Distribution area intelligent control and management system, electronic equipment and media

Abstract

This invention belongs to the field of power control technology, specifically disclosing an intelligent control and management system for distribution transformer substations, electronic equipment, and media. The system comprises, from bottom to top, an operating system layer, a business support layer, and an application layer. The operating system layer includes hardware resources and an operating system; the hardware resources provide the hardware foundation; the operating system is used for resource management and device driving. The business support layer includes a power monitoring module, a time synchronization module, a fault recording module, a data storage module, and a communication module. The application layer includes a fault handling module, a local FA module, and a one-click sequential control module. This invention improves the intelligence level of equipment management within distribution transformer substations, enhances operation and maintenance efficiency, and increases power supply reliability. This invention is applicable to the intelligent control of equipment within distribution transformer substations.

Description

Technical Field

[0001] This invention belongs to the field of power control technology, specifically a distribution substation intelligent control and management system, electronic equipment, and medium. Background Technology

[0002] With the rapid development of IoT technology, the construction of smart distribution networks has placed higher demands on equipment interconnection, flexible networking, multi-protocol adaptation, and intelligent operation and maintenance. Traditional distribution terminals are struggling to adapt to this transformation and mainly face the following problems: (1) Poor power supply reliability: The fault diagnosis and recovery efficiency of the entire power distribution system is low. In particular, when a fault occurs, the recovery time is long, which leads to an increase in the power outage time for users. (2) Low level of intelligence: It is impossible to realize automated monitoring and management, resulting in insufficient real-time monitoring and dispatching capabilities of the power distribution network, making it difficult to realize real-time monitoring and analysis of power supply load and power consumption patterns, thus affecting decision optimization; (3) Low operation and maintenance efficiency: It requires personnel to go to the site for operation and maintenance, and to climb the pole. The personnel have high requirements for qualifications and skills, and there are safety hazards in the on-site operation. Summary of the Invention

[0003] The purpose of this invention is to provide an intelligent control and management system, electronic equipment, and medium for distribution transformer substations, so as to realize intelligent management of equipment within distribution transformer substations and improve operation and maintenance efficiency and power supply reliability.

[0004] To achieve the above objectives, the present invention employs the following technical methods: A distribution area intelligent control and management system includes an operating system layer, a business support layer, and an application layer distributed from bottom to top; The operating system layer includes hardware resources and the operating system itself; Among them, hardware resources provide the hardware foundation; Operating system, used for resource management and device drivers; The business support layer includes a power monitoring module, a time synchronization module, a fault recording module, a data storage module, and a communication module; Among them, the power monitoring module is used to monitor the power load of the distribution substation, as well as the opening and closing status of vacuum circuit breakers, electric isolating switches or electric fuses, to provide data support for the operation of the power grid and store it in the data storage module. The time synchronization module is used to receive time synchronization commands from the time synchronization device and keep synchronized with the system clock; The fault recording module is used to record fault waveforms in the power distribution network. The data storage module is used to store the power load status monitored by the power monitoring module, the open / closed status of vacuum circuit breakers, electric isolating switches or electric fuses, the waveform recording data obtained by the fault recording module, and the operation records of the application layer, and form historical data. The communication module is used to manage the communication protocols used between devices, as well as the conversion and adaptation between communication protocols; The application layer includes a fault handling module, a local FA module, and a one-click sequential control module; The fault handling module is used to configure operating parameters and control logic according to the actual operating conditions to achieve fault handling. The local FA module is used to select recloser-type or intelligent distributed feeder automation control logic according to the field application, and adapt to the multi-branch and multi-connection distribution network structure; it works with the substation outgoing switch to realize the section location of permanent short circuit faults and the power supply restoration of transient faults; it works with the substation outgoing switch to realize the local automatic isolation of permanent faults and the power supply restoration of the upstream area of ​​the fault. The one-click sequential control module is used for one-click automatic control and management of equipment in the distribution radio area.

[0005] As a limitation: the fault handling module has inrush current protection function during fault handling. It can configure operating parameters and control logic according to the actual operating conditions to realize single-phase grounding and phase-to-phase short circuit fault handling, direct tripping to clear the fault, automatic reclosing, and adjustable reclosing number and time. It can enable and disable fault actions on site. It can automatically reset the fault indication according to the set time or after the line restores normal power supply. It can also automatically select the reset mode according to the fault nature. The reset modes include manual reset, automatic reset and remote reset from the master station.

[0006] As a limitation: the control methods for adaptive multi-branch multi-connection distribution network in the local FA module include short-circuit fault detection technology, ground fault detection technology, no-voltage tripping and fault path adaptive delayed power-on closing.

[0007] As a limitation: the one-click sequential control module is specifically used for centralized monitoring of operating parameters within the distribution transformer area, feeding the data back to the monitoring center in real time, and automatically controlling and managing the equipment within the distribution transformer area according to the set logic and rules. It can identify equipment faults in real time and automatically execute recovery operations according to preset recovery strategies; it is used for load forecasting and real-time data analysis, and automatically selects the best scheduling scheme to perform load allocation and traffic optimization by combining load forecasting and real-time data analysis; it is used for interaction between operation and maintenance personnel and the system to realize parameter configuration, data display and control of equipment within the distribution transformer area, as well as remote video monitoring of the actual open / closed position of electric isolating switches or electric fuses, and video verification of the open / closed position of electric isolating switches and electric fuses for remote operation.

[0008] As a further limitation: the application layer also includes an FTU module; the FTU module is used for remote control and remote control of tripping and closing operations of vacuum circuit breakers, electric isolating switches or electric fuses; local or remote switching switches and control output hard pressure plates, as well as control output soft pressure plates; remote control to realize local tripping and local closing operations.

[0009] As a further limitation: the business support layer also includes a log recording module, a security module, a remote signaling anti-shake module, and a dual-location remote signaling processing module; The logging module is used to record system login information, status exception information, and parameter modification information; The safety protection module is used to determine whether the voltage and load of the lines in the distribution network exceed the limits and to implement over-limit alarms; it is also used to determine whether there is voltage on the lines in the distribution network to ensure electrical safety. The remote signaling anti-shake module, by setting the anti-shake time, confirms that the signal does not change within the anti-shake time, implements the remote signaling anti-shake logic, and adds a timestamp to all remote signaling change information to ensure the time consistency of the data; The dual-position remote signaling processing module determines the actual status of the device by simultaneously monitoring two independent position signals, avoiding false remote signaling during device initialization, operation, and power failure; it is used for priority transmission of remote signaling changes.

[0010] As a further clarification: the hardware resources include the chip, as well as the ARM communication main module, DSP data acquisition module, AD module and power supply module connected to the chip, and are equipped with communication ports; the embedded operating system is the Linux operating system.

[0011] As a further clarification: the power module includes 220V AC mains power supply and 24V backup battery; the business support layer also includes a power management module, which is used to control high-voltage or low-voltage power supply according to the site conditions; to control the automatic charging and discharging of the backup battery; and to control the automatic activation of the backup battery when the 220V AC mains power supply is insufficient or disappears.

[0012] The present invention also provides an electronic device, including a memory and a processor. The memory stores a computer program, and the processor calls the computer program in the memory to implement the functions of the above-mentioned intelligent control and management system for distribution radio areas.

[0013] The present invention also provides a computer-readable storage medium storing a computer program, which, when executed by a processor, is used to implement the functions of the intelligent control and management system for distribution radio areas as described above.

[0014] The beneficial effects achieved by this invention, due to the adoption of the above-described solution, compared with the prior art, are as follows: This invention provides an intelligent control and management system, electronic equipment, and media for distribution transformer substations. By establishing an operating system layer, a business support layer, and an application layer, the operating system layer provides the hardware foundation and device drivers; the business support layer provides data support, collecting relevant data from the distribution transformer substation in real time; and the application layer provides control decisions, enabling remote fault handling, local FA control and FTU control, as well as one-click sequential control of the distribution transformer substation. This reduces the impact of human factors on operation, improves the intelligence level of equipment management within the distribution transformer substation, and enhances operation and maintenance efficiency and power supply reliability. Furthermore, by incorporating a log recording module, a security module, a remote signaling anti-jitter module, and a dual-position remote signaling processing module, the accuracy of system data transmission and the reliability of power supply are improved. Finally, by including a power management module, the system automatically switches between mains power and backup battery power, further enhancing system reliability.

[0015] This invention is applicable to the intelligent control of equipment within a distribution radio area. Attached Figure Description

[0016] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0017] Figure 1 This is an architecture diagram of the intelligent control and management system for distribution radio stations according to Embodiment 1 of the present invention; Figure 2 This is a schematic diagram of the structure of the electronic device in Embodiment 2 of the present invention. Detailed Implementation

[0018] The present invention will be further described below with reference to the embodiments. However, those skilled in the art should understand that the present invention is not limited to the following embodiments. Any improvements and equivalent changes made based on the specific embodiments of the present invention are within the scope of protection of the claims of the present invention.

[0019] Example 1: Intelligent Control and Management System for Distribution Radio Areas A distribution area intelligent control and management system, such as Figure 1 As shown, it includes the operating system layer, business support layer, and application layer distributed from bottom to top.

[0020] The operating system layer includes hardware resources and the embedded operating system; The hardware resources include a 32-bit industrial-grade chip, as well as an ARM communication main module, a DSP data acquisition module, an AD module, and a power supply module connected to the chip. It is also equipped with multiple RS232 or RS485 communication ports, two RJ-45 network ports, and one fiber optic communication port. The power supply module includes 220V AC mains power and a 24V backup battery. The embedded operating system is Linux.

[0021] The business support layer includes a power monitoring module, a time synchronization module, a fault recording module, a data storage module, a log recording module, a power management module, a security module, a remote signaling anti-shake module, a dual-location remote signaling processing module, and a communication module. Among them, the power monitoring module is used to monitor the power load of the distribution substation, collect the temperature inside the equipment box, and monitor the opening and closing status of vacuum circuit breakers, electric isolating switches or electric fuses, providing data support for power grid operation and storing it in the data storage module. The time synchronization module is used to receive time synchronization commands from the time synchronization device, keep synchronized with the system clock, and adopts the SNTP time synchronization method. The fault recording module is used to record faults in the distribution network. The recorded data is stored cyclically for at least 60 records and stored in the data storage module. The recorded content includes waveform data of at least 4 cycles before the fault occurs and at least 8 cycles after the fault occurs. The number of recorded points is at least 80 points / cycle. The recorded data includes voltage, current and switch position. The data storage module stores the power load monitored by the power monitoring module, the opening and closing status of vacuum circuit breakers, electric isolating switches or electric fuses, the waveform data obtained by the fault waveform recording module, and the operation records of the application layer, forming historical data. The historical data includes: event sequence records, operation records, daily frozen power, fixed-point power data, fixed-point power data, fixed-point voltage data, fixed-point current data, daily extreme voltage data, and daily extreme current data. The stored content includes at least 31 days of fixed-point records and extreme value records, at least 1024 event sequence records, and at least 30 operation records. 96 fixed-point data entries are generated at equal intervals every day, and 1 extreme value record is generated every day. The logging module is used to record system login information, status exception information, and parameter modification information; The power management module is used to control high-voltage or low-voltage power supply according to the site conditions; it is used to control the automatic charging and discharging of the backup battery, and can control the activation of the backup battery by time, manual or remote control, and alarm when the backup battery is low voltage; when the 220V mains power supply is insufficient or disappears, it controls the backup battery to automatically start. The safety protection module is used to determine whether the voltage and load of the lines in the distribution network exceed the limits and to implement over-limit alarms; it is also used to determine whether there is voltage on the lines in the distribution network to ensure electrical safety. The remote signaling anti-shake module, by setting the anti-shake time, confirms that the signal does not change within the anti-shake time, implements the remote signaling anti-shake logic, and adds a timestamp to all remote signaling change information to ensure the time consistency of the data; The dual-position remote signaling processing module determines the actual status of the equipment by simultaneously monitoring two independent position signals, avoiding false remote signaling during equipment initialization, operation, and power failure; it is used for priority transmission of remote signaling changes. The communication module is used to manage the communication protocols used for communication between devices, as well as the conversion and adaptation between communication protocols.

[0022] The application layer includes an FTU module, a fault handling module, a local FA module, and a one-click sequential control module; The FTU module is used for remote control of the tripping and closing operations of vacuum circuit breakers, electric isolating switches or electric fuses; local or remote switching switches and control output hard pressure plates, as well as control output soft pressure plates; and remote control to realize local tripping and local closing operations. The fault handling module is used to configure operating parameters and control logic according to the actual operating conditions, realize single-phase grounding and phase-to-phase short-circuit fault handling, directly trip and clear the fault, and has an automatic reclosing function with adjustable reclosing times and times; it has on-site enabling and disabling functions for fault action; it has inrush current protection function; it has manual reset, automatic reset and remote reset functions for fault indication, and can automatically reset according to the set time or after the line restores normal power supply, and can also automatically select the reset mode according to the nature of the fault. The local FA module is used to select recloser-type or intelligent distributed feeder automation logic according to the field application. Through short-circuit fault detection technology, ground fault detection technology, no-voltage tripping, and fault path adaptive delayed power restoration control logic, it adapts to multi-branch and multi-connection distribution network structures. It works with the substation outgoing switch primary closing to realize the section location of permanent short-circuit faults and the restoration of power supply for transient faults. It works with the substation outgoing switch secondary closing to realize the local automatic isolation of permanent faults and the restoration of power supply to the upstream area of ​​the fault. The one-click sequential control module is used to centrally monitor the operating parameters within the distribution transformer area and feed the data back to the monitoring center in real time. It also automatically controls and manages the equipment within the distribution transformer area according to the set logic and rules, identifies equipment faults in real time, and automatically executes recovery operations according to preset recovery strategies. Furthermore, it is used for load forecasting and real-time data analysis, and by combining load forecasting and real-time data analysis, it automatically selects the optimal scheduling scheme for load allocation and traffic optimization. Finally, it facilitates interaction between maintenance personnel and the system, enabling parameter configuration, data display, and control of equipment within the distribution transformer area. It also allows for remote video monitoring of the actual open / closed positions of electric isolating switches or electric fuses, providing video verification for remote operation of the open / closed positions of electric isolating switches and electric fuses.

[0023] Example 2 An electronic device The electronic device of this embodiment includes a memory and a processor. The memory stores a computer program, and the processor calls the computer program in the memory to implement the function of the intelligent control and management system for distribution radio areas in Embodiment 1. Figure 2This is a schematic diagram of the structure of the electronic device provided in this embodiment. The electronic device can be a terminal device or a server. The terminal device can include, but is not limited to, mobile terminals such as mobile phones, laptops, digital broadcast receivers, personal digital assistants (PDAs), portable Android devices (PADs), portable media players (PMPs), and in-vehicle terminals (such as in-vehicle navigation terminals), as well as fixed terminals such as digital TVs and desktop computers. Figure 2 The electronic device shown is merely an example and should not be construed as limiting the functionality and scope of use of this embodiment.

[0024] like Figure 2 As shown, electronic devices may include processing units, such as central processing units (CPUs) and graphics processors (GPUs), which can perform various appropriate actions and processes based on programs stored in read-only memory (ROM) or loaded from storage devices into random access memory (RAM). RAM also stores various programs and data required for the operation of the electronic device. The processing unit, ROM, and RAM are interconnected via a bus. Input devices, output devices, communication devices, and storage devices are also connected to the bus via I / O interfaces.

[0025] Typically, the following devices can be connected to the I / O interface: input devices such as touchscreens, touchpads, keyboards, mice, cameras, microphones, accelerometers, gyroscopes, etc.; output devices such as liquid crystal displays (LCDs), speakers, vibrators, etc.; storage devices such as magnetic tapes, hard drives, etc.; and communication devices. Communication devices allow electronic devices to communicate wirelessly or wiredly with other devices to exchange data. Although Figure 2 Electronic devices with various devices are shown, but it should be understood that it is not required to implement or have all of the devices shown. More or fewer devices may be implemented or have alternatively.

[0026] Example 3: A computer-readable medium The computer-readable storage medium of this embodiment stores a computer program, which, when executed by a processor, is used to implement the functions of the intelligent control and management system for distribution radio areas in Embodiment 1. The computer-readable storage medium of this embodiment may be included in an electronic device; alternatively, it may exist independently and not be assembled into an electronic device.

[0027] The computer-readable storage medium of this embodiment may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof. More specific examples of a computer-readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer disk, a hard disk, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination thereof. In this embodiment, the computer-readable storage medium may be any tangible medium containing or storing a program that can be used by or in conjunction with an instruction execution system, apparatus, or device.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this disclosure, and are not intended to limit them. Although this disclosure has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this disclosure.

Claims

1. A distribution radio area intelligent control and management system, characterized in that, It includes the operating system layer, business support layer, and application layer, distributed from bottom to top; The operating system layer includes hardware resources and the operating system itself; Among them, hardware resources provide the hardware foundation; Operating system, used for resource management and device drivers; The business support layer includes a power monitoring module, a time synchronization module, a fault recording module, a data storage module, and a communication module; Among them, the power monitoring module is used to monitor the power load of the distribution substation, as well as the opening and closing status of vacuum circuit breakers, electric isolating switches or electric fuses, to provide data support for the operation of the power grid and store it in the data storage module. The time synchronization module is used to receive time synchronization commands from the time synchronization device and keep synchronized with the system clock; The fault recording module is used to record fault waveforms in the power distribution network. The data storage module is used to store the power load status monitored by the power monitoring module, the open / closed status of vacuum circuit breakers, electric isolating switches or electric fuses, the waveform recording data obtained by the fault recording module, and the operation records of the application layer, and form historical data. The communication module is used to manage the communication protocols used between devices, as well as the conversion and adaptation between communication protocols; The application layer includes a fault handling module, a local FA module, a one-click sequential control module, and a human-machine interface; The fault handling module is used to configure operating parameters and control logic according to the actual operating conditions to achieve fault handling. The local FA module is used to select recloser-type or intelligent distributed feeder automation control logic according to the field application, and adapt to the multi-branch and multi-connection distribution network structure; it works with the substation outgoing switch to realize the section location of permanent short circuit faults and the power supply restoration of transient faults; it works with the substation outgoing switch to realize the local automatic isolation of permanent faults and the power supply restoration of the upstream area of ​​the fault. The one-click sequential control module is used for one-click automatic control and management of equipment in the distribution radio area.

2. The intelligent control and management system for distribution substations according to claim 1, characterized in that, The fault handling module has inrush current protection function during fault handling. It can configure operating parameters and control logic according to the actual operating conditions to handle single-phase grounding and phase-to-phase short circuit faults, directly trip to clear the fault, and automatically reclose. The number of reclosing times and time are adjustable. It can enable and disable fault actions on site. It can automatically reset the fault indication according to the set time or after the line restores normal power supply. It can also automatically select the reset mode according to the nature of the fault. The reset modes include manual reset, automatic reset and remote reset from the master station.

3. The intelligent control and management system for distribution substations according to claim 1, characterized in that, The control methods for adaptive multi-branch and multi-connection distribution network in the local FA module include short-circuit fault detection technology, ground fault detection technology, no-voltage tripping, and fault path adaptive delayed power-on closing.

4. The intelligent control and management system for distribution substations according to claim 1, characterized in that, The one-click sequential control module is specifically used to centrally monitor the operating parameters within the distribution transformer area and feed the data back to the monitoring center in real time. It also automatically controls and manages the equipment within the distribution transformer area according to the set logic and rules, identifies equipment faults in real time, and automatically executes recovery operations according to the preset recovery strategy. It is used for load forecasting and real-time data analysis, and by combining load forecasting and real-time data analysis, it automatically selects the best scheduling scheme to perform load allocation and traffic optimization. It is used for interaction between operation and maintenance personnel and the system to configure parameters, display data and control equipment in the distribution area, as well as remotely monitor the actual open and closed positions of electric isolating switches or electric fuses via video, and perform video verification of the open and closed positions of electric isolating switches and electric fuses for remote operation.

5. The intelligent control and management system for distribution substations according to any one of claims 1-4, characterized in that, The application layer also includes an FTU module; the FTU module is used for remote control and remote control of tripping and closing operations of vacuum circuit breakers, electric isolating switches or electric fuses; local or remote switching switches and control output hard pressure plates, as well as control output soft pressure plates; remote control to realize local tripping and local closing operations.

6. The intelligent control and management system for distribution substations according to any one of claims 1-4, characterized in that, The business support layer also includes a log recording module, a security module, a remote signaling anti-shake module, and a dual-location remote signaling processing module; The logging module is used to record system login information, status exception information, and parameter modification information; The safety protection module is used to determine whether the voltage and load of the lines in the distribution network exceed the limits and to implement over-limit alarms; it is also used to determine whether there is voltage on the lines in the distribution network to ensure electrical safety. The remote signaling anti-shake module, by setting the anti-shake time, confirms that the signal does not change within the anti-shake time, implements the remote signaling anti-shake logic, and adds a timestamp to all remote signaling change information to ensure the time consistency of the data; The dual-position remote signaling processing module determines the actual status of the device by simultaneously monitoring two independent position signals, avoiding false remote signaling during device initialization, operation, and power failure; it is used for priority transmission of remote signaling changes.

7. The intelligent control and management system for distribution substations according to any one of claims 1-4, characterized in that, The hardware resources include the chip, as well as the ARM communication main module, DSP data acquisition module, AD module and power supply module connected to the chip, and are equipped with communication ports; the embedded operating system is Linux.

8. The intelligent control and management system for distribution substations according to claim 7, characterized in that, The power module includes a 220V AC mains power supply and a 24V backup battery; the business support layer also includes a power management module, which is used to control high-voltage or low-voltage power supply according to the site conditions; to control the automatic charging and discharging of the backup battery; and to control the automatic activation of the backup battery when the 220V AC mains power supply is insufficient or disappears.

9. An electronic device, characterized in that, It includes a memory and a processor. The memory stores a computer program, and the processor calls the computer program in the memory to implement the functions of the distribution area intelligent control and management system as described in any one of claims 1-8.

10. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores a computer program, which, when executed by a processor, is used to implement the functions of the intelligent control and management system for distribution substations as described in any one of claims 1-8.

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