Multi-state variable configurable intelligent component for substation equipment

Abstract

The present invention provides a multi-state variable configurable intelligent component for substation equipment, including an equipment layer, a process layer, and a station control layer; the equipment layer includes a sub-IED for monitoring power equipment in a substation and an intelligent component distribution unit; the process layer includes a main IED; the station control layer includes a local processing unit; the sub-IED is electrically connected to the main IED through the intelligent component distribution unit, and the main IED is electrically connected to the local processing unit; the sub-IED sends the collected corresponding power equipment status information to the main IED through the intelligent component distribution unit, the main IED uploads the status information of each power equipment to the local processing unit, and the local processing unit processes and analyzes the status information of each power equipment to judge the working status of each power equipment.

Description

Technical Field

[0001] The present invention relates to the technical field of power equipment, and particularly relates to an intelligent component for a multi-state variable configurable substation equipment. Background Art

[0002] Currently, the different software and hardware architectures, networking methods, and communication media of various intelligent components limit the rapid upgrade of intelligent components, and cause additional maintenance workload, making it difficult to adapt to the development trend of intensive and intelligent power grid operation and maintenance. There is an urgent need to improve the modularization and generalization level of intelligent components. At the same time, the verification of the working stability and reliability of the intelligent component of the substation equipment on-line monitoring device needs further research, and the verification method for the adaptability of the intelligent component under harsh climate conditions is still blank. There is a lack of research on on-site calibration for the devices after being put into operation. Since the on-line monitoring device for dissolved gases in transformer oil belongs to a type of instrument that needs to calibrate data regularly, the lack of on-site calibration and maintenance may lead to data drift and unstable operation. This invention patent involves the flexible configuration and modular construction of the intelligent component of the substation equipment, and improves the practicability and maintainability of the intelligent component.

[0003] Currently, there are a wide variety of monitoring components in substations, with different model sizes and uneven quality. Moreover, the communication protocols adopted are not unified and the interfaces are incompatible with each other, resulting in difficulties in unified access and inability to achieve unified uploading and centralized monitoring of multi-state variable signals, bringing many difficulties to the work such as daily maintenance and upgrade of equipment, preparation of spare parts, and timely handling of equipment defects. Summary of the Invention

[0004] The purpose of the present invention is to address the deficiencies of the prior art and provide an intelligent component for a multi-state variable configurable substation equipment. By organically combining sensors, intelligent components, and substation equipment, the substation equipment has the characteristics of digital measurement, grid control, state visualization, function integration, and information automation.

[0005] The present invention provides an intelligent component for a multi-state variable configurable substation equipment, which is characterized by including an equipment layer, a process layer, and a station control layer; the equipment layer includes a sub-IED for monitoring power equipment in a substation and an intelligent component distribution unit; the process layer includes a main IED; the station control layer includes a local processing unit; the sub-IED is electrically connected to the main IED through the intelligent component distribution unit, and the main IED is electrically connected to the local processing unit; the sub-IED sends the collected corresponding power equipment state information to the main IED through the intelligent component distribution unit, the main IED uploads the state information of each power equipment to the local processing unit, and the local processing unit processes and analyzes the state information of each power equipment to judge the working state of each power equipment, and generates corresponding control commands through the monitoring main IED and the intelligent component distribution unit.

[0006] In the above technical solution, the intelligent component distribution unit uses an automatic bus interface to identify and is provided with a CAN bus interface module, an RS485 bus interface module, an Ethernet bus interface module, an analog interface module, a digital interface module, and a related wireless communication interface module. The above interface modules are used to connect the IEDs of each power device to obtain the status information of each power device; the IEDs of each power device achieve information interaction through the intelligent component distribution unit; the intelligent component distribution unit is also provided with a network interface for connecting to the main IED.

[0007] In the above technical solution, each interface module of the intelligent component distribution unit uses an FPGA to form each data acquisition component and stores the acquired data into the storage medium in each interface module through the SATA interface. The SATA interfaces of each interface module are electrically connected to the main board interface of the main IED.

[0008] In the above technical solution, each interface module of the intelligent component distribution unit is connected to a high-precision global synchronization clock; the high-precision global synchronization clock is connected to each interface module in a frequency division and frequency multiplication manner through a clock management module to provide a clock for the counters in the FPGA of each interface module; the FPGA acquires and stores data by identifying each interface timing and sends the acquired data to the main IED through the SATA interface of each interface module.

[0009] In the above technical solution, each interface module of the intelligent component distribution unit includes an I / O subsystem, a memory subsystem, an embedded processor, and a user-defined logic module that are respectively electrically connected to the AXI internal bus; the I / O subsystem includes a storage module, a low-speed IO module, and a network module. The storage module includes a SATA storage medium and an SSD solid-state drive. The low-speed IO module is used to connect to the IED of an external power device to collect data information, and the network module is used to obtain control instructions from the user-defined logic module; an FPGA is integrated in the I / O subsystem; a SATA controller is integrated on each FPGA computing node to support high-speed non-volatile storage based on the SSD solid-state drive; the memory subsystem includes two double data rate synchronous dynamic random access memories and an off-chip static random access memory, and corresponding controllers are provided for both the two double data rate synchronous dynamic random access memories and the off-chip static random access memory; the embedded processor and the AXI system bus are used as control modules to complete the initialization work of the I / O subsystem, the memory subsystem, and the user-defined logic module and the state control during operation, provide an AHCI-based driver interface for the SATA controller, and maintain a lightweight file system based on the SSD; the user-defined logic module changes according to the logic of different parallel data acquisition status variables, uses on-chip reconfigurable resources to hardware-accelerate the service logic of the application layer, and is optimized for specific applications. For the information security data of power equipment, a separate design and data isolation processing are carried out for the service logic of the data acquisition of attack behaviors of information security vulnerabilities.

[0010] In the above technical solution, the main board of the main IED is composed of a control unit based on the x86 architecture, which has a system memory of more than 16GB and peripheral ports. The peripheral ports are connected to each interface module through an expansion bus via an expansion interface board; the expansion interface board is designed with four or more expansion slots with the same electrical interface, and each interface module can be randomly placed into the slots according to the access requirements of substation equipment to form various monitoring intelligent components with different functions; the expansion interface board integrates a low-jitter system clock, provides it to each interface module, and can externally access an external clock synchronization signal, which is demodulated and then corrected with the output of the body's low-jitter clock.

[0011] In the above technical solution, the intelligent component distribution unit further includes a control system endpoint capture module; the control system endpoint capture module includes a low-voltage 24-channel analog front-end processing module, an analog switch, an ADC module, an FPGA module, and a SATA storage medium; the control system endpoint capture module is used to capture the status of analog or digital quantities.

[0012] In the above technical solution, the intelligent component distribution unit is further provided with an Ethernet interface for local access to a local network to achieve remote operation, data sharing, or joining a clustered automated control system logic analysis and security protection system.

[0013] In the above technical solution, the automated control system logic analysis and security protection management is deployed in the intelligent component distribution unit, which collects data from each interface module, arranges them in an orderly manner according to a unified timestamp, supports serialized data analysis, data playback, and calculates the delay and delay jitter functions from data frame to data frame and from data frame to port.

[0014] The present invention provides a power transformation device, characterized in that the power transformation device is configured with the above multi-state variable configurable power transformation device intelligent component.

[0015] The present invention provides a method for monitoring power equipment in a substation, characterized by including the following steps: a sub-IED for monitoring power equipment in the substation sends the collected corresponding power equipment status information to the main IED through the intelligent component distribution unit, and the main IED uploads the status information of each power equipment to the local processing unit. The local processing unit processes and analyzes the status information of each power equipment to judge the working status of each power equipment, and generates corresponding control commands through the main IED and the intelligent component distribution unit.

[0016] The communication method of the present invention is more diverse, covering bus, Ethernet, wireless communication, etc. By organically combining sensors, intelligent components and power transformation equipment, the power transformation equipment has the characteristics of digital measurement, grid control, state visualization, function integration and information automation. The present invention is an intelligent power transmission and transformation equipment composed of an equipment body, intelligent components, sensors and actuators. By adding an intelligent monitoring module to the traditional equipment, it integrates multiple functions such as data acquisition, on-line monitoring, fault judgment and information communication. The present invention effectively improves the operating environment of electronic equipment and the convenience of operation and maintenance, strives to reasonably control the one-time construction cost, greatly reduces the later operation and maintenance cost, has a lower life cycle cost and higher efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the component layering of the present invention;

[0018] Figure 2 It is a schematic diagram of the access of the synchronous clock of the present invention;

[0019] Figure 3 It is a schematic diagram of the interface module of the present invention;

[0020] Figure 4 It is a schematic framework diagram of the bus device of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0021] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, which is convenient for clearly understanding the present invention, but they do not constitute a limitation to the present invention.

[0022] As Figure 1 shown, a multi-state variable configurable substation equipment intelligent component is characterized by comprising an equipment layer, a process layer, and a station control layer; the equipment layer includes a sub-IED for monitoring power equipment in a substation and an intelligent component distribution unit; the process layer includes a main IED; the station control layer includes a local processing unit; the sub-IED is electrically connected to the main IED through the intelligent component distribution unit, and the main IED is electrically connected to the local processing unit; the sub-IED sends the collected corresponding power equipment status information to the main IED through the intelligent component distribution unit, the main IED uploads the status information of each power equipment to the local processing unit, and the local processing unit processes and analyzes according to the status information of each power equipment to judge the working status of each power equipment, and generates a corresponding control command to be sent to the relay protection device through the monitoring main IED, the intelligent component distribution unit, and the merging unit.

[0023] The configuration tool, configuration file, and configuration process of the present invention comply with DL / T1146. The communication of the equipment layer, process layer, and station control layer includes the network communication between the IEDs constituting the components and the communication with the process layer network and station control layer network in the substation. The interfaces, timings, and localization processing units of the intelligent components comprehensively access the electrical and non-electrical quantities that need to be monitored in the substation equipment into the multi-state variable configurable substation equipment intelligent component.

[0024] In the above technical solution, the external interface forms include CAN, RS485, Ethernet, analog interface, digital interface, and related wireless communication interfaces. In the present invention, the IEDs are networked, and the IEDs need to share information to complete specific functions. The intelligent component distribution unit adopts an industrial-grade fiber optic interface Ethernet switch and is provided with a CAN bus interface module, an RS485 bus interface module, an Ethernet bus interface module, an analog interface module, a digital interface module, and related wireless communication interface modules. The above interface modules are used to connect the IEDs of each power equipment to obtain the status information of each power equipment; the IEDs of each power equipment realize information interaction through the intelligent component distribution unit; the intelligent component distribution unit is also provided with a network interface for connecting the main IED. Each IED can realize information exchange through the above switch. The switch can leave a network interface to be interconnected with the process layer network of the substation. For the external networking of the present invention, the intelligent component IED that needs to communicate with the station control layer, such as the main IED, can be connected to the station control layer network through an independent network port, and the main IED that the intelligent component distribution unit needs to communicate with the process layer network of the substation is connected to the process layer network through the switch inside the component cabinet.

[0025] Meanwhile, for wireless sensor IEDs, the multi-state variable configurable substation equipment intelligent component wireless access function integrates sensor technology, communication technology, computer technology, and network technology, and has functions such as automatic networking, dynamic intelligence, and collaborative perception. The data of wireless sensing nodes is transmitted and aggregated to the intelligent component in real time, where the data is processed, analyzed, and the monitoring results are comprehensively evaluated.

[0026] The multi-state variable configurable substation equipment component complies with the high-voltage equipment communication and on-line monitoring technical specifications and standards. The intelligent component distribution unit can access monitoring signals such as monitoring types, communication protocols and interface types, and non-electric quantities, voltage, current, ambient temperature and humidity, dissolved gases in oil, partial discharge, core grounding current, SF6 density and humidity, arrester resistive current, etc. of the main equipment. It can meet the different demand differences for communication media such as optical cables and cables and different time delays of communication synchronization, the demand differences for communication interfaces such as serial ports and network ports, and the demand differences for communication protocols such as Modbus-RTU and Modbus-TCP / IP. Considering the feasibility and scalability of the application of the intelligent component distribution unit, this invention patent adopts intelligent component IEDs and communication boards in the form of buses and board modules, which can be freely combined through analog input / output modules, digital input / output modules, network switching modules, high-speed data acquisition modules based on FPGA, wireless data transmission and positioning modules (including WIFI, Bluetooth, ZIGBEE, GPRS / 3G / 4G, Beidou / GPS, etc.), protocol conversion modules, bus interface module series (including serial ports, CAN, Ethernet, etc.), and other specific function modules to realize the unified access and integration of different device different state variable data by the intelligent component distribution component.

[0027] In the above technical solution, the intelligent component distribution unit adopts a switch and is provided with a CAN bus interface module, an RS485 bus interface module, an Ethernet bus interface module, an analog interface module, a digital interface module, and related wireless communication interface modules. The above interface modules are used to connect the IEDs of each power equipment to obtain the status information of each power equipment; the IEDs of each power equipment realize information interaction through the intelligent component distribution unit; the intelligent component distribution unit is also provided with a network interface for connecting the main IED. At the same time, the main board interface of the main IED can transmit and process data with the hosts of other platforms.

[0028] In the above technical solution, each interface module of the intelligent component distribution unit is composed of an FPGA to form each data acquisition component, and the acquired data is stored in the SATA storage medium in each interface module through the SATA interface. The SATA interfaces of each interface module are electrically connected to the main IED's motherboard interface. Using an FPGA to form each data acquisition component has the capabilities of parallel computing and configurable high-bandwidth I / O, effectively collecting various protocol data and power information security data at the power site in parallel, improving the computing efficiency. At the same time, the low-power consumption characteristic of the FPGA device itself can effectively reduce energy consumption.

[0029] In the above technical solution, each interface module of the intelligent component distribution unit is connected to a high-precision global synchronous clock; the high-precision global synchronous clock is connected to each interface module in the form of frequency division and frequency multiplication through the clock management module to provide a clock for the counters in the FPGAs of each interface module; the FPGA collects and stores data by identifying each interface timing and sends the acquired data to the main IED through the SATA interface of each interface module. The driving timings of all modules of the multi-state variable configurable substation equipment intelligent component are realized through counters. According to the changes of each signal on each module designed as needed, the high-precision global clock is connected to the clock management module by using global clock synchronization.

[0030] In the above technical solution, the acquisition part of the multi-state variable configurable substation equipment intelligent component is based on SOPC parallel data acquisition, mainly realizing high-concurrency synchronous acquisition of high-density data and sparse data (such as RS485 protocol data, CAN bus protocol data, etc.). Each interface module of the intelligent component allocation unit includes an I / O subsystem, a memory subsystem, an embedded processor, and a user-defined logic module that are respectively electrically connected to the AXI internal bus. In the I / O subsystem, a hardware processing pipeline for network protocols from the physical layer to the transport layer is implemented, which can support the acquisition and processing of TCP / IP network data packets up to 10 Gbps, and at the same time support the acquisition and processing of sparse data. The I / O subsystem includes a storage module, a low-speed IO module, and a network module. The storage module includes a SATA storage medium and an SSD solid-state drive. The low-speed IO module is used to connect to the IED of the external power equipment to acquire data information, and the network module is used to obtain the control instructions of the user-defined logic module; an FPGA is integrated in the I / O subsystem; a SATA controller is integrated on each FPGA computing node to support high-speed non-volatile storage based on the SSD solid-state drive; the memory subsystem includes two double data rate synchronous dynamic random access memories and an off-chip static random access memory, and corresponding controllers are provided for the two double data rate synchronous dynamic random access memories and an off-chip static random access memory. The embedded processor and the AXI system bus serve as control modules, which are used to complete the initialization work of the system module and the peripheral module and the state control during operation, provide a driver interface based on AHCI (Serial ATA Advanced Host Controller Interface) for the SATA controller, and maintain a lightweight file system based on the SSD; the system module and the peripheral module of this part mainly include a memory subsystem, an IO subsystem, and a user-defined logic module. The user-defined logic module changes according to the logic of different parallel data acquisition state variables, uses the on-chip reconfigurable resources to hardware-accelerate the service logic of the application layer, and at the same time is optimized for specific applications. For the information security data of power equipment and the data acquisition of attack behaviors of information security vulnerabilities, a separate design and data isolation processing of the service logic are carried out.

[0031] The signal and bus simulation device of the multi-state variable configurable substation equipment intelligent component includes an Ethernet bus interface module, a CAN bus interface module, an RS485 bus interface module, an automation control system endpoint capture expansion module, a main board, a power supply, an expansion interface board, etc. The main board consists of a control unit based on the x86 architecture, which has a system memory of more than 16GB, and peripheral ports such as USB and Ethernet. It is connected to each interface module through the expansion bus via the expansion interface board. The expansion interface board is designed with four or more expansion slots with the same electrical interface. Each interface module can be randomly placed in the slot according to the access requirements of the substation equipment, so as to form various monitoring intelligent components with different functions. The expansion interface board integrates a low-jitter system clock, which is provided to each expansion module. Externally, it can access an external clock synchronization signal, and after demodulation, it is corrected with the output of the body's low-jitter clock.

[0032] Each of the above-mentioned interface modules uses an FPGA as the core unit of the overall component. The FPGA has customized data processing capabilities. Its processing delay can be strictly controlled, ensuring the low jitter of the sampling data timestamp. A high-stability crystal oscillator is used internally to provide the system clock for it, and a large-capacity SATA storage medium is selected to store programs and data. The direct provision of the SATA storage interface by the FPGA can effectively improve the memory access bandwidth, and the use of a RAID0 device in hardware further ensures the module's data storage capacity. The log-type storage file system is adopted in the data storage format, and a fast indexing mechanism is established according to the time series and frame packet type.

[0033] The FPGA module externally provides a system clock input interface, introduces its own counter to achieve the calibration of the global timestamp of the system time, and at the same time provides a high-speed communication interface for the host, so that the host can perform management and data reading and writing.

[0034] The integrated signal and bus simulation device structure and interface of the multi-state variable configurable substation equipment intelligent component adopts a pluggable board form as a whole. Various interfaces are provided to the substation equipment on the case of the state integrated machine, including Ethernet interfaces, USB interfaces, etc. The relevant services are directly processed on the main IED. At the same time, the provided Ethernet interface can facilitate local access to the local network to realize remote operation, data sharing, or join the clusterized automation control system logic analysis and security protection system.

[0035] In the system, the host deploys the automation control system logic analysis and security protection management, collects the data of each component and acquisition device, arranges them in an orderly manner according to the unified timestamp, supports serialized data analysis, data playback, and calculates functions such as the delay and delay jitter from data frame to data frame and from data frame to port. The bus simulation device generally adopts the design specification of a 1U chassis, and multiple devices can be cascaded to save more cabinet space occupied by the devices.

[0036] The present invention provides a power transformation device, characterized in that the power transformation device is configured with the above-mentioned multi-state variable configurable intelligent component of the power transformation device.

[0037] The present invention provides a method for monitoring power equipment in a substation, characterized by including the following steps: The sub-IED for monitoring the power equipment in the substation sends the collected corresponding power equipment status information to the main IED through the intelligent component distribution unit, and the main IED uploads the status information of each power equipment to the local processing unit. The local processing unit processes and analyzes the status information of each power equipment to judge the working status of each power equipment, and generates corresponding control commands through the main IED and the intelligent component distribution unit.

[0038] The present invention also provides a non-transitory computer-readable medium for a method of monitoring power equipment in a substation, including:

[0039] Instructions stored therein, wherein when the instructions are executed by one or more processors, the one or more processors are caused to execute the following method including:

[0040] The sub-IED for monitoring the power equipment in the substation sends the collected corresponding power equipment status information to the main IED through the intelligent component distribution unit, and the main IED uploads the status information of each power equipment to the local processing unit. The local processing unit processes and analyzes the status information of each power equipment to judge the working status of each power equipment, and generates corresponding control commands through the main IED and the intelligent component distribution unit.

[0041] The content not detailedly described in this specification belongs to the prior art well-known to those skilled in the art.

Claims

1. An intelligent component for a substation equipment with configurable multi-state quantities, characterized in that It includes an equipment layer, a process layer, and a station control layer; the equipment layer includes sub-IEDs for monitoring power equipment in the substation and an intelligent component distribution unit; the process layer includes a main IED; the station control layer includes a local processing unit; the sub-IEDs are electrically connected to the main IED via the intelligent component distribution unit, and the main IED is electrically connected to the local processing unit; The sub-IEDs send the collected corresponding power equipment status information to the main IED via the intelligent component distribution unit. The main IED uploads the status information of each power equipment to the local processing unit. The local processing unit processes and analyzes the status information of each power equipment to judge the working status of each power equipment and generates corresponding control commands to the monitoring main IED and the intelligent component distribution unit; The intelligent component distribution unit uses an automatic bus interface to identify and is provided with a CAN bus interface module, an RS485 bus interface module, an Ethernet bus interface module, an analog interface module, a digital interface module, and a related wireless communication interface module. The above interface modules are used to connect the IEDs of each power equipment to obtain the status information of each power equipment; the IEDs of each power equipment realize information interaction through the intelligent component distribution unit; the intelligent component distribution unit is also provided with a network interface for connecting the main IED; Each interface module of the intelligent component distribution unit includes an I / O subsystem, a memory subsystem, an embedded processor, and a user-defined logic module that are respectively electrically connected to the AXI internal bus; the I / O subsystem includes a storage module, a low-speed IO module, and a network module. The storage module includes a SATA storage medium and an SSD solid-state drive. The low-speed IO module is used to connect the IEDs of external power equipment to collect data information. The network module is used to obtain the control instructions of the user-defined logic module; an FPGA is integrated in the I / O subsystem; a SATA controller is integrated on each FPGA computing node to support high-speed non-volatile storage based on the SSD solid-state drive; the memory subsystem includes two double data rate synchronous dynamic random access memories and an off-chip static random access memory, and corresponding controllers are provided for the two double data rate synchronous dynamic random access memories and an off-chip static random access memory; the embedded processor and the AXI system bus are used as control modules to complete the initialization work of the I / O subsystem, the memory subsystem, and the user-defined logic module and the status control during operation, provide an AHCI-based driver interface for the SATA controller, and maintain a lightweight file system based on the SSD; The user-defined logic module changes according to the logic of different parallel data acquisition status quantities, uses the on-chip reconfigurable resources to hardware-accelerate the application layer business logic, and at the same time optimizes for specific applications. For the information security data of power equipment and the data acquisition of attack behaviors of information security vulnerabilities, separate designs and data isolation processing are carried out on the business logic.

2. The intelligent component of the multi-state variable configurable substation equipment according to claim 1, characterized in that Each interface module of the intelligent component distribution unit is composed of an FPGA to form each data acquisition component, and the collected data is stored in the storage medium within each interface module through the SATA interface. The SATA interfaces of each interface module are electrically connected to the main IED's motherboard interface.

3. The multi-state variable configurable substation equipment intelligent component according to claim 1, characterized in that Each interface module of the intelligent component distribution unit is connected to a high-precision global synchronous clock; The high-precision global synchronous clock is connected to each interface module in a frequency division and multiplication manner through the clock management module to provide a clock for the counters in the FPGA of each interface module; the FPGA collects and stores data by identifying each interface timing and sends the collected data to the main IED through the SATA interface of each interface module.

4. The intelligent component of the multi-state variable configurable substation equipment according to claim 1, characterized in that The main IED's motherboard consists of a control unit based on the x86 architecture, which has a system memory of more than 16GB and peripheral ports. The peripheral ports are connected to each interface module through an expansion bus via an expansion interface board; the expansion interface board is designed with four or more expansion slots with the same electrical interface, and each interface module can be randomly placed into the slots according to the access requirements of the substation equipment to form various monitoring intelligent components with different functions; the expansion interface board integrates a low-jitter system clock, provides it to each interface module, and can externally access an external clock synchronization signal, which is demodulated and then corrected with the output of the local low-jitter clock.

5. The multi-state variable configurable substation equipment intelligent component according to claim 1, characterized in that The intelligent component distribution unit further includes a control system endpoint capture module; the control system endpoint capture module includes a low-voltage 24-channel analog front-end processing module, an analog switch, an ADC module, an FPGA module, and a SATA storage medium; the control system endpoint capture module is used to capture the status of analog or digital quantities.

6. The intelligent component of a multi-state variable configurable power transformation device according to claim 1, characterized in that The intelligent component distribution unit is also provided with an Ethernet interface for local access to the local network to achieve remote operation, data sharing, or joining a clusterized automated control system logic analysis and security protection system.

7. The intelligent component of the multi-state variable configurable substation equipment according to claim 1, characterized in that Automated control system logic analysis and security protection management is deployed in the intelligent component distribution unit, which collects the data of each interface module, arranges them in an orderly manner according to a unified timestamp, supports serialized data analysis, data playback, and calculates the delay and delay jitter functions between data frames and between data frames and ports.

8. A power transformation device, characterized in that The substation equipment is configured with the multi-state variable configurable substation equipment intelligent component according to any one of claims 1-7.

9. A monitoring method for power equipment in a substation, characterized in that Based on: It is implemented according to the multi-state variable configurable substation equipment intelligent component according to any one of claims 1-7; it includes the following steps: the sub-IED for monitoring the power equipment in the substation sends the corresponding power equipment status information collected to the main IED through the intelligent component distribution unit, and the main IED uploads the status information of each power equipment to the local processing unit. The local processing unit processes and analyzes the status information of each power equipment to judge the working status of each power equipment, and generates corresponding control commands through the main IED and the intelligent component distribution unit.

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