A new energy station simulation modeling front data acquisition equipment

Abstract

This invention relates to the field of new energy power technology and discloses a data acquisition device for simulation modeling of new energy power plants. The device includes: a multi-type signal acquisition module, a parameter classification and storage module, a topology digitization module, a data verification and completion module, an interface adaptation output module, a remote communication and control module, a power supply guarantee module, and an environmental monitoring module. The input terminals of the multi-type signal acquisition modules are connected to the sensor output terminals and control interfaces of the photovoltaic inverters, wind turbines, SVG equipment, main transformers, box-type transformers, and grounding transformers in the new energy power plant, for acquiring electrical parameters, status signals, and control logic-related data. This invention, through multi-module collaboration, synchronously acquires equipment data and topology information, solving the problems of disconnection and low efficiency in traditional acquisition and topology organization, improving data integrity, and providing reliable support for simulation modeling.

Description

Technical Field

[0001] This invention relates to the field of new energy power technology, specifically to a data acquisition device for simulation modeling of new energy power plants. Background Technology

[0002] Data acquisition equipment for new energy power plant simulation modeling is suitable for the preliminary data preparation work in the simulation modeling stage of new energy power plants such as photovoltaic and wind power, and is one of the key devices to ensure the accuracy and efficiency of simulation modeling.

[0003] In existing technologies, data acquisition and topology information preparation before simulation modeling of new energy power plants are often carried out separately. It is common to use multiple independent acquisition devices to collect different types of electrical parameters, while topology information is obtained by manually compiling drawings. This approach not only requires multiple sets of equipment, increasing costs and maintenance difficulties, but also has the problem of data and topology information not being synchronized. Although manual topology information preparation can meet basic requirements, it is prone to information deviation due to human error, and is time-consuming and labor-intensive, significantly reducing data preparation efficiency and affecting the coherence and accuracy of subsequent simulation modeling. Therefore, a data acquisition device for simulation modeling of new energy power plants is proposed. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a data acquisition device for simulation modeling of new energy power stations, thereby solving the problems mentioned in the background section.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a data acquisition device for pre-simulation modeling of new energy power stations, comprising:

[0006] The system includes a multi-type signal acquisition module, a parameter classification and storage module, a topology digitization module, a data verification and completion module, an interface adaptation and output module, a remote communication and control module, a power supply guarantee module, and an environmental monitoring module. The input terminals of the multi-type signal acquisition modules are connected one-to-one with the sensor output terminals and control interfaces of the photovoltaic inverters, wind turbines, SVG equipment, main transformers, box-type transformers and grounding transformers in the new energy power station, and are used to collect electrical parameters, status signals and control logic related data. The output of the multi-type signal acquisition module is connected to the input of the parameter classification and storage module; the output of the topology digitization module is connected to the input of the parameter classification and storage module; the output of the parameter classification and storage module is connected to the input of the data verification and completion module; and the output of the data verification and completion module is connected to the input of the interface adapter output module. The remote communication and control module is bidirectionally connected to the multi-type signal acquisition module, parameter classification and storage module, topology digitization module, data verification and completion module, and interface adaptation output module; the output of the power supply guarantee module is connected to the power input of each module, and the output of the environmental monitoring module is connected to the input of the remote communication and control module. The output end of the interface adapter output module is used to connect to the data receiving interface of the simulation platform. It can realize the synchronous acquisition, orderly transmission and stable output of data and topology information of multiple devices in the power station, effectively avoiding problems such as data and topology information disconnection and incomplete acquisition, improving the efficiency and completeness of data preparation before simulation modeling. At the same time, through the collaboration of various modules and remote control and power supply guarantee design, it ensures the continuous and stable operation of the equipment, adapts to the complex acquisition needs of new energy power stations, and lays a solid foundation for the accuracy of simulation modeling.

[0007] Preferably, the multi-type signal acquisition module includes a current signal acquisition unit, a voltage signal acquisition unit, a resistance and reactance acquisition unit, a capacitance parameter acquisition unit, a status quantity acquisition unit, and a control logic data acquisition unit. Each acquisition unit is equipped with a signal conditioning circuit and an AD conversion module. The signal conditioning circuit is used to filter, amplify, and isolate the original signal, and the AD conversion module converts the analog signal into a digital signal.

[0008] Preferably, the parameter classification storage module has a built-in partitioned storage unit and an index management unit. The partitioned storage unit divides the main storage area according to the equipment type of photovoltaic inverter, wind turbine, SVG equipment, main transformer, box-type transformer and grounding transformer. Within each main storage area, secondary storage areas are divided according to the attributes of electrical parameters, status parameters and control parameters. The index management unit establishes index information for each stored data, including equipment number, parameter name and acquisition time.

[0009] Preferably, the topology digitization module includes an image acquisition unit, a graphic recognition unit, and a digital topology generation unit. The image acquisition unit is used to acquire images of the main circuit diagram of the new energy power station in either physical or electronic format. The graphic recognition unit identifies the circuit components, connections, and parameter annotations in the diagram. The digital topology generation unit converts the recognition results into digital topology data that conforms to the simulation platform standards.

[0010] Preferably, the data verification and completion module includes a data validity verification unit and a missing data completion unit. The data validity verification unit verifies the data by comparing preset parameter threshold ranges, verifying the logical consistency of the data, and verifying the cross-device data correlation. The missing data completion unit interpolates and completes the missing data based on historical trends of similar data and device characteristic models.

[0011] Preferably, the interface adaptation output module has built-in multiple simulation platform adaptation protocol libraries, including an ADPSS platform adaptation unit, a Hypersim platform adaptation unit, and a general data format output unit. The corresponding adaptation unit is selected to output data according to the target simulation platform type. The output data format includes static library data format, XML description file format, and waveform data format.

[0012] Preferably, the remote communication and control module supports 5G, Ethernet and fiber optic communication methods, and is used to receive remote control commands to adjust data acquisition parameters, storage strategies and output configurations, while uploading acquired data, equipment operating status and alarm information to the remote monitoring center.

[0013] Preferably, the power supply protection module includes a main power supply unit, a backup power supply unit, and a power switching unit. The main power supply unit uses AC 220V to DC power supply, the backup power supply unit is a lithium battery pack, and the power switching unit automatically switches to the backup power supply when the main power supply is interrupted, with a switching time of no more than 50ms.

[0014] Preferably, the environmental monitoring module includes a temperature sensor, a humidity sensor, a vibration sensor, and a dust sensor, used to collect real-time data on the temperature, humidity, vibration amplitude, and dust concentration of the equipment installation environment. When the monitored data exceeds the preset safety range, an alarm message is sent through the remote communication and control module.

[0015] Preferably, the control logic data acquisition unit is equipped with multiple interface adapters, including DB37 interface, Ethernet interface and RS485 interface, which can be adapted to the control interfaces of new energy equipment from different manufacturers to acquire control protection settings, start time and operation mode switching logic related data of the equipment.

[0016] Compared with existing technologies, the present invention provides a data acquisition device for simulation modeling of new energy power stations, which has the following beneficial effects: This invention integrates multiple modules working collaboratively, with various signal acquisition modules precisely connecting to different types of equipment in the field, and a topology digitization module synchronously acquiring topology information. This enables comprehensive acquisition of data and topology information before simulation modeling, offering advantages such as strong data acquisition integrity and compatibility with a wide range of devices. It solves the problems of traditional acquisition devices being able to collect only single data points and requiring separate processing of topology information, leading to data and topology disconnect and low acquisition efficiency. This provides coherent and comprehensive data support for subsequent simulation modeling. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall system structure of the present invention; Figure 2This is a schematic diagram of the internal logic structure and input / output of the multi-type signal acquisition module of the present invention; Figure 3 This is a flowchart illustrating the core logic of data processing and output in this invention. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] This invention provides a technical solution: a data acquisition device for pre-simulation modeling of new energy power plants. Please refer to [link / reference]. Figure 1 , Figure 2 and Figure 3 ,include: The system includes a multi-type signal acquisition module, a parameter classification and storage module, a topology digitization module, a data verification and completion module, an interface adaptation and output module, a remote communication and control module, a power supply guarantee module, and an environmental monitoring module. The input terminals of the multi-type signal acquisition modules are connected one-to-one with the sensor output terminals and control interfaces of the photovoltaic inverters, wind turbines, SVG equipment, main transformers, box-type transformers and grounding transformers in the new energy power station, and are used to collect electrical parameters, status signals and control logic related data. The output of the multi-type signal acquisition module is connected to the input of the parameter classification and storage module; the output of the topology digitization module is connected to the input of the parameter classification and storage module; the output of the parameter classification and storage module is connected to the input of the data verification and completion module; and the output of the data verification and completion module is connected to the input of the interface adapter output module. The remote communication and control module is bidirectionally connected to the multi-type signal acquisition module, parameter classification and storage module, topology digitization module, data verification and completion module, and interface adapter output module; the output of the power supply guarantee module is connected to the power input of each module, and the output of the environmental monitoring module is connected to the input of the remote communication and control module. The output end of the interface adapter output module is used to connect to the data receiving interface of the simulation platform; It integrates multiple modules to form a complete acquisition system. Multiple types of signal acquisition modules can be accurately connected to all types of equipment. Each module works together to cover the entire process of data acquisition, storage, and processing. It can acquire all kinds of data required for simulation modeling at one time, avoiding the cumbersome process of multiple devices collecting data separately. Remote control and power supply guarantee ensure stable operation around the clock, laying a comprehensive and reliable data foundation for simulation modeling.

[0020] The multi-type signal acquisition module includes a current signal acquisition unit, a voltage signal acquisition unit, a resistance and reactance acquisition unit, a capacitance parameter acquisition unit, a status quantity acquisition unit, and a control logic data acquisition unit. Each acquisition unit is equipped with a signal conditioning circuit and an AD conversion module. The signal conditioning circuit is used to filter, amplify, and isolate the original signal, and the AD conversion module converts the analog signal into a digital signal. Each unit of the multi-type signal acquisition module is equipped with a dedicated conditioning and conversion circuit, which can accurately filter, amplify, and isolate the original signal, and efficiently realize analog-to-digital conversion through AD conversion; it greatly reduces signal interference and distortion, improves data acquisition accuracy, adapts to different types of electrical signals, and meets the stringent requirements of simulation modeling for data authenticity and accuracy.

[0021] The parameter classification storage module has built-in partitioned storage units and index management units. The partitioned storage units divide the main storage area according to the equipment type of photovoltaic inverters, wind turbines, SVG equipment, main transformers, box-type transformers and grounding transformers. Within each main storage area, secondary storage areas are divided according to the attributes of electrical parameters, status parameters and control parameters. The index management unit establishes index information for each stored data, including the equipment number, parameter name and acquisition time. The parameter classification storage module stores data in partitions according to device type and parameter attributes, and establishes dedicated indexes with the index management unit; this enables orderly data archiving, avoids messy accumulation, allows for quick location and retrieval of target data, reduces data search time, and ensures data storage security, providing efficient support for subsequent data processing and retrieval.

[0022] The topology digitization module includes an image acquisition unit, a graphic recognition unit, and a digital topology generation unit. The image acquisition unit is used to acquire images of the main circuit diagram of the new energy power station in either physical or electronic form. The graphic recognition unit identifies the circuit components, connections, and parameter annotations in the diagram. The digital topology generation unit converts the recognition results into digital topology data that conforms to the simulation platform standard. The digital topology module enables the digital conversion of drawings, accurately identifies circuit components, connection relationships, and parameter annotations, and generates topology data that conforms to simulation standards. It eliminates the need for manual drawing of digital topologies, avoids human error, improves the efficiency and accuracy of topology construction, adapts to the needs of simulation platforms, and accelerates the modeling process.

[0023] The data validation and completion module includes a data validity validation unit and a missing data completion unit. The data validity validation unit performs data validation by comparing preset parameter threshold ranges, verifying data logical consistency, and cross-device data correlation. The missing data completion unit interpolates and completes missing data based on historical trends of similar data and device characteristic models. The data validation and completion module ensures data validity through multiple validation logics, completes missing data based on professional models, eliminates invalid and abnormal data, corrects data deviations, fills data gaps, ensures complete and compliant output data, avoids poor-quality data from affecting simulation modeling accuracy, and improves model reliability.

[0024] The interface adaptation output module has built-in multiple simulation platform adaptation protocol libraries, including ADPSS platform adaptation unit, Hypersim platform adaptation unit and general data format output unit. The corresponding adaptation unit is selected to output data according to the target simulation platform type. The output data formats include static library data format, XML description file format and waveform data format. The interface adapter output module has a built-in multi-platform protocol library and multiple data format units, which can flexibly adapt to mainstream simulation platforms; no additional adapter equipment is required, which can achieve seamless data connection with different simulation platforms, support multi-format output, meet the needs of various simulation scenarios, and improve the versatility and adaptability of equipment.

[0025] The remote communication and control module supports 5G, Ethernet and fiber optic communication methods. It is used to receive remote control commands to adjust data acquisition parameters, storage strategies and output configurations, and to upload acquired data, equipment operating status and alarm information to the remote monitoring center. The remote communication and control module supports multiple communication methods, enabling remote adjustment of equipment parameters and uploading of operational data; eliminating the need for on-site operation, reducing labor costs, allowing real-time monitoring of equipment operating status and alarm information, timely handling of abnormal situations, realizing remote operation and maintenance management of equipment, and improving the flexibility and efficiency of data acquisition.

[0026] The power supply protection module includes a main power supply unit, a backup power supply unit, and a power switching unit. The main power supply unit uses AC 220V to DC power supply, the backup power supply unit is a lithium battery pack, and the power switching unit automatically switches to the backup power supply when the main power supply is interrupted, with a switching time of no more than 50ms. The power supply module adopts a dual power supply design with primary and backup power supplies, which has a short switching time and seamlessly switches to the backup power supply when the primary power supply is interrupted. This ensures that all modules operate continuously, avoids data loss and data acquisition interruption due to power outages, guarantees the continuity of data acquisition, and provides a stable data supply for simulation modeling.

[0027] The environmental monitoring module includes a temperature sensor, a humidity sensor, a vibration sensor, and a dust sensor, which are used to collect real-time data on the temperature, humidity, vibration amplitude, and dust concentration of the equipment installation environment. When the monitored data exceeds the preset safety range, an alarm message is sent through the remote communication and control module. The environmental monitoring module collects environmental data in real time through multiple types of sensors and issues timely alarms when thresholds are exceeded. It can predict the impact of environmental factors on equipment in advance, avoid equipment failures due to temperature, humidity, vibration and other issues, ensure the stability of equipment operation, and indirectly ensure the continuity and reliability of collected data.

[0028] The control logic data acquisition unit is equipped with multiple interface adapters, including DB37 interface, Ethernet interface and RS485 interface, which can be adapted to the control interfaces of new energy equipment from different manufacturers to acquire control protection settings, start time and operation mode switching logic related data of the equipment. The control logic data acquisition unit is equipped with multiple types of interface adapters to adapt to the control interfaces of equipment from different manufacturers; it breaks down the barriers between equipment brand interfaces, comprehensively collects data such as control and protection settings and operating mode switching logic, makes up for the lack of compatibility of traditional acquisition equipment, and ensures that no control logic data is missed.

[0029] This solution works as follows: After the equipment is started, multiple signal acquisition modules connect to the target equipment through their respective units. The signal conditioning circuit filters, amplifies, and isolates the raw signals, and then the AD conversion module converts the analog signals into digital signals to achieve data acquisition. The control logic data acquisition unit uses a multi-interface adapter to simultaneously acquire control logic-related data from equipment from different manufacturers. The parameter classification and storage module stores the acquired data in partitions according to equipment type and parameter attributes, and establishes an index through the index management unit. The topology digitization module converts the site drawings into digital topology data that conforms to simulation standards and stores it simultaneously in the parameter classification and storage module. After the data is validated and missing values ​​are filled by the data verification and completion module, the interface adapter output module matches the target simulation platform protocol and format to complete the data output. The remote communication and control module adjusts the parameters of each module in real time, uploads operating data and status. The power supply guarantee module ensures continuous operation of the equipment by automatically switching between primary and backup power supplies. The environmental monitoring module collects environmental data, and sends an alarm through the remote communication and control module when the threshold is exceeded. All modules work together to complete the data preparation work before simulation modeling.

[0030] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0031] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A new energy station simulation modeling pre-data acquisition device, characterized in that, include: The system includes a multi-type signal acquisition module, a parameter classification and storage module, a topology digitization module, a data verification and completion module, an interface adaptation and output module, a remote communication and control module, a power supply guarantee module, and an environmental monitoring module. The input terminals of the multi-type signal acquisition modules are connected to the sensor output terminals and control interfaces of the photovoltaic inverters, wind turbines, SVG equipment, main transformers, box-type transformers and grounding transformers in the new energy power station, and are used to collect electrical parameters, status signals and control logic related data. The output of the multi-type signal acquisition module is connected to the input of the parameter classification and storage module; the output of the topology digitization module is connected to the input of the parameter classification and storage module; the output of the parameter classification and storage module is connected to the input of the data verification and completion module; and the output of the data verification and completion module is connected to the input of the interface adapter output module. The remote communication and control module is bidirectionally connected to the multi-type signal acquisition module, parameter classification and storage module, topology digitization module, data verification and completion module, and interface adaptation output module; the output of the power supply guarantee module is connected to the power input of each module, and the output of the environmental monitoring module is connected to the input of the remote communication and control module. The output terminal of the interface adapter output module is used to connect to the data receiving interface of the simulation platform.

2. The new energy station simulation modeling front data acquisition equipment according to claim 1, characterized in that: The multi-type signal acquisition module includes a current signal acquisition unit, a voltage signal acquisition unit, a resistance and reactance acquisition unit, a capacitance parameter acquisition unit, a status quantity acquisition unit, and a control logic data acquisition unit. Each acquisition unit is equipped with a signal conditioning circuit and an AD conversion module.

3. The data acquisition device for simulation modeling of a new energy power station according to claim 1, characterized in that: The parameter classification storage module has a built-in partitioned storage unit and an index management unit. The partitioned storage unit divides the main storage area according to the equipment type of photovoltaic inverter, wind turbine, SVG equipment, main transformer, box-type transformer and grounding transformer. Within each main storage area, secondary storage areas are divided according to the attributes of electrical parameters, status parameters and control parameters. The index management unit establishes index information for each stored data, including equipment number, parameter name and acquisition time.

4. The data acquisition device for simulation modeling of a new energy power station according to claim 1, characterized in that: The topology digitization module includes an image acquisition unit, a graphic recognition unit, and a digital topology generation unit. The image acquisition unit is used to acquire images of the main circuit diagram of the new energy power station in either physical or electronic format. The graphic recognition unit identifies the circuit components, connections, and parameter annotations in the diagram.

5. The data acquisition device for simulation modeling of a new energy power station according to claim 1, characterized in that: The data verification and completion module includes a data validity verification unit and a missing data completion unit. The data validity verification unit verifies data by comparing preset parameter threshold ranges, verifying data logical consistency, and cross-device data correlation. The missing data completion unit interpolates and completes missing data based on historical trends of similar data and device characteristic models.

6. The data acquisition device for simulation modeling of a new energy power station according to claim 1, characterized in that: The interface adaptation output module has built-in multiple simulation platform adaptation protocol libraries, including an ADPSS platform adaptation unit, a Hypersim platform adaptation unit, and a general data format output unit.

7. The data acquisition device for simulation modeling of a new energy power station according to claim 1, characterized in that: The remote communication and control module supports 5G, Ethernet and fiber optic communication methods, and is used to receive remote control commands to adjust data acquisition parameters, storage strategies and output configurations.

8. The data acquisition device for simulation modeling of a new energy power station according to claim 1, characterized in that: The power supply protection module includes a main power supply unit, a backup power supply unit, and a power switching unit. The power switching unit automatically switches to the backup power supply when the main power supply is interrupted.

9. The data acquisition device for simulation modeling of a new energy power station according to claim 1, characterized in that: The environmental monitoring module includes a temperature sensor, a humidity sensor, a vibration sensor, and a dust sensor, which are used to collect real-time data on the temperature, humidity, vibration amplitude, and dust concentration of the equipment installation environment.

10. The data acquisition device for simulation modeling of a new energy power station according to claim 2, characterized in that: The control logic data acquisition unit is equipped with multiple interface adapters, including a DB37 interface, an Ethernet interface, and an RS485 interface, to acquire control protection settings, startup time, and operation mode switching logic related data of the device.

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