A new energy grid-connected test system
Through the combination of the new energy test management platform and the new energy operation control mobile test system, the new energy grid-connected fully automated testing has been achieved, solving the problem that existing systems cannot achieve full automation and unified testing, and improving the testing efficiency and quality inspection capabilities .
Patent Information
- Application Number
- CN202111383770.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-11-19
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2041-11-19
AI Technical Summary
The existing new energy grid-connected testing system cannot achieve full automation, is time-consuming and labor-intensive, and cannot meet the requirements of the rapid development of new energy for quality inspection capabilities. Moreover, for different types of new energy power stations, the testing system cannot be unified.
Provide a new energy grid-connected test system, including a new energy test management platform and a new energy operation control mobile test system. Test tasks are issued through the new energy test management platform, and the new energy operation control mobile test system call frequency signal generation module and high The accuracy data acquisition module carries out automated grid-connected testing, outputs test results, and performs quality testing through the test result determination module.
It has realized the fully automated setup of new energy grid connection, improved testing efficiency, and was able to uniformly test different types of new energy power stations to meet the requirements of the rapid development of new energy for quality inspection capabilities.
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Figure CN114123321B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of new energy power station testing, and in particular to a new energy grid-connected testing system. Background Art
[0002] Experts and scholars at home and abroad have conducted in-depth research on the new energy grid-connected test system. In the prior art, patent CN201220658292.4 proposed a wind turbine grid-connected performance test system based on an industrial computer, patent CN201611178306.1 proposed a photovoltaic power station grid-connected remote test method and system based on the Internet, and patent CN201510907106.4 proposed a wind-solar combined power generation system grid-connected performance test method. However, the above technologies have the problems of single test system, low integration and automation. When conducting grid-connected tests on new energy power stations, it is impossible to fully automate the primary frequency modulation, automatic generation control (AGC) and automatic voltage control (AVC) test processes, which consumes time and manpower and cannot meet the requirements of the rapid development of new energy for quality detection capabilities. In addition, the test system methods cannot be unified for different types of new energy power stations. Summary of the invention
[0003] The purpose of the present invention is to provide a new energy grid-connected test system to achieve fully automated settings for new energy grid-connected, thereby solving the problem that the test system cannot perform unified testing due to testing different types of new energy power stations.
[0004] To achieve the above-mentioned object, the present invention provides a new energy grid-connected test system, comprising: a new energy test management platform and a new energy operation control mobile test system, wherein the new energy test management platform is connected to the new energy operation control mobile test system;
[0005] The new energy test management platform is used to select a test template to establish a test task, and transmit the test task to the new energy operation control mobile test system. The new energy operation control mobile test system receives the test task and generates a determination result and transmits it to the new energy test management platform;
[0006] The new energy operation control mobile test system includes a frequency signal generation module and a high-precision data acquisition module, the frequency signal generation module and the high-precision data acquisition module are connected, and the new energy operation control mobile test system calls the frequency signal generation module and the high-precision data acquisition module to perform an automated grid-connected test according to the received test task, and outputs the test result;
[0007] The new energy operation control mobile test system also includes a test result determination module, which is used to receive the test result, perform quality inspection on the test result according to the diagnostic model in the test result determination module, and output the determination result.
[0008] Preferably, the new energy test management platform includes a model management module and a test task management module. The model management module is connected to the test task management module. The model management module is used to aggregate the new energy model warehouses uploaded by all mobile test systems and establish a new energy model management warehouse. The test task management module is used to establish the test task after successfully matching the new energy electric field model to be tested with the new energy model management warehouse.
[0009] Preferably, the new energy test management platform also includes a test standard management module, which is connected to the test task management module, and is used to provide templated test content management, automated test process management and customized test standard management for the test task management module.
[0010] Preferably, the new energy test management platform also includes a determination result management module, which is respectively connected to the test task management module and the new energy operation control mobile test system, and is used to receive the determination results and perform intelligent analysis of the determination results and determination report management.
[0011] Preferably, the new energy operation control mobile test system also includes a test task synchronization management module, a test task execution module and a test result judgment module. The test task synchronization management module is connected to the test task execution module, and the test task execution module is connected to the test result judgment module. The test task synchronization management module is used to receive the test task, monitor the test process, and transmit the test items that fail the test back to the new energy test management platform.
[0012] Preferably, the test task execution module is connected to the frequency signal generating module, and the test task execution module outputs a frequency instruction upon detecting a signal generating a frequency change in the test task, and the frequency signal generating module is used to receive the frequency instruction and start the frequency modulation dynamic performance test.
[0013] Preferably, the new energy operation control mobile test system also includes a judgment report generation module and a judgment result reporting module, the judgment report generation module is connected to the test result judgment module, the judgment report generation module is connected to the judgment result reporting module, and the judgment result reporting module is connected to the judgment result management module.
[0014] Preferably, a new energy grid-connected test system further includes an electric field module to be tested, wherein the electric field module to be tested is connected to the new energy operation control mobile test system, and the electric field module to be tested is connected to the new energy operation control mobile test system via automatic power generation control.
[0015] Preferably, the new energy operation control mobile test system further comprises a new energy electric field data access module, the new energy electric field data access module is connected to the electric field module to be tested, and the new energy electric field data access module adopts a dual-channel redundant access method.
[0016] Preferably, the new energy test management platform further comprises a system interface module, wherein the system interface module is used to interconnect with the new energy operation control mobile test system, and the system interface module is used to provide an interface for sample data transmission.
[0017] Compared with the prior art, the beneficial effects of the present invention are:
[0018] The present invention provides a new energy grid-connected test system, comprising a new energy test management platform and a new energy operation control mobile test system. According to the test tasks issued by the new energy test management platform, the new energy operation control mobile test system receives the test tasks and calls a frequency signal generation module and a high-precision data acquisition module to perform automated grid-connected tests and output test results. The new energy operation control mobile test system also includes a test result judgment module for diagnosing and analyzing the test results, further controlling the quality, outputting judgment results, and improving the test efficiency of the new energy grid-connected test system. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the implementation mode will be briefly introduced below. Obviously, the drawings described below are only some implementation modes of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0020] Figure 1 It is a structural schematic diagram of a new energy grid-connected testing system provided by a certain embodiment of the present invention;
[0021] Figure 2 It is a structural schematic diagram of a new energy grid-connected testing system provided by another embodiment of the present invention. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0023] It should be understood that the step numbers used in this document are only for convenience of description and are not intended to limit the order in which the steps are executed.
[0024] It should be understood that the terms used in the present specification are only for the purpose of describing specific embodiments and are not intended to limit the present invention. As used in the present specification and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.
[0025] The terms “include” and “comprising” indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.
[0026] The term "and / or" means and includes any and all possible combinations of one or more of the associated listed items.
[0027] See also Figure 1 A certain embodiment of the present invention provides a new energy grid-connected test system, including: a new energy test management platform 100 and a new energy operation control mobile test system 200, the new energy test management platform 100 is connected to the new energy operation control mobile test system 200, the new energy test management platform 100 is used to select a test template to establish a test task, and transmit the test task to the new energy operation control mobile test system 200, the new energy operation control mobile test system 200 receives the test task and generates a judgment result and transmits it to the new energy test management platform 100, the new energy operation control mobile test system 200 includes a frequency signal generation module 26 and a high-precision data acquisition module 27, the frequency signal generation module 26 and the high-precision data acquisition module 27 are connected, the new energy operation control mobile test system 200 calls the frequency signal generation module 26 and the high-precision data acquisition module 27 according to the received test task to perform an automated grid-connected test and output the test result, the new energy operation control mobile test system 200 also includes a test result judgment module 23, the test result judgment module 23 is used to receive the test result, and perform quality detection on the test result according to the diagnostic model in the test result judgment module 23, and output the judgment result.
[0028] Specifically, the new energy test management platform 100 reserves an interface with the provincial / local dispatching main station to realize the grid-related tests and grid-connected detection of new energy power plants, complete the standardization of new energy power grid models and data, and realize the smooth access of newly built new energy power plants to the OCS operation system without debugging. The new energy operation control mobile test system 200 realizes convenient detection of new energy grid connection through intelligent detection steps and means such as customization, self-execution, and self-evaluation of the detection content of the test tasks.
[0029] See also Figure 2 , the new energy test management platform 100 includes a test standard management module 13, a model management module 11, a test task management module 14, a judgment result management module 15 and a system interface module 12. The model management module 11 is connected to the test task management module 14. The model management module 11 is used to summarize the new energy model warehouse uploaded by all mobile test systems and establish a new energy model management warehouse. The test task management module 14 is used to establish a test task after successfully matching the new energy electric field model to be tested with the new energy model management warehouse. The test standard management module 13 is connected to the test task management module 14. The test standard management module 13 is used to provide templated test content management, automated test process management and customized test standard management for the test task management module 14. The judgment result management module 15 is connected to the test task management module 14 and the new energy operation control mobile test system 200 respectively, and is used to receive the judgment result and perform intelligent analysis of the judgment result and judgment report management. The system interface module 12 is used to interconnect with the new energy operation control mobile test system 200, and the system interface module 12 is used to provide an interface for sample data transmission.
[0030] Specifically, the functions of the test standard management module 13 include templated test content management, automated test process management, and customized test standard management. Specifically, templated test content management includes templated management of offshore wind power test content. For different new energy models, suitable test templates are selected to establish test tasks, and the newly created custom test content uploaded by the mobile test system is synchronized to form a new test content template, and is entered into the test content template library, providing an offshore wind power test template configuration interface for adding, deleting, modifying, and selecting test templates. Automated test process management includes recording and tracking each link in the test process after the test is distributed, ensuring that the test process is automatically executed, the test results are automatically generated, minimizing the interference of human factors during the test, improving the accuracy and credibility of the test, and recording defects in the test process into the defect management tool. Customized test standard management includes researching and formulating systematic closed-loop detection standards, including standardization of detection content, standardization of detection processes, standardization of operating procedures, etc.
[0031] The test tasks are divided into full inspection tasks and random inspection tasks. The full inspection tasks are based on the inspection of the new energy power plant before it is first connected to the grid, and the random inspection tasks are for users to separately formulate test items for a certain wind farm that has been put into operation. The tasks are random and flexible.
[0032] The functions of the test task management module 14 include test task generation management, test task dispatch management and test task process monitoring, wherein the test task generation management includes formulating and selecting the corresponding new energy electric field model and test content template to establish the test task. The test task dispatch management includes dispatching the test task to the corresponding new energy operation control mobile test system 200. The test task process monitoring includes realizing the whole process monitoring of the mobile terminal test task execution process, realizing the task-based online intelligent test of new energy, and completing the closed-loop management of the test task from generation to completion.
[0033] The functions of the judgment result management module 15 include intelligent analysis of judgment results and management of judgment reports, wherein the intelligent analysis of judgment results stores the test data of all inspected new energy power plants in an orderly manner in the offshore wind power test management platform, and performs intelligent analysis on the test data uploaded synchronously by the operation control test system of the new energy power plant. The judgment report management generates judgment results and judgment reports of different test items based on the test data, stores the judgment reports of all inspected new energy power plants in an orderly manner in the offshore wind power test management platform, and browses and reads the judgment reports of new energy power plants according to the authority division.
[0034] The functions of the model management module 11 include drawing and building the model of the new energy power field according to the grid-connected scale information of the tested new energy power field, collecting and summarizing the new energy model warehouse uploaded by all mobile test systems, and establishing a new energy model management warehouse with unified standards. Select the corresponding model from the new energy model warehouse to match and distribute the test tasks.
[0035] Establish the grid-connected model of the inspected new energy power station, manage the new energy model effectively, establish a new energy model with universal standards, and provide convenience and guarantee for the smooth grid connection of offshore wind farms. The new energy model has the functions of real-time display, statistics, operation, etc., reflecting the system network architecture of the tested new energy power station and the real-time information of each key node. The operation and monitoring interface of the model is clear and clear, easy to monitor and operate, and has the function of preventing misoperation. The model system has the function of performing simple topological analysis and calculation. Model import and export, the system has the function of model import and export, which can not only import the model provided by the new energy power station, but also realize the export of the panoramic model, and export it to the Central Dispatch through the standard model specifications of the power grid and the Southern Power Grid. General search function, the panoramic model management tool provides a general search function, which can query any model table, and can construct query conditions for any field of any model table, and the query conditions support the logical operators of "and", "or", and "not" to form complex conditions.
[0036] The system interface module 12 is mainly used for the interface between the offshore wind farm network-related test mobile test system and the offshore wind farm test management platform, as follows:
[0037] 1) Operator VPN private network. The new energy operation control mobile test system 200 can complete the real-time synchronization of various test models, test results, test analysis reports and other information with the new energy test management platform 100 through the wireless VPN private network channel, and add security encryption devices at both ends of the transmission. The new energy test management platform completes the monitoring and management of the test automation process through the wireless VPN private network. Fiber channel. When the wireless signal conditions are not available, the new energy operation control mobile test system 200 can communicate with the new energy test management platform 100 through the fiber channel to complete the synchronization of various test models, test results, test analysis reports and other information.
[0038] 2) Local / provincial dispatch master station interface (reserved). Reserve the interface with the local / provincial dispatch master station, upload the offshore wind farm power grid model that has passed the test to the local / provincial dispatch through the standard CIM / XMI file, and publish the graphics to the local / provincial dispatch in the standard SVG format. The interface adopts the message queue of the JMS message server to replace the traditional front-end network channel, and designs a transmission message format based on the E format, which replaces the 104 protocol or TASAE2 protocol for data forwarding between traditional master stations, and finally realizes a lightweight new energy electric field model data publishing function.
[0039] See also Figure 2The new energy operation control mobile test system 200 includes a frequency signal generation module 26, a high-precision data acquisition module 27, a test task synchronization management module 21, a test task execution module 22, a test result determination module 23, a determination report generation module 24, a determination result reporting module 25 and a new energy electric field data access module 28. The test task synchronization management module 21 is connected to the test task execution module 22, and the test task execution module 22 is connected to the test result determination module 23. The test task synchronization management module 21 is used to receive the test task, monitor the test process, and return the test items that fail the test to the new energy test management platform 100. The test task execution module 22 is connected to the frequency signal generation module 26. The test task execution module 22 outputs a frequency instruction for the signal that detects the frequency change in the test task. The frequency signal generation module 26 is used to receive the frequency instruction and start the frequency modulation dynamic performance test. The determination report generation module 24 is connected to the test result determination module 23, and the determination report generation module 24 is connected to the determination result reporting module 25, and the determination result reporting module 25 is connected to the determination result management module 15. The new energy electric field data access module 28 is connected to the electric field module to be tested 300, and the new energy electric field data access module 28 adopts a dual-channel redundant access mode. The new energy grid-connected test system also includes an electric field module to be tested 300, which is connected to the new energy operation control mobile test system 200, and the electric field module to be tested 300 is connected to the new energy operation control mobile test system 200 via automatic power generation control.
[0040] Specifically, the new energy operation control mobile test system 200 generates a frequency change signal on the grid connection point of the tested new energy electric field through the frequency signal generating module 26, thereby realizing a primary frequency modulation dynamic performance test, and at the same time, forms a linkage with the high-precision data acquisition module 27. The output result of the high-precision data acquisition module 27 is compared with the communication acquisition signal of the mobile test system to jointly complete the primary frequency modulation and other tests.
[0041] The frequency signal generating module 26 is a three-phase four-wire output, with a voltage output range wider than 0 to 130 V, an output voltage error not exceeding ±0.1%, a frequency output range wider than 1 to 100 Hz, a frequency error not higher than 0.001 Hz, a phase output range of 0 to 360°, a phase output error not exceeding ±0.05°, a signal generation period not exceeding 100 ms, and is capable of editing voltage and frequency curves.
[0042] The high-precision data acquisition module 27 enables the mobile test system 200 for new energy operation control to obtain more accurate data such as current, voltage, power and frequency on the primary side. The accuracy of the transformer used to collect voltage and current is not less than 0.1 level, the sampling frequency is not less than 20kHz, and the bandwidth is not less than 2.5kHz. By comparing and analyzing the primary sampling results of the high-precision data acquisition module 27 with the communication acquisition signal of the mobile test system, the new energy grid connection test is completed together. The high-precision data sampling circuit collects the three-phase voltage and three-phase current on the primary side through a high-precision snap-on CT / PT sensor. The basic data such as voltage, current, and phase angle are calculated through the FFT (Fast Fourier Transform) / DFT (Discrete Fourier Transform) algorithm. The voltage, current, and phase angle data are used to calculate the active power, reactive power, total active power, and total reactive power of each sub-item, and the positive and negative active power are calculated cumulatively, and the power factor of each phase and the total power factor are calculated. The 3rd to 13th harmonic content rate, active and reactive demand, voltage and current imbalance rate, etc. are calculated.
[0043] The new energy electric field data access module 28 and the new energy operation control mobile test system 200 mainly include interconnection with the new energy electric field plant and station system, collecting relevant real-time information, and providing sample data for the test system. It can input and store new energy test communication models, support mainstream communication protocols and protocols, and the new energy electric field network-related test mobile test system supports DL / T 634.5.101-2002, DL / T 634.5.104-2009, MODBUS, IEC61850, IEC60870-5-101 / 104, DISA, CDT, DNP and other communication protocols and protocols, completes various information exchanges with the wind farm and data communication with the new energy electric field plant and station system, and supports system-level data access such as CIM, SVG, and E formats of the southern standard.
[0044] The new energy electric field data access module 28 can realize information interaction with the new energy electric field, ensure the standardization of information exchange, and complete the collection of real-time information of the offshore wind farm to be tested. Complete the sending, receiving and preprocessing of data, and support the storage and query of data. It can conveniently and flexibly add support for new media and new protocols as needed. Flexible protocol library support, using support to expand various unknown communication protocols in a plug-in manner, realize plug-and-play of protocol plug-ins, add new protocols without modifying the original program architecture, only need to develop a new protocol plug-in library, realize data communication with various related systems of the test system master station and the test system plant station, and can conveniently and flexibly add support for new media and new protocols as needed. The interface design adopts corresponding software and hardware fault tolerance and anti-interference measures to ensure the normal communication between the system and the equipment. The interface communication scheme adopts a hardware encryption device, and the software supports dual-channel redundant access mode to ensure the normal communication between the system and the equipment.
[0045] The functions of the test task synchronization management module 21 include synchronizing the test tasks assigned by the test management platform, obtaining the assigned test tasks from the test management platform through mobile network encrypted communication or optical fiber, or downloading the assigned test tasks synchronously in the laboratory before the test. It also includes test task process monitoring, real-time synchronization with the test management platform, real-time monitoring of the various test task processes of the new energy electric field network-related test, and real-time viewing of the current test task test data and test logs. For test items that fail the test, the relevant test data can be uploaded to the test management platform for analysis by professional testers.
[0046] The test result judgment module 23 judges the test results of the grid-related tests of the new energy power field, and conducts a comprehensive expert assessment of the grid-connected capacity of the offshore wind farm based on the test results. In the process of intelligent test analysis of various test items of the offshore wind farm grid-related tests, in order to reduce manual intervention and improve test efficiency, the test method of this embodiment creates a complex interactive environment for each test case, and realizes automatic identification and matching decision strategies based on the test type and evaluation results. When generating a judgment report, the status of the detection content in the current report and the results of the fuzzy comprehensive evaluation method are automatically used to draw a test conclusion for the judgment report on whether it passes or fails.
[0047] This embodiment establishes a typical result intelligent diagnosis model, establishes a factor set of the diagnosis object, and establishes standard indicators and evaluation methods for the detection content according to the state of the offshore wind farm itself. For example, the detection items can be decomposed into major indicators such as communication and signal testing, AVC testing, AGC testing, and primary frequency modulation, that is, Ux = {X1, X2...Xn}. Facing the evaluation direction, for example, a trend model of each diagnostic factor is established to perform machine intelligent evaluation of the indicators. The standard indicator system for the detection content mainly includes: communication protocol test indicators and protocol standardization test indicators. The data accuracy verification test indicators include telemetry data verification test indicators, telesignaling data verification test indicators, telecontrol test indicators, and remote control test indicators. The control strategy execution test indicators include curve sending indicators. The AVC test indicators of the power plant include the normal test indicators of the closed-loop operation of the AVC substation system and the dispatching master station, including the AVC system and the master station exchange data details indicators, the test indicators of receiving the dispatching master station telecontrol commands, the test indicators of uploading the dispatching master station telesignaling data, and the test indicators of uploading the dispatching master station telemetry data. The normal test indicators of local open-loop operation of AVC substation system include voltage control test indicators and dead zone test indicators. Test indicators of AVC substation system regulation accuracy and speed. Test indicators of power plant AGC, dispatching telecontrol debugging, receiving dispatching master station telecontrol command test indicators, uploading dispatching master station telesignaling data test indicators and uploading dispatching master station telemetry data test indicators.
[0048] The judgment report generation module 24 generates judgment results and test reports of different test items according to the detection content and results and user needs. The judgment results can be exported into reports and graphs. It has the functions of test report definition, editing, display, storage, query, printing, etc. The judgment report template should include all test system test items and results, and can be adjusted according to needs.
[0049] The test results of the new energy electric field network-related test are automatically saved locally, and the judgment result data of the new energy operation control mobile test system 200 can be synchronized to the test management platform in real time through the mobile encrypted communication network or optical fiber for the test management platform to view, summarize and analyze. In the case of poor communication signal, the mobile test terminal can be brought back to the laboratory, and the judgment results can be synchronized to the new energy test management platform 100 through Ethernet communication.
[0050] In one embodiment, a test case configuration module is used to synchronously load the required test case set from the offshore wind power test management platform. The offshore wind power test management platform provides a test case configuration interface for various offshore wind farms, which is used to add, delete, modify, and select test cases. At the same time, the test object management module synchronously loads the test object set to be tested from the offshore wind power test management platform. The offshore wind power test management platform provides a management interface for all the offshore wind farms under test, which is used to add, delete, modify, and select test objects, and to distribute test tasks. The user selects the corresponding test case and test object according to the test needs, and configures the parameters. At this time, the self-driven test execution engine can be started, and one-click automated testing can be started. The offshore wind farm interface module, the frequency signal generation module 26, and the high-precision data sampling module are called according to the test content to start the test case.
[0051] The system console serves as the container of the entire system, manages and operates each module, the system operation portal, loads and provides test object function calls, and then the expert judgment module judges the various test data of the offshore wind farm grid-related test, and conducts a comprehensive expert assessment of the offshore wind farm's grid-connected capacity based on various test indicators. After one-click automated testing, the test results are stored in the evaluation report management module, which is convenient for users to manage and output evaluation test reports, and upload them to the offshore wind power test management platform simultaneously. Take the AGC test scheme active power change normal operation for 1 minute as an example, as shown in Table 1.
[0052] Table 1 AGC test scheme Active power change test for normal operation for 1 minute
[0053]
[0054]
[0055]
[0056] The present invention takes into account the versatility of the test system and proposes a new energy grid-connected test system to perform a fully automatic grid-connected function test, which is not limited to primary frequency regulation, AGC and AVC, and can meet the AGC experiments of all grid-connected power stations such as wind power storage, and can meet the AVC experiments of all grid-connected power stations such as wind power storage in normal operation, active power change value, grid connection and shutdown, active power setting value control, active power limit control, etc., the main station closed-loop regulation, tracking target regulation and regulation rate, and can simultaneously meet the primary frequency regulation experiments of all grid-connected power stations such as wind power storage. After the grid-connected function test, it can automatically determine whether the new energy power station meets the standards and display the test items.
[0057] The above is a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications are also considered to be within the scope of protection of the present invention.
Claims
1. A new energy grid-connected test system, characterized in that: include: A new energy test management platform and a new energy operation control mobile test system, wherein the new energy test management platform is connected to the new energy operation control mobile test system; The new energy test management platform is used to select applicable test templates to establish test tasks for different new energy models; specifically, the new energy test management platform includes a model management module and a test task management module; The new energy model warehouses uploaded by all mobile test systems are aggregated through the model management module to establish a new energy model management warehouse, and the corresponding models are selected from the new energy model warehouse to match and distribute the test tasks; the test task generation management function of the test task management module is used to formulate and select the corresponding new energy electric field model and test content template to establish the test task; wherein, the test content template is obtained in the following manner: template management of the test content of the offshore wind power test is performed, and for different new energy models, an applicable test template is selected to establish a test task, and the newly created custom test content uploaded by the mobile test system is synchronized to form a new test content template; The new energy test management platform is used to transmit the test task to the new energy operation control mobile test system, and the new energy operation control mobile test system receives the test task and generates a determination result and transmits it to the new energy test management platform; The new energy operation control mobile test system includes a frequency signal generation module and a high-precision data acquisition module, the frequency signal generation module and the high-precision data acquisition module are connected, and the new energy operation control mobile test system calls the frequency signal generation module and the high-precision data acquisition module to perform an automated grid-connected test according to the received test task, and outputs the test result; The new energy operation control mobile test system also includes a test result determination module, which is used to receive the test result, perform quality inspection on the test result according to the diagnostic model in the test result determination module, and output the determination result; The new energy test management platform also includes a judgment result management module, which is used for intelligent analysis of judgment results and judgment report management. The judgment report management generates judgment reports for different test items based on test data, and stores the judgment reports of all inspected new energy power plants in an orderly manner in the offshore wind power test management platform.
2. The new energy grid-connected test system according to claim 1, characterized in that: The model management module is connected to the test task management module, and the test task management module is used to establish the test task after successfully matching the new energy electric field model to be tested with the new energy model management warehouse.
3. The new energy grid-connected test system according to claim 2, characterized in that: The new energy test management platform also includes a test standard management module, which is connected to the test task management module and is used to provide automated test process management and customized test standard management for the test task management module.
4. The new energy grid-connected test system according to claim 3, characterized in that: The determination result management module is connected to the test task management module and the new energy operation control mobile test system respectively.
5. The new energy grid-connected test system according to claim 4, characterized in that: The new energy operation control mobile test system also includes a test task synchronization management module, a test task execution module and a test result judgment module. The test task synchronization management module is connected to the test task execution module, and the test task execution module is connected to the test result judgment module. The test task synchronization management module is used to receive the test task, monitor the test process, and transmit the test items that fail the test back to the new energy test management platform.
6. The new energy grid-connected test system according to claim 5, characterized in that: The test task execution module is connected to the frequency signal generation module. The test task execution module outputs a frequency instruction when detecting a signal generating a frequency change in the test task. The frequency signal generation module is used to receive the frequency instruction and start the frequency modulation dynamic performance test.
7. The new energy grid-connected test system according to claim 6, characterized in that: The new energy operation control mobile test system also includes a determination report generation module and a determination result reporting module. The determination report generation module is connected to the test result determination module, the determination report generation module is connected to the determination result reporting module, and the determination result reporting module is connected to the determination result management module.
8. The new energy grid-connected test system according to claim 7, characterized in that: It also includes an electric field module to be tested, which is connected to the mobile test system for new energy operation control. The electric field module to be tested is connected to the mobile test system for new energy operation control via automatic power generation control.
9. The new energy grid-connected test system according to claim 8, characterized in that: The new energy operation control mobile test system also includes a new energy electric field data access module, which is connected to the electric field module to be tested and adopts a dual-channel redundant access method.
10. The new energy grid-connected test system according to claim 1, characterized in that: The new energy test management platform also includes a system interface module, which is used to interconnect with the new energy operation control mobile test system, and the system interface module is used to provide an interface for sample data transmission.
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