Power distribution automation terminal automatic joint debugging acceptance system

Abstract

The invention discloses an automatic joint debugging acceptance system for a power distribution automation terminal, and relates to the technical field of power system automation. A multi-protocol communication module is in bidirectional communication with a main control module and an intelligent test execution module, so that three-way data interaction among a main station system, the power distribution terminal and a test device is realized; after receiving the instruction of the main control module, the intelligent test execution module outputs an analog quantity / state quantity signal conforming to the terminal interface standard through a self-adaptive quantity adding unit, and applies test excitation to the power distribution terminal through a hot plug type interface array; the data verification engine is directly connected with the multi-protocol communication module, carries out three-level verification on feedback data of the master station, and transmits a verification result back to the master control module to trigger strategy iteration; the cloud co-processing unit obtains verification data through the main control module and executes cross-regional task scheduling and block chain evidence storage operation, the long-standing problems of low efficiency and low precision of power distribution terminal joint debugging acceptance are solved, and key technical support is provided for construction of an intelligent power system.

Description

Technical Field

[0001] The present invention relates to the technical field of power system automation, and more specifically, to a distribution automation terminal automatic joint debugging and acceptance system. Background Art

[0002] The joint debugging and acceptance of distribution automation terminals refers to a standardized process that, after the installation of distribution terminals, through systematic testing and verification, ensures the collaborative working ability of the terminals with the master station system, primary equipment, and communication network, and finally meets the design requirements and is put into formal operation.

[0003] With the advancement of the intelligent construction of the distribution network, the number of distribution automation terminals has increased exponentially, and the limitations of the traditional manual joint debugging and acceptance mode have become increasingly prominent, specifically manifested as the following core problems:

[0004] Low efficiency and manual dependence

[0005] Traditional debugging relies on manual telephone signal verification. The acceptance of a single terminal takes a long time, and multi-department collaborative work is required, resulting in a long acceptance cycle and serious waste of resources.

[0006] In addition, in the prior art, manual operations are required for test parameter configuration, signal addition, etc. The test process is fragmented and full-process automation cannot be achieved. At the same time, the data accuracy is insufficient, and problems such as point table mismatch and timing logic error are prone to occur in manual verification, while the existing single-stage verification mechanism has a high missed detection rate.

[0007] In the prior art, a single communication channel design is prone to test interruption when the packet loss rate ≥ 5%, and there is a lack of encryption protection. Also, the test strategy in the prior art is fixed, cannot be dynamically optimized according to the power grid topology and historical fault data, and lacks a closed-loop feedback mechanism. At the same time, traditional acceptance reports rely on manual compilation and the formats are not unified.

[0008] Therefore, how to provide a distribution automation terminal automatic joint debugging and acceptance system is an urgent problem to be solved by those skilled in the art. Summary of the Invention

[0009] In view of this, the present invention provides a distribution automation terminal automatic joint debugging and acceptance system, which solves the long-standing problems of low efficiency and low accuracy in the field of distribution terminal joint debugging and acceptance, and provides key technical support for the construction of a smart power system.

[0010] In order to achieve the above object, the present invention adopts the following technical solutions:

[0011] A distribution automation terminal automatic joint debugging and acceptance system includes: a main control module, a multi-protocol communication module, an intelligent test execution module, a data verification engine, and a cloud collaborative processing unit;

[0012] Among them, the main control module is connected to the multi-protocol communication module through a dynamic rule generator, and is used to parse the terminal device model and generate a dynamic acceptance policy including a test sequence and an acceptance threshold;

[0013] The multi-protocol communication module communicates bidirectionally with the main control module and the intelligent test execution module, enabling three-way data interaction among the master station system, the distribution terminal, and the test device;

[0014] The intelligent test execution module includes an adaptive increment unit and a hot-pluggable interface array. After receiving the instruction from the main control module, the intelligent test execution module outputs analog / state signals that meet the terminal interface standard through the adaptive increment unit, and applies test incentives to the distribution terminal through the hot-pluggable interface array;

[0015] The data verification engine is directly connected to the multi-protocol communication module, performs three-level verification on the master station feedback data, and transmits the verification result back to the main control module to trigger policy iteration;

[0016] The cloud collaborative processing unit obtains the verification data through the main control module and executes cross-regional task scheduling and blockchain evidence storage operations.

[0017] The present invention breaks through the traditional manual telephone verification mode, realizes the automation of the test process, the main control module dynamically generates acceptance policies adapted to different terminal models, and combines the synchronous signal output ability of the intelligent test module to reduce the single-terminal acceptance time and meet the requirements of the smart power system for efficient acceptance.

[0018] Preferably, in the above-mentioned automatic joint debugging and acceptance system for distribution automation terminals, the dynamic rule generator can automatically generate differentiated acceptance policies according to the terminal type, grid topology parameters, and historical fault data, optimize the test steps through a strategy iteration mechanism driven by historical fault data, and reduce ineffective test links.

[0019] Preferably, in the above-mentioned automatic joint debugging and acceptance system for distribution automation terminals, the data verification engine includes a timing constraint analysis unit, and the timing constraint analysis unit is used to detect the transmission delay between the test signal output and the master station response; the adaptive increment unit is driven by a programmable logic controller, and the adaptive increment unit can dynamically switch between IEC 61850-9-2LE or FT3 format output according to the terminal model parameters issued by the main control module, and the clock source of its signal generator is synchronized with the timing constraint analysis unit using the IEEE 1588 Precision Time Protocol.

[0020] Preferably, in the above-mentioned automatic joint debugging and acceptance system for distribution automation terminals, the hot-pluggable interface array triggers the self-check function after being inserted into the distribution terminal, and uploads the contact resistance and insulation strength data to the abnormal monitoring unit of the main control module in real time.

[0021] The adaptive increment unit outputs by dynamically switching between IEC 61850-9-2LE / FT3 formats, is compatible with 12 types of terminal interfaces, and combines real-time monitoring of the contact resistance of the hot-swap interface to solve the time-consuming problem of traditional terminal wiring, significantly shortening the test signal configuration time and improving the signal output accuracy by

[0022] Preferably, in the above-mentioned automatic joint debugging and acceptance system for a distribution automation terminal, the data verification engine performs three-level verification, and the three-level verification process of the data verification engine forms a closed-loop control with the main control module.

[0023] Preferably, in the above-mentioned automatic joint debugging and acceptance system for a distribution automation terminal, the three-level verification of the data verification engine includes:

[0024] First-level verification: Verification of the point table consistency based on the hash algorithm; the first-level verification checks the point table data through the hash algorithm and triggers the main control module to retransmit the test instruction when an anomaly is found.

[0025] Second-level verification: Verification of the action logic within the timing constraint window; the second-level verification analyzes the action logic according to the timing window set by the main control module, and the timeout data triggers the cloud collaborative processing unit to call the historical case library; the second-level verification is executed by the timing constraint analysis unit, and the timing constraint analysis unit presets a maximum delay threshold of 200 ms. When the main station response timeout is detected, it triggers the adaptive increment unit to resend the test signal.

[0026] Third-level verification: Similarity matching analysis of the historical case library; the similarity matching result of the third-level verification is fed back to the dynamic rule generator to optimize the subsequent test strategy.

[0027] The third-level verification realizes multi-dimensional capture of data anomalies. The first-level verification identifies point table configuration errors. The second-level verification is completed within a timing window of ≤200 ms and is used to detect and locate action logic deviations. The third-level verification optimizes the strategy based on the historical case library, significantly improving the data anomaly detection rate.

[0028] Preferably, in the above-mentioned automatic joint debugging and acceptance system for a distribution automation terminal, the dynamic rule generator receives the three-level verification results of the data verification engine and the historical case library data of the cloud collaborative processing unit, generates a differentiated acceptance strategy in combination with the grid topology parameters, and issues the updated test sequence to the test execution module through the multi-protocol communication module.

[0029] Preferably, in the above-mentioned automatic joint debugging and acceptance system for a distribution automation terminal, the data interaction between the cloud collaborative processing unit and the main control module includes:

[0030] Receiving the acceptance task distributed by the main control module and realizing the load balancing of test resources through the edge computing node;

[0031] Write the verification result of the data verification engine to the blockchain evidence storage node and synchronize the data with the multi-vendor compatibility knowledge base.

[0032] Preferably, in the above-mentioned automatic joint debugging and acceptance system for distribution automation terminals, the multi-protocol communication module adopts a dual-channel redundant design. The main channel transmits protocol messages based on fiber optic Ethernet, and the backup channel transmits encrypted telemetry data through a 5G slice network.

[0033] The dual-channel heterogeneous communication design solves the problem of easy blockage of traditional single channels. The main channel ensures the high-reliability transmission of IEC 60870-5-104 protocol messages, and the backup channel realizes the low-latency transmission of encrypted telemetry data through a 5G slice network. The main-backup switching time ≤ 50ms, and the communication packet loss rate is significantly reduced, significantly improving the data interaction stability between the master station, terminal and test device.

[0034] Preferably, in the above-mentioned automatic joint debugging and acceptance system for distribution automation terminals, the main control module is built-in with a standardized report generation module. After receiving the verification result of the data verification engine, the standardized report generation module calls the device parameters stored in the main control module to generate an XML-format report; associates the verification exception data with the fault diagnosis knowledge graph to generate a visual PDF report containing repair suggestions.

[0035] The structured data in the XML-format report supports direct parsing by the master station system. The PDF visual report integrates fault location guidance, reducing the fault handling time.

[0036] It can be seen from the above technical solutions that compared with the prior art, the present invention discloses an automatic joint debugging and acceptance system for distribution automation terminals. The present invention realizes the full-process optimization of the joint debugging and acceptance of distribution terminals through the integration of a modular collaborative architecture and intelligent technology. The system adopts dynamic policy generation and multi-protocol communication redundancy design, and the single-terminal acceptance time is significantly reduced. Through the hot-swappable interface array, the wiring configuration time is significantly reduced. Cross-regional cloud collaborative task scheduling supports parallel acceptance of multiple terminals, improving resource utilization.

[0037] The system of the present invention constructs a three-level data verification mechanism, including hash algorithm point table verification, timing constraint analysis and historical case library matching, and the data anomaly detection rate is increased to 99.99%. Through blockchain evidence storage technology, the acceptance data is traceable, avoiding the risk of omissions in manual verification. Brief Description of the Drawings

[0038] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only the embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other accompanying drawings can also be obtained based on the provided drawings.

[0039] Figure 1 The accompanying drawing is a structural schematic diagram of the present invention. Specific embodiments

[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0041] The embodiment of the present invention discloses a distribution automation terminal automatic joint debugging and acceptance system, including: a main control module, a multi-protocol communication module, an intelligent test execution module, a data verification engine, and a cloud collaborative processing unit;

[0042] Among them, the main control module is connected to the multi-protocol communication module through a dynamic rule generator, and is used to parse the terminal device model and generate a dynamic acceptance strategy including a test sequence and an acceptance threshold;

[0043] The multi-protocol communication module communicates bidirectionally with the main control module and the intelligent test execution module, enabling three-way data interaction between the master station system, the distribution terminal, and the test device;

[0044] The intelligent test execution module includes an adaptive increment unit and a hot-swappable interface array. After receiving the instruction from the main control module, the intelligent test execution module outputs analog / status signals that meet the terminal interface standard through the adaptive increment unit, and applies test incentives to the distribution terminal through the hot-swappable interface array;

[0045] The data verification engine is directly connected to the multi-protocol communication module, performs three-level verification on the master station feedback data, and returns the verification result to the main control module to trigger policy iteration;

[0046] The cloud collaborative processing unit obtains the verification data through the main control module, and performs cross-regional task scheduling and blockchain evidence storage operations.

[0047] The present invention breaks through the traditional manual telephone verification mode, realizes the automation of the test process, the main control module dynamically generates an acceptance strategy adapted to different terminal models, and combines the synchronous signal output ability of the intelligent test module to reduce the single-terminal acceptance time and meet the requirements of the smart power system for efficient acceptance.

[0048] To further optimize the above technical solution, the dynamic rule generator can automatically generate differentiated acceptance strategies based on the terminal type, grid topology parameters, and historical fault data, optimize the test steps through a strategy iteration mechanism driven by historical fault data, and reduce ineffective test links.

[0049] To further optimize the above technical solution, the data verification engine includes a timing constraint analysis unit, which is used to detect the transmission delay between the test signal output and the master station response; the adaptive increment unit is driven by a programmable logic controller. The adaptive increment unit can dynamically switch the output of IEC61850-9-2LE or FT3 format according to the terminal model parameters issued by the main control module, and the clock source of its signal generator is synchronized with the timing constraint analysis unit using the IEEE 1588 Precision Time Protocol.

[0050] To further optimize the above technical solution, the hot-swap interface array triggers the self-check function after being inserted into the distribution terminal, and uploads the contact resistance and insulation strength data to the abnormal monitoring unit of the main control module in real time.

[0051] The adaptive increment unit dynamically switches the output of IEC 61850-9-2LE / FT3 format, is compatible with 12 types of terminal interfaces, combines the real-time monitoring of the contact resistance of the hot-swap interface, solves the time-consuming problem of traditional terminal wiring, significantly shortens the test signal configuration time, and improves the signal output accuracy.

[0052] To further optimize the above technical solution, the data verification engine implements three-level verification, and the three-level verification process of the data verification engine forms a closed-loop control with the main control module.

[0053] To further optimize the above technical solution, the three-level verification of the data verification engine includes:

[0054] First-level verification: Verification of the point table consistency based on the hash algorithm; the first-level verification checks the point table data through the hash algorithm, and triggers the main control module to retransmit the test instruction when an abnormality is found;

[0055] Second-level verification: Verification of the action logic within the timing constraint window; the second-level verification analyzes the action logic according to the timing window set by the main control module, and the timeout data triggers the cloud collaborative processing unit to call the historical case library; the second-level verification is executed by the timing constraint analysis unit, and the timing constraint analysis unit presets a maximum delay threshold of 200ms. When the master station response timeout is detected, it triggers the adaptive increment unit to retransmit the test signal;

[0056] Third-level verification: Similarity matching analysis of the historical case library; the similarity matching result of the third-level verification is fed back to the dynamic rule generator to optimize the subsequent test strategy.

[0057] Three-level verification realizes multi-dimensional capture of data anomalies. The first-level verification identifies configuration errors in the point table. The second-level verification is completed within a timing window of ≤200 ms and is used to detect and locate action logic deviations. The third-level verification optimizes the strategy based on the historical case library, significantly improving the data anomaly detection rate.

[0058] To further optimize the above technical solution, the dynamic rule generator receives the three-level verification results of the data verification engine and the historical case library data of the cloud collaborative processing unit, generates a differential acceptance strategy in combination with the power grid topology parameters, and issues the updated test sequence to the test execution module through the multi-protocol communication module.

[0059] To further optimize the above technical solution, the data interaction between the cloud collaborative processing unit and the main control module includes:

[0060] Receiving the acceptance tasks distributed by the main control module and achieving test resource load balancing through edge computing nodes;

[0061] Writing the verification results of the data verification engine into the blockchain evidence storage node and synchronizing data with the multi-vendor compatibility knowledge base.

[0062] To further optimize the above technical solution, the multi-protocol communication module adopts a dual-channel redundant design. The main channel transmits protocol messages based on fiber optic Ethernet, and the backup channel transmits encrypted telemetry data through a 5G slice network.

[0063] The dual-channel heterogeneous communication design solves the problem of easy blockage of traditional single channels. The main channel ensures the high-reliability transmission of IEC 60870-5-104 protocol messages, and the backup channel realizes the low-latency transmission of encrypted telemetry data through a 5G slice network. The main-backup switching time is ≤50 ms, and the communication packet loss rate is significantly reduced, significantly improving the data interaction stability between the master station, terminal, and test device.

[0064] To further optimize the above technical solution, the main control module is built-in with a standardized report generation module. After receiving the verification results of the data verification engine, the standardized report generation module calls the device parameters stored in the main control module to generate an XML format report; associates the verification exception data with the fault diagnosis knowledge graph and generates a visual PDF report containing repair suggestions.

[0065] The structured data in the XML format report supports direct parsing by the master station system. The PDF visual report integrates fault location guidance, reducing the fault handling time.

[0066] Technical principle:

[0067] This system is based on the integration of a modular collaborative architecture and intelligent technologies. Through a closed-loop technology chain of dynamic policy generation - multi-protocol communication - multi-level verification - cloud collaboration, it realizes the full-process automation and high-precision control of the joint debugging and acceptance of distribution terminals. The core technical principles can be summarized into the following four parts:

[0068] 1. Dynamic Policy Generation and Adaptive Testing

[0069] The system adopts a dynamic policy generation mechanism driven by a rule engine. By parsing the terminal model, power grid topology, and historical case library, it automatically generates customized test sequences. The core algorithm integrates a decision tree model and time-series constraint analysis, optimizing test steps in real time and reducing repeated tests. At the same time, the adaptive increment unit supports dynamic switching between IEC 61850-9-2LE / FT3 formats, combined with the IEEE 1588 clock synchronization protocol, ensuring that the time-series error between the test signal and the master station response is ≤ ±1ms.

[0070] 2. Multi-Protocol Communication and Security Redundancy Mechanism

[0071] The system constructs a dual-channel redundant communication architecture, integrating fiber optic Ethernet and 5G slice networks. The switching time between the primary and backup channels is ≤ 50ms, and the communication packet loss rate is reduced from 5% in the traditional mode to 0.1%. Blockchain evidence storage technology realizes the tamper-proof storage of acceptance data, and the response time for evidence query is ≤ 2 seconds.

[0072] 3. Multi-Level Data Verification and Intelligent Analysis

[0073] The system improves data reliability through a three-level verification engine, which has a high data anomaly detection rate and a low missed detection rate.

[0074] 4. Cloud Collaboration and Resource Optimization

[0075] The system adopts an edge-cloud collaborative computing architecture. Edge nodes are responsible for real-time data processing, and the cloud performs big data analysis and policy iteration. Through load balancing technology, cross-regional task scheduling is realized, and resource utilization is effectively improved. At the same time, the standardized report module automatically generates XML / PDF dual-format documents based on GB / T 30149, significantly shortening the fault location time.

[0076] This system takes dynamic policy optimization as the core, and through multi-protocol compatibility, secure redundant communication, and intelligent verification mechanisms, constructs a closed-loop technology system for the joint debugging and acceptance of distribution terminals. The innovation of its principle is reflected in the deep integration of protocol dynamic adaptation, precise time-series control, and multi-dimensional data verification, solving problems such as low efficiency, poor accuracy, and weak security in the traditional mode, and providing efficient and reliable technical support for the construction of smart power systems.

[0077] In the present specification, the various embodiments are described in a progressive manner. Each embodiment focuses on the differences from other embodiments. For the identical or similar parts among the various embodiments, reference can be made to each other. For the apparatuses disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple. For the relevant parts, reference can be made to the description in the method section.

[0078] The foregoing description of the disclosed embodiments enables those skilled in the art to practice or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An automatic joint debugging and acceptance system for distribution automation terminals, characterized in that, It includes: a main control module, a multi - protocol communication module, an intelligent test execution module, a data verification engine, and a cloud collaborative processing unit; Among them, the main control module is connected to the multi - protocol communication module through a dynamic rule generator, and is used to parse the terminal device model and generate a dynamic acceptance strategy including a test sequence and an acceptance threshold; The multi - protocol communication module communicates bidirectionally with the main control module and the intelligent test execution module, enabling three - way data interaction among the master station system, the distribution terminal, and the test device; The intelligent test execution module includes an adaptive increment unit and a hot - swappable interface array. After receiving the instruction from the main control module, the intelligent test execution module outputs analog / state quantity signals that meet the terminal interface standard through the adaptive increment unit, and applies test incentives to the distribution terminal through the hot - swappable interface array; The data verification engine is directly connected to the multi - protocol communication module, performs three - level verification on the master station feedback data, and returns the verification result to the main control module to trigger policy iteration; The cloud collaborative processing unit obtains the verification data through the main control module and executes cross - regional task scheduling and blockchain evidence storage operations.

2. The automatic joint debugging and acceptance system for a distribution automation terminal according to claim 1, characterized in that, The dynamic rule generator can automatically generate a differentiated acceptance strategy based on the terminal type, grid topology parameters, and historical fault data.

3. The automatic joint debugging and acceptance system for a distribution automation terminal according to claim 1, wherein, The data verification engine includes a timing constraint analysis unit, which is used to detect the transmission delay between the test signal output and the master station response; the adaptive increment unit is driven by a programmable logic controller. The adaptive increment unit can dynamically switch between IEC 61850 - 9 - 2LE or FT3 format output according to the terminal model parameters issued by the main control module, and the clock source of its signal generator is synchronized with the timing constraint analysis unit using the IEEE 1588 precise time protocol.

4. The automatic joint debugging and acceptance system for a distribution automation terminal according to claim 1, characterized in that, The hot - swappable interface array triggers the self - test function after being inserted into the distribution terminal, and uploads the contact resistance and insulation strength data to the abnormal monitoring unit of the main control module in real time.

5. The automatic joint debugging and acceptance system for a distribution automation terminal according to claim 2, wherein The data verification engine performs three - level verification, and the three - level verification process of the data verification engine forms a closed - loop control with the main control module.

6. The automatic joint debugging and acceptance system for a distribution automation terminal according to claim 5, characterized in that The three - level verification of the data verification engine includes: First - level verification: Verification of the point - table consistency based on the hash algorithm; the first - level verification checks the point - table data through the hash algorithm, and when an abnormality is found, it triggers the main control module to re - transmit the test instruction; Second - level verification: Verification of the action logic within the timing constraint window; the second - level verification analyzes the action logic according to the timing window set by the main control module. When the timeout data is detected, it triggers the cloud collaborative processing unit to call the historical case library; the second - level verification is executed by the timing constraint analysis unit, and the timing constraint analysis unit presets a maximum delay threshold of 200ms. When the master station response timeout is detected, it triggers the adaptive increment unit to re - transmit the test signal; Third - level verification: Similarity matching analysis of the historical case library; the similarity matching result of the third - level verification is fed back to the dynamic rule generator to optimize the subsequent test strategy.

7. The automatic joint debugging and acceptance system for a distribution automation terminal according to claim 6, wherein, The dynamic rule generator receives the three - level verification result of the data verification engine and the historical case library data of the cloud collaborative processing unit, generates a differentiated acceptance strategy in combination with the grid topology parameters, and issues the updated test sequence to the test execution module through the multi - protocol communication module.

8. A power distribution automation terminal automatic joint debugging and acceptance system according to claim 1, characterized in that, The data interaction between the cloud collaborative processing unit and the main control module includes: Receive the acceptance tasks distributed by the master control module and achieve test resource load balancing through edge computing nodes; Write the verification results of the data verification engine into the blockchain evidence storage node and synchronize data with the multi-vendor compatibility knowledge base.

9. The automatic joint debugging and acceptance system for a distribution automation terminal according to claim 1, characterized in that, The multi-protocol communication module adopts a dual-channel redundant design. The main channel transmits protocol messages based on fiber optic Ethernet, and the backup channel transmits encrypted telemetry data through a 5G slice network.

10. A power distribution automation terminal automatic joint debugging and acceptance system according to claim 1, characterized in that, The master control module is built-in with a standardized report generation module. After receiving the verification results of the data verification engine, the standardized report generation module calls the device parameters stored in the master control module to generate a report in XML format; Associate the verification exception data with the fault diagnosis knowledge graph and generate a visual PDF report containing repair suggestions.

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