Outdoor mobile substation control device based on solar power supply control

Abstract

The invention discloses an outdoor mobile transformer substation control device based on solar power supply control, and the device comprises an intelligent control module which is connected with a solar power supply module, a remote monitoring module, an automatic adjustment module, an emergency power supply module, a safety protection module, an environment adaptation module, an intelligent diagnosis and maintenance module, and a man-machine interaction module. The operation state of the transformer substation can be monitored in real time and accurately adjusted, the stability and safety of a power grid are improved, the emergency power supply module is automatically switched to an emergency power supply under the condition that the power grid breaks down or is abnormal, emergency power is provided for key equipment, the continuity of a power system is ensured, and the safety of the power grid is improved. Intelligent diagnosis and maintenance are carried out on substation equipment through the intelligent diagnosis and maintenance module, potential faults are found in advance, measures are taken, the service life of the equipment is prolonged, the maintenance cost is reduced, and emergency power supply and intelligent diagnosis and maintenance capabilities are enhanced.

Description

Technical Field

[0001] The present application relates to the technical field of substations, and in particular to an outdoor mobile substation control device based on solar power supply control. Background Art

[0002] With the continuous advancement of energy technology and the widespread application of renewable energy, solar energy, as a clean and renewable energy form, is increasingly used in power systems. As an important component of the power system, outdoor mobile substations have the advantages of flexible deployment, rapid response and adaptability to various environmental conditions, and can meet the power needs of different regions.

[0003] Combining solar power supply with outdoor mobile substations can not only achieve green and sustainable use of energy, but also improve the reliability and stability of the power system. By using solar panels to convert sunlight into electrical energy, a stable power supply is provided for the substation, reducing dependence on traditional fossil energy, while reducing operating costs and environmental pollution.

[0004] The prior art discloses an energy-saving substation intelligent power supply system utilizing solar energy, which includes a rectifier module, a DC feeder bus, an insulator detection unit, a switch quantity detection unit, and a data monitoring unit. The power supply system also includes a solar panel located in a position where it can fully receive sunlight. The solar panel is connected to a battery pack through a controller unit and an anti-reverse charging circuit unit. The battery pack is equipped with a battery management unit and is connected to the DC feeder bus of the substation.

[0005] Although solar energy has been introduced into the power supply of the above-mentioned substations and intelligent utilization of solar energy has been achieved through controllers, reducing the loss of transmitted power in the substations, there are still some shortcomings. On the one hand, there is a lack of sufficient intelligence and automation in monitoring and adjusting the operating status of the substations, resulting in slow response speed and low adjustment accuracy, which makes it difficult to meet the stability and safety requirements of modern substations. On the other hand, there are defects in emergency power supply and intelligent diagnosis and maintenance, which make it impossible to respond to power grid failures or equipment abnormalities in a timely and effective manner, thereby increasing operating risks and maintenance costs. Summary of the Invention

[0006] To this end, the present application provides an outdoor mobile substation control device based on solar power supply control to solve the problems of low intelligence and automation levels in the existing technology, difficulty in meeting the stability and safety requirements of modern substations, inability to respond to power grid failures or equipment abnormalities in a timely and effective manner, and increased operating risks and maintenance costs.

[0007] In order to achieve the above objectives, this application provides the following technical solutions:

[0008] An outdoor mobile substation control device based on solar power supply control includes an intelligent control module connected to a

[0009] Remote monitoring module, responsible for real-time monitoring of substation operating status, collecting key parameter data, and transmitting key parameter data to the remote monitoring center for processing and analysis;

[0010] Automatic adjustment module: Calculates and outputs adjustment instructions based on the data provided by the remote monitoring module, and adjusts the operating status of the power grid through the actuator to maintain stable operation of the power grid;

[0011] Emergency power supply module: When the power grid fails or is abnormal, the emergency power supply module automatically switches to the emergency power supply to provide emergency power to key equipment and ensure the continuity of the power system;

[0012] The intelligent diagnosis and maintenance module is responsible for intelligent diagnosis and maintenance of substation equipment, detecting potential faults in advance and taking measures, and providing equipment health status information to the intelligent control module;

[0013] The human-computer interaction module is responsible for providing a human-computer interaction interface for monitoring and managing substations.

[0014] Optionally, a solar power supply module is included, which is responsible for converting solar energy into electrical energy and providing a stable power supply for other modules.

[0015] Solar panels: responsible for converting sunlight into electrical energy;

[0016] Solar controller: responsible for regulating the output of solar panels, preventing overcharging and over-discharging, and managing the distribution of electrical energy;

[0017] Battery bank: stores the electricity generated by the solar panels for use when there is no sunlight.

[0018] Optionally, the remote monitoring module includes

[0019] Data acquisition unit: collects various data of the substation through sensors and measuring equipment;

[0020] Data transmission unit: uses wireless communication technology to transmit data to the remote monitoring center;

[0021] Data analysis and display unit: Process and analyze data in the remote monitoring center and display it through a graphical interface.

[0022] Optionally, the data transmission unit includes

[0023] Wireless communication subunit: responsible for establishing communication connection with the remote monitoring center to ensure stable data transmission;

[0024] Data encapsulation subunit: responsible for encapsulating and formatting the collected data to maintain the integrity and readability of the data during transmission.

[0025] Optionally, the data analysis and display unit includes

[0026] Data processing subunit: pre-processes and cleans the received data;

[0027] Analytical Algorithm Subunit: Use mathematical and statistical methods to analyze and mine data to extract key information and patterns;

[0028] Graphical interface subunit: presents the analysis results graphically on the display interface.

[0029] Optionally, the automatic adjustment module includes

[0030] Control algorithm unit: calculates and outputs adjustment instructions based on the preset control strategy;

[0031] Actuator unit: adjusts the operating state of the power grid according to the regulation instructions output by the control algorithm unit.

[0032] Optionally, the emergency power supply module includes an emergency power supply unit and a switching device unit. When a failure or abnormality occurs in the power grid, the switching device unit automatically switches to the emergency power supply unit to ensure the continuity of the power system.

[0033] Optionally, the intelligent diagnosis and maintenance module includes

[0034] Fault diagnosis unit: diagnoses the operating status and potential faults of the equipment based on data analysis algorithms;

[0035] Maintenance suggestion unit: provides maintenance suggestions and maintenance plans based on fault diagnosis results;

[0036] Maintenance record unit: records the detailed information of each maintenance.

[0037] Compared with the prior art, this application has at least the following beneficial effects:

[0038] (1) By integrating remote monitoring modules and automatic adjustment modules, real-time monitoring and precise adjustment of substation operation status are achieved, thus improving the stability and security of the power grid;

[0039] (2) By integrating the emergency power supply module and the intelligent diagnosis and maintenance module, it can automatically switch to the emergency power supply in the event of a grid failure or abnormality, provide emergency power to key equipment, and ensure the continuity of the power system. The intelligent diagnosis and maintenance module can perform intelligent diagnosis and maintenance on substation equipment, detect potential faults in advance and take measures, extend the service life of equipment, reduce maintenance costs, and enhance emergency power supply and intelligent diagnosis and maintenance capabilities. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] To more intuitively illustrate the prior art and the present application, exemplary drawings are provided below. It should be understood that the specific shapes and structures shown in the drawings should not generally be considered as limiting conditions for implementing the present application; for example, based on the technical concepts disclosed in the present application and the exemplary drawings, those skilled in the art are capable of easily making routine adjustments or further optimizations to the addition / reduction / attribution division, specific shapes, positional relationships, connection methods, dimensional ratios, etc. of certain units (components).

[0041] Figure 1 This is a system block diagram of the outdoor mobile substation control device based on solar power supply control provided in this application. DETAILED DESCRIPTION

[0042] The present application is further described below in detail through specific embodiments in conjunction with the accompanying drawings.

[0043] An outdoor mobile substation control device based on solar power supply control includes an intelligent control module, which is connected to a solar power supply module, a remote monitoring module, an automatic adjustment module, an emergency power supply module, a safety protection module, an environmental adaptation module, an intelligent diagnosis and maintenance module, and a human-computer interaction module;

[0044] The solar power module is the energy base of the entire system. It is responsible for converting solar energy into electrical energy and providing a stable power supply for other modules. It mainly includes solar panels, solar controllers and battery packs. The solar panels convert sunlight into electrical energy. The solar controller regulates the output of the solar panels to prevent overcharging and over-discharging, and manages the distribution of electrical energy. The battery pack stores the electricity generated by the solar panels for use when there is no sunlight.

[0045] The intelligent control module will optimize the output of the solar panels and the charging strategy of the battery pack according to the power demand and solar energy supply to improve energy utilization efficiency.

[0046] The remote monitoring module is responsible for real-time monitoring of the substation's operating status, including key parameters such as voltage, current, and power factor. It collects data through the data acquisition unit and transmits the data to the remote monitoring center through the data transmission unit. The data analysis and display unit then processes and analyzes the data and displays it through a graphical interface, providing an important decision-making basis for the intelligent control module. The intelligent control module uses the data provided by the remote monitoring module for real-time analysis and decision-making, guiding the work of the automatic adjustment module to ensure the stable operation of the power grid, realize real-time monitoring and precise adjustment of the substation's operating status, and improve the stability and security of the power grid.

[0047] The remote monitoring module specifically includes

[0048] (1) Data acquisition unit: collects various data of the substation through sensors and measuring equipment;

[0049] The data acquisition unit includes a series of high-precision sensors and measuring devices installed in key locations of the substation, such as transformers, switchgear, and busbars. These devices can monitor various physical quantities of the substation in real time and convert them into electrical or digital signals, thereby collecting substation data for subsequent processing and analysis. This data includes but is not limited to voltage, current, power factor, temperature, humidity, etc., which is crucial for evaluating the operating status of the substation and promptly identifying potential problems.

[0050] To ensure the accuracy and reliability of the data, the data acquisition unit will also perform preliminary processing and verification on the data, such as denoising, filtering, outlier detection, etc. These processing steps help reduce data errors, improve data quality, and provide a solid foundation for subsequent data analysis and decision-making.

[0051] (2) Data transmission unit: uses wireless communication technology (such as GPRS, 4G / 5G, etc.) to transmit data to the remote monitoring center;

[0052] The data transmission unit consists of a wireless communication subunit and a data encapsulation subunit. The wireless communication subunit is responsible for establishing a communication connection with the remote monitoring center to ensure stable data transmission. The data encapsulation subunit is responsible for encapsulating and formatting the collected data to maintain data integrity and readability during transmission. During the data transmission process, the data transmission unit encrypts the data to ensure data security, which helps prevent data from being illegally intercepted or tampered with, and protects the privacy and security of the substation.

[0053] (3) Data analysis and display unit: processes and analyzes data in the remote monitoring center and displays it through a graphical interface;

[0054] The data analysis and display unit consists of a data processing subunit, an analysis algorithm subunit, and a graphical interface subunit. The data processing subunit preprocesses and cleans the received data to improve data quality and analysis results. The analysis algorithm subunit then uses various mathematical and statistical methods to analyze and mine the data to extract useful information and patterns. Finally, the graphical interface subunit presents the analysis results to the operator in an intuitive and easy-to-understand manner, including various charts, curves, alarm information, etc., to help the operator quickly understand the operating status of the substation, promptly discover and deal with potential problems, thereby facilitating the timely detection of abnormal conditions in the substation and the assessment of the stability and security of the power grid.

[0055] Automatic adjustment module: Calculates and outputs adjustment instructions based on the data provided by the remote monitoring module, and adjusts the operating status of the power grid through the actuator to maintain stable operation of the power grid;

[0056] The automatic adjustment module mainly includes

[0057] (1) Control algorithm unit: Calculates and outputs regulation instructions based on the preset control strategy. The control strategy is formulated according to the operating principle of the power system and the grid stability requirements, aiming to ensure that the grid can maintain normal operation under various working conditions. The specific work content is as follows:

[0058] According to the preset control strategy, the control algorithm unit will select a suitable control algorithm (PID control, fuzzy control, neural network control, etc.) for calculation. The specific selection depends on the characteristics of the power grid and the control requirements. Through calculation, the control algorithm unit will obtain the parameter values ​​that need to be adjusted, such as voltage adjustment amount, current adjustment amount, etc., and then the control algorithm unit will output the calculated adjustment instructions in the form of electrical signals or digital signals to the actuator unit so that the actuator unit can accurately receive and execute them.

[0059] (2) Actuator unit: Adjusts the operating state of the power grid according to the regulation instructions output by the control algorithm unit. Actuators such as circuit breakers, disconnectors, and transformers can be selected. The specific work content is as follows:

[0060] The actuator unit receives the adjustment instructions from the control algorithm unit, parses these instructions, converts the electrical signals or digital signals into control signals that the equipment can recognize, and determines the equipment and parameters that need to be adjusted. Then, based on the control signals obtained by parsing, the actuator unit controls the corresponding power equipment to make adjustments. For example, if the adjustment instruction requires an increase in voltage, the actuator unit controls the transformer to increase the output voltage. If the adjustment instruction requires a circuit to be disconnected, the actuator unit controls the circuit breaker to perform a tripping operation, etc. After executing the adjustment operation, the actuator unit feeds back the operating status of the equipment to the control algorithm unit, including the current status of the equipment, adjustment results, etc., which helps the control algorithm unit evaluate the adjustment effect and make further adjustments as needed.

[0061] Emergency power supply module: In the event of a grid failure or emergency, the emergency power supply module will quickly start up to provide emergency power to critical equipment. It consists of an emergency power supply unit (such as a diesel generator set or a backup battery pack) and a switching device unit. In the event of a grid failure, the switching device unit automatically switches to the emergency power supply, ensuring the continuity of the power system and strengthening the emergency power supply capability.

[0062] The intelligent control module monitors the status of the power grid and immediately activates the emergency power supply module once a fault or abnormality is detected to ensure the continuity of the power system.

[0063] Safety protection module: This module is responsible for ensuring the safety of substation equipment and personnel, including lightning protection, fire protection, and anti-theft functions. It mainly includes lightning protection device units, fire protection device units, and anti-theft device units to achieve all-round safety protection and provide security for the intelligent control module. For example, lightning rods and lightning arresters are used to prevent lightning damage to equipment; fire detectors and fire extinguishers are used to detect and extinguish fires in a timely manner; infrared detectors and alarms are used to prevent equipment theft;

[0064] The intelligent control module can monitor the working status of the safety protection module, promptly detect and deal with potential safety hazards, and ensure the safety of substation equipment and personnel.

[0065] Environmental adaptation module: This module enables the substation to adapt to various outdoor environments, including high temperature, low temperature, humidity and other harsh conditions. It implements environmental adaptation functions through temperature control units, humidity control units and dust and corrosion prevention units to ensure that the equipment can still operate normally in harsh environments. For example, air conditioners and heaters are used to keep the equipment running within the appropriate temperature range; dehumidifiers and humidifiers are used to keep the equipment running within the appropriate humidity range; dust covers and anti-corrosion coatings are used to prevent dust and corrosive substances from damaging the equipment.

[0066] The intelligent control module adjusts the working strategy of the environmental adaptation module according to environmental conditions and equipment status to ensure that the equipment can still operate normally in harsh environments.

[0067] The intelligent diagnosis and maintenance module is responsible for intelligent diagnosis and maintenance of substation equipment, detecting potential faults in advance and taking measures, providing equipment health status information to the intelligent control module, extending equipment life, reducing maintenance costs, and strengthening intelligent diagnosis and maintenance capabilities. It mainly includes:

[0068] (1) Fault diagnosis unit: Use big data analysis, artificial intelligence algorithms (including machine learning, deep learning, neural networks, etc.) and other technologies to conduct in-depth mining and analysis of pre-processed data, quickly and accurately identify the operating status and potential faults of the equipment. When a potential fault is diagnosed in the equipment, the fault diagnosis unit will immediately trigger the alarm mechanism and notify relevant personnel to handle it. At the same time, it will accurately locate the location and type of the fault and provide guidance for subsequent maintenance work.

[0069] (2) Maintenance suggestion unit: Provides maintenance suggestions and maintenance plans based on the fault diagnosis results. The specific contents are as follows:

[0070] Based on the diagnosis results of the fault diagnosis unit and combined with the equipment's operating history and maintenance records, the maintenance recommendation unit generates detailed maintenance recommendations, including replacing damaged parts, adjusting equipment operating parameters, strengthening equipment cleaning and maintenance, etc. Then, based on the maintenance recommendations, a specific maintenance plan is formulated, including maintenance time, location, personnel, tools and other elements to ensure that the maintenance work can be carried out smoothly. After the maintenance work is completed, the maintenance recommendation unit evaluates the maintenance effect. By comparing the equipment operating parameters and status before and after maintenance, the quality and effect of the maintenance work are evaluated, providing a reference for subsequent optimization and improvement.

[0071] (3) Maintenance record unit: Record detailed information of each maintenance (including the time, location, personnel, tools, maintenance content, etc.) for subsequent analysis and improvement. Organize and store the recorded maintenance information to form a complete maintenance record database for subsequent data analysis and mining, providing data support for equipment optimization and improvement. Through the analysis and summary of maintenance records, extract effective maintenance experience and lessons, which can be used to guide future maintenance work and improve the efficiency and quality of maintenance work.

[0072] The human-computer interaction module is responsible for providing a friendly human-computer interaction interface to facilitate operators to monitor and manage the substation. It mainly includes:

[0073] Display unit: such as touch screen, display, etc., to display the operating status and various parameters of the substation;

[0074] Operation unit: such as keyboard, mouse, buttons, etc., which allows the operator to input instructions and perform operations;

[0075] Alarm prompt unit: such as sound and light alarm, SMS alarm, etc., to remind operators when equipment fails or abnormal conditions occur;

[0076] Human-computer interaction is achieved through the display unit, operation unit and alarm prompt unit, allowing operators to easily obtain substation information and perform operations;

[0077] The intelligent control module will provide the operator with information such as the power grid status and equipment health status through the human-computer interaction module, and accept the operator's instructions and operations to achieve intelligent and convenient human-computer interaction.

[0078] The technical features of the above embodiments can be combined arbitrarily (as long as there is no contradiction in the combination of these technical features). In order to make the description concise, not all possible combinations of the technical features in the above embodiments are described; these embodiments that are not explicitly written should also be considered to be within the scope of this specification.

Claims

1. An outdoor mobile substation control device based on solar power supply control, including an intelligent control module, characterized in that: Intelligent control module connected with Remote monitoring module, responsible for real-time monitoring of substation operating status, collecting key parameter data, and transmitting key parameter data to the remote monitoring center for processing and analysis; Automatic adjustment module: Calculates and outputs adjustment instructions based on the data provided by the remote monitoring module, and adjusts the operating status of the power grid through the actuator to maintain stable operation of the power grid; Emergency power supply module: When the power grid fails or is abnormal, the emergency power supply module automatically switches to the emergency power supply to provide emergency power to key equipment and ensure the continuity of the power system; The intelligent diagnosis and maintenance module is responsible for intelligent diagnosis and maintenance of substation equipment, detecting potential faults in advance and taking measures, and providing equipment health status information to the intelligent control module; The human-computer interaction module is responsible for providing a human-computer interaction interface for monitoring and managing substations.

2. The outdoor mobile substation control device based on solar power supply control according to claim 1 is characterized in that: It also includes a solar power supply module, which is responsible for converting solar energy into electrical energy and providing a stable power supply for other modules. Solar panels: responsible for converting sunlight into electrical energy; Solar controller: responsible for regulating the output of solar panels, preventing overcharging and over-discharging, and managing the distribution of electrical energy; Battery bank: stores the electricity generated by the solar panels for use when there is no sunlight.

3. The outdoor mobile substation control device based on solar power supply control according to claim 1, characterized in that: The remote monitoring module includes Data acquisition unit: collects various data of the substation through sensors and measuring equipment; Data transmission unit: uses wireless communication technology to transmit data to the remote monitoring center; Data analysis and display unit: Process and analyze data in the remote monitoring center and display it through a graphical interface.

4. The outdoor mobile substation control device based on solar power supply control according to claim 3 is characterized in that: The data transmission unit includes Wireless communication subunit: responsible for establishing communication connection with the remote monitoring center to ensure stable data transmission; Data encapsulation subunit: responsible for encapsulating and formatting the collected data to maintain the integrity and readability of the data during transmission.

5. The outdoor mobile substation control device based on solar power supply control according to claim 3 is characterized in that: The data analysis and display unit includes Data processing subunit: pre-processes and cleans the received data; Analytical Algorithm Subunit: Use mathematical and statistical methods to analyze and mine data to extract key information and patterns; Graphical interface subunit: presents the analysis results graphically on the display interface.

6. The outdoor mobile substation control device based on solar power supply control according to claim 1, characterized in that: The automatic adjustment module includes Control algorithm unit: calculates and outputs adjustment instructions based on the preset control strategy; Actuator unit: adjusts the operating state of the power grid according to the regulation instructions output by the control algorithm unit.

7. The outdoor mobile substation control device based on solar power supply control according to claim 1, characterized in that: The emergency power supply module includes an emergency power supply unit and a switching device unit. When a failure or abnormality occurs in the power grid, the switching device unit automatically switches to the emergency power supply unit to ensure the continuity of the power system.

8. The outdoor mobile substation control device based on solar power supply control according to claim 1, characterized in that: The intelligent diagnosis and maintenance module includes Fault diagnosis unit: diagnoses the operating status and potential faults of the equipment based on data analysis algorithms; Maintenance suggestion unit: provides maintenance suggestions and maintenance plans based on fault diagnosis results; Maintenance record unit: records the detailed information of each maintenance.

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