a fourth circuit breaker, and a fifth circuit breaker. The data acquisition and wireless network transmission module establishes a communication connection with the cloud platform; the local controller establishes a communication connection with the data acquisition and wireless network transmission module; the first circuit breaker, the second circuit breaker, the third circuit breaker, the fourth circuit breaker, and the fifth circuit breaker are connected to the local controller; and the first circuit breaker, the second circuit breaker, the third circuit breaker, the fourth circuit breaker, and the fifth circuit breaker are installed on the incoming line circuit of each system. Through this design, the present invention can collect and monitor the operating data of each system, and conduct deep learning, prediction, and control of the data. At the same time, based on weather forecast information, it can timely predict and control the switching status of each system, thereby solving the problem that the total amount of existing multiple energy sources is constantly increasing but cannot effectively coordinate the complementary switching operation. In addition, the present invention can also more efficiently and reliably predict abnormalities, timely alarm reminders, and ensure energy conservation and safety.

[0027] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and to implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A schematic structural diagram of a multi-energy complementary microgrid control device provided by an embodiment of the present utility model;

[0029] Figure 2 A schematic diagram of the control flow of another multi-energy complementary microgrid control device provided in an embodiment of the present utility model.

[0030] In the picture:

[0031] 1. Cloud platform; 2. Data acquisition and wireless network transmission module; 3. Local controller; 4. First circuit breaker; 5. Second circuit breaker; 6. Third circuit breaker; 7. Fourth circuit breaker; 8. Fifth circuit breaker; 9. Photovoltaic system; 10. Wind power system; 11. Energy storage system; 12. Power grid.

[0032] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0033] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0034] The terms used in the embodiments of the present invention are for the purpose of describing specific embodiments only and are not intended to limit the present invention. The singular forms "a," "the," and "the" used in the embodiments of the present invention and the appended claims are also intended to include plural forms, unless the context clearly indicates otherwise. "A plurality" generally includes at least two, but does not exclude the inclusion of at least one.

[0035] It should be understood that the term "and / or" as used herein is merely a description of the relationship between associated objects, indicating that three possible relationships exist. For example, "A and / or B" can represent: A exists alone, A and B exist simultaneously, or B exists alone. Furthermore, the character " / " in this document generally indicates that the associated objects are in an "or" relationship.

[0036] It should also be noted that the terms "include," "comprises," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a product or system comprising a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such product or system. In the absence of further limitations, an element defined by the phrase "comprises a..." does not exclude the presence of other identical elements in the product or system comprising the element.

[0037] The following combination Figure 1 and Figure 2 The apparatus according to some embodiments of the present invention is described.

[0038] One embodiment of the present invention proposes a multi-energy complementary microgrid control device, such as Figure 1 As shown, it includes a cloud platform 1, a data acquisition and wireless network transmission module 2, a local controller 3, multiple energy generation systems, a power grid 12, and access devices installed on the incoming line loop of each energy system and the incoming line loop of the power grid 12; the cloud platform 1 is communicated with the data acquisition and wireless network transmission module 2; the data acquisition and wireless network transmission module 2 is communicated with the local controller 3; the local controller 3 is connected to each access device respectively, and is communicated with the photovoltaic system 9, the wind power system 10, and the energy storage system 11 respectively.

[0039] In the above embodiment, multiple energy generation systems capable of generating electricity are provided. Each energy generation system and the incoming line circuit of the power grid are connected to a commutator. A commutator is a switching device capable of closing, carrying, and interrupting current under normal circuit conditions, and closing, carrying, and interrupting current under abnormal circuit conditions within a specified time. In this embodiment, it can be used to control the on / off state of the incoming line circuit, thereby controlling whether the corresponding energy system generates electricity for the power grid. The data acquisition and wireless network transmission module 2 is communicatively connected to the cloud platform 1 and the local controller 3, respectively, to upload collected data to the cloud platform 1 and transmit control instructions issued by the cloud platform 1 to the local controller 3, so that the local controller 3 controls the commutator according to the control instructions. The communication connection can be a wired connection, such as an Ethernet connection or a fiber optic connection, or a wireless connection, such as a Wi-Fi connection or a Bluetooth connection. In specific application scenarios, the data acquisition and wireless network transmission module 2 includes a data transfer unit (DTU), which can collect operating data from each energy generation system and upload it to the cloud platform 1 via wireless transmission. Cloud platform 1 is a virtualized, centralized management platform for computing and storage resources based on cloud computing technology. In practical applications, cloud platform 1 can be implemented in a variety of ways, including public and private clouds. In this embodiment, cloud platform 1 analyzes the operating data of various systems and controls the startup and shutdown of energy generation systems. Specifically, the local controller 3 can control the operating status of the access device, which in turn controls the connected energy generation systems, achieving effective coordinated and complementary switching of multiple energy sources.

[0040] In one embodiment of the present invention, preferably, Figure 1 As shown, multiple energy power generation systems include at least a photovoltaic system 9 and a wind power system 10; the circuit breaker includes a first circuit breaker 4, a second circuit breaker 5 and a third circuit breaker 6; the first circuit breaker 4 is installed on the incoming line circuit of the power grid 12; the second circuit breaker 5 is installed on the incoming line circuit of the photovoltaic system 9; and the third circuit breaker 6 is installed on the incoming line circuit of the wind power system 10.

[0041] In the above embodiment, each circuit is equipped with a circuit breaker, which controls the on / off state of each circuit, thereby controlling whether each system is operational. For example, when photovoltaic system 9 is at its peak power generation period, the circuit breaker for photovoltaic system 9 is closed first, enabling photovoltaic system 9 to be operational. When wind power system 10 is at its peak power generation period, the circuit breaker for wind power system 10 is closed first, enabling wind power system 10 to be operational. This design achieves coordinated and complementary solar and wind power generation.

[0042] Furthermore, the energy generation system may also include a hydroelectric power generation system, and a circuit breaker is also installed in the incoming line circuit. The hydroelectric power generation system is connected in the same manner as other systems to achieve coordinated and complementary solar power generation, wind power generation, and hydropower generation. The energy generation system may also include other types of power generation systems. Since the principles and connection methods are the same, they will not be described in detail here.

[0043] In one embodiment of the present invention, preferably, Figure 1 As shown, the device further includes an energy storage system 11 and a fourth circuit breaker 7 ; the fourth circuit breaker 7 is installed on the incoming line circuit of the energy storage system 11 .

[0044] In the above embodiment, the device also includes an energy storage system 11, primarily composed of energy storage batteries, a power converter, and a control system. This system can regulate system loads through charging and discharging, thereby improving the stability, reliability, and economy of the entire power system. Accordingly, a fourth circuit breaker 7, provided on its incoming line, is used to control the on / off state of the incoming line of the energy storage system 11. For example, when the photovoltaic system 9 and the wind power system 10 output surplus electric energy and cannot be fully absorbed, the fourth circuit breaker 7 of the energy storage system 11 circuit is closed to store the excess electric energy. When the power generation of the photovoltaic system 9 and the wind power system 10 cannot meet the demand, the photovoltaic system 9 and the wind power system 10 are cut off, and the electric energy in the energy storage system 11 is released to supply energy; when the energy supply of the photovoltaic system 9, the wind power system 10 and the energy storage system 11 is insufficient, the second circuit breaker 5, the third circuit breaker 6 and the fourth circuit breaker 7 set in the incoming circuit of the photovoltaic system 9, the wind power system 10 and the energy storage system 11 are disconnected, and the first circuit breaker 4 of the incoming circuit of the power grid 12 is closed, and the power grid 12 supplies energy as an emergency power supply.

[0045] In one embodiment of the present invention, preferably, Figure 1 As shown, the device further includes a fifth path device 8 , which is installed on the main incoming line loop corresponding to the photovoltaic system 9 , the wind power system 10 and the energy storage system 11 .

[0046] In the above embodiment, a fifth circuit breaker 8 is provided on the main incoming line circuit corresponding to the photovoltaic system 9, the wind power system 10, and the energy storage system 11. By adjusting the fifth circuit breaker 8, the photovoltaic system 9, the wind power system 10, and the energy storage system 11 can be controlled simultaneously. For example, in the above application scenario, when the photovoltaic system 9, the wind power system 10, and the energy storage system 11 are all insufficiently supplied with energy, the second circuit breaker 5, the third circuit breaker 6, and the fourth circuit breaker 7 provided for the incoming line circuit of the photovoltaic system 9, the wind power system 10, and the energy storage system 11 may not be disconnected. Instead, the main incoming line circuit may be directly disconnected through the fifth circuit breaker 8, so that the photovoltaic system 9, the wind power system 10, and the energy storage system 11 are all disconnected and no longer provide electrical energy.

[0047] In one embodiment of the present invention, preferably, the local controller 3 is used to read the real-time power generation and real-time operating status of the photovoltaic system 9, the wind power system 10 and the energy storage system 11 respectively to obtain system data.

[0048] In the above embodiment, the local controller 3 communicates directly with the photovoltaic system 9 and the wind power system 10 to collect system data of each system, mainly including real-time power generation and operating status, and is simultaneously connected to each circuit breaker to control the on and off of each circuit breaker.

[0049] In one embodiment of the present invention, preferably, the data acquisition and wireless network transmission module 2 is used to acquire system data read by the local controller 3 and upload the system data to the cloud platform 1 through the Internet of Things card and the UDP protocol.

[0050] In the above embodiment, the data acquisition and wireless network transmission module 2 is connected to the local controller 3 to collect the aforementioned power generation and operating status and upload them to the cloud platform 1. Furthermore, the data acquisition and wireless network transmission module 2 can also collect local user data, including user power consumption, voltage, current, and other data, and upload them to the cloud platform 1. After collecting system data and user power consumption, voltage, current, and other data, this data is wirelessly transmitted to the cloud platform 1 via an IoT card and the UDP protocol.

[0051] In one embodiment of the present invention, preferably, the data acquisition and wireless network transmission module 2 is installed in a local control cabinet.

[0052] In the above embodiment, data acquisition and wireless network transmission module 2 is installed in a secure local control cabinet and is used to connect to local controller 3 to collect relevant data. The local control cabinet is connected to the cloud database of cloud platform 1, and a communication connection is established between the local control cabinet and cloud platform 1 through data acquisition and wireless network transmission module 2.

[0053] In one embodiment of the present invention, preferably, the cloud platform 1 is used to establish an algorithm model for device data and store system data, and use the algorithm model to analyze the system data through a deep learning method to obtain operating law information of each system.

[0054] In the above embodiment, cloud platform 1 builds an algorithmic model for device data and connects to data acquisition and wireless network transmission module 2 to store operational data, conduct in-depth learning and analysis of the usage patterns of each system, and issue timely warnings when anomalies occur. It also monitors the energy production of each system and implements multi-energy complementary coordinated control based on real-time data collected.

[0055] In one embodiment of the present invention, preferably, the main cloud platform 1 is also used to regulate the switching status of each system through the local controller 3 according to weather forecast information and operating rule information of each system.

[0056] In the above embodiment, in addition to system operating information, cloud platform 1 also references weather forecast information during control. Combining the weather forecast with the operating patterns of each system, it generates predictions and controls the opening and closing of each circuit breaker based on the prediction results, thereby controlling the switching status of each system. This is because if circuit breaker closing is controlled solely based on the system's current operating data, timely switching of each system may not be achieved. For example, if there is no weather forecast and the temperature drops significantly tomorrow, the power of the electric boiler must be increased because heating takes time and cannot be increased immediately. Therefore, it is necessary to control each system to provide more power in advance to meet functional requirements.

[0057] like Figure 2 As shown, the present application provides a multi-energy complementary microgrid control device based on big data complex logic association artificial intelligence prediction algorithm, which is based on the deep integration of cloud platform 1 and automation system, and targets the actual energy consumption background, fully relies on information communication and big data technology, and uses data analysis tools in an integrated manner. It utilizes the interaction and feedback of big data, information communication and automation systems to mine more useful information from the data, improve the management, utilization and analysis capabilities of energy, improve the safety of use, improve the energy utilization rate of each system, and reduce energy waste.

[0058] In one embodiment of the present invention, preferably, the local controller 3 is used to control the first circuit breaker 4, the second circuit breaker 5, the third circuit breaker 6, the fourth circuit breaker 7, and the fifth circuit breaker 8 according to the control instructions issued by the cloud platform 1 through the data acquisition and wireless network transmission module 2 to complete the switching control of each system.

[0059] In the above embodiment, the circuit breakers are controlled by local controller 3, installed on the incoming line circuits of each system, and serve as the switching actuators for each system. After prediction, cloud platform 1 sends control instructions to data acquisition and wireless network transmission module 2, which then transmits them to local controller 3. Local controller 3 then controls the opening and closing of each circuit breaker based on the received control instructions, thus completing the switching control of each system.

[0060] The multi-energy complementary microgrid control device provided by the present invention includes a cloud platform 1, a data acquisition and wireless network transmission module 2, a local controller 3, a first circuit breaker 4, a second circuit breaker 5, a third circuit breaker 6, a fourth circuit breaker 7, and a fifth circuit breaker 8, wherein the data acquisition and wireless network transmission module 2 establishes a communication connection with the cloud platform 1; the local controller 3 establishes a communication connection with the data acquisition and wireless network transmission module 2; the local controller 3 is connected to the first circuit breaker 4, the second circuit breaker 5, the third circuit breaker 6, the fourth circuit breaker 7, and the fifth circuit breaker 8; and the first circuit breaker 4, the second circuit breaker 5, the third circuit breaker 6, the fourth circuit breaker 7, and the fifth circuit breaker 8 are installed on the incoming line circuit of each system. Through such a design, the present invention can collect and monitor the operating data of each system, and conduct deep learning, prediction, and control of the data. At the same time, according to weather forecast information, it can timely predict and control the switching status of each system to solve the problem that the total amount of existing multiple energy sources continues to increase but cannot effectively coordinate the complementary switching operation. In addition, the present invention can also more efficiently and reliably predict abnormalities, issue alarms in a timely manner, and ensure energy conservation and safety.

[0061] The above are only preferred embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A multi-energy complementary microgrid control device, characterized in that: The device comprises: A cloud platform (1), a data acquisition and wireless network transmission module (2), a local controller (3), a plurality of energy generation systems, a power grid (12), and access devices respectively installed on the incoming line loop of each energy system and the incoming line loop of the power grid (12); The cloud platform (1) is communicatively connected to the data acquisition and wireless network transmission module (2); The data acquisition and wireless network transmission module (2) is in communication connection with the local controller (3); The local controller (3) is connected to each of the path devices, and is respectively connected to communicate with the photovoltaic system (9), the wind power system (10), and the energy storage system (11).

2. The device according to claim 1, characterized in that The multiple energy generation systems include at least a photovoltaic system (9) and a wind power system (10); The circuit breaker includes a first circuit breaker (4), a second circuit breaker (5) and a third circuit breaker (6); The first circuit breaker (4) is installed on the incoming line circuit of the power grid (12); The second circuit breaker (5) is installed on the incoming line circuit of the photovoltaic system (9); The third circuit breaker (6) is installed on the incoming line circuit of the wind power system (10).

3. The device according to claim 2, characterized in that The device also includes an energy storage system (11) and a fourth circuit breaker (7); The fourth circuit breaker (7) is installed on the incoming line circuit of the energy storage system (11).

4. The device according to claim 3, characterized in that The device further comprises a fifth path device (8), which is installed on the main incoming line loop corresponding to the photovoltaic system (9), the wind power system (10) and the energy storage system (11).

5. The device according to claim 4, characterized in that The local controller (3) is used to read the real-time power generation and real-time operating status of the photovoltaic system (9), the wind power system (10) and the energy storage system (11) respectively to obtain system data.

6. The device according to claim 5, characterized in that The data acquisition and wireless network transmission module (2) is used to acquire the system data read by the local controller (3), and upload the system data to the cloud platform (1) via an Internet of Things card and a UDP protocol.

7. The device according to claim 1, characterized in that The data acquisition and wireless network transmission module (2) is installed in a local control cabinet.

8. The device according to claim 6, characterized in that The cloud platform (1) is used to establish an algorithm model for device data and store the system data, and to analyze the system data using a deep learning method using the algorithm model to obtain information on the operating rules of each system.

9. The device according to claim 7, characterized in that The cloud platform (1) is also used to regulate the switching status of each system through the local controller (3) based on weather forecast information and information on the operating rules of each system.

10. The device according to claim 9, characterized in that The local controller (3) is used to control the first circuit breaker (4), the second circuit breaker (5), the third circuit breaker (6), the fourth circuit breaker (7), and the fifth circuit breaker (8) according to the control instructions issued by the cloud platform (1) through the data acquisition and wireless network transmission module (2), thereby completing the switching control of each system.

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