[China Instrument Network Instrument R&D] Recently, Beijing Science and Technology Awards Office announced 458 2016 Beijing Science and Technology Award acceptance projects, including a number of instrumentation technologies. The following lists the most closely watched metering projects. They cover the most advanced nuclear power fields, the most advanced high-end instrumentation areas, and the hottest smart grid areas.
Name of Project: Research and Implementation of Upgrade and Modification of DCS and KIT/KSP System of Qinshan Phase II Nuclear Power Plant Conventional Island Projector: Beijing Guangli Nuclear System Engineering Co., Ltd Project Description:
1. Objectives The main objectives of the research and implementation of the upgrade and reconstruction of the KIT/KPS and Conventional Island DCS systems of the second phase of the Qinshan Nuclear Power Station No.2 and No.2 are as follows: a. The Qinshan Phase II No. 1 and No. 2 were implemented using a domestic digital intellectual instrument control system. KIT/KPS and conventional island DCS system upgrades. b. Provides a set of KIT/KPS systems and conventional island DCS system solutions that meet the process requirements of Qinshan Nuclear Power Plant Phase II and Unit 2; c. Established a complete and effective standardization document for project implementation (project management, design, manufacture, assembly, integration, testing, maintenance, and quality assurance) for the upgrading and reconstruction of digitized instrumentation control systems for nuclear power plants, resulting in the upgrading of digitized instrumentation control systems for nuclear power plants. The standardization process.
2. Main technological innovation points Technological innovation point 1: The independent fault diagnosis function meets the diversity requirements, and at the same time avoids the loss of the monitoring of the status of the DCS cabinet disk stage due to a single failure, and adapts to the requirements of various cabinet status monitoring, custom development. An independent fault diagnosis system was developed. Technological innovation point 2: Third-party and multiple custom protocols support Qinshan Phase II KIT system to connect 9 third-party systems in total. There are 4 kinds of physical interfaces and 7 kinds of custom communication protocols. In this project, various kinds of protocols are integrated. , Developed communication software for 7 custom protocols of Qinshan Phase II. Innovation point three: CPCI-based server real-time monitoring and fast-switching technology Server real-time monitoring and switching function is a 32-bit/33-MHz CPCI expansion card that implements dual-controller monitoring function based on the CPCI specification. It supports real-time monitoring between the two machines and realizes dual-system redundancy. . Through a DB25 connection cable (20 lines) to make the two dual-monitoring modules constitute an interconnection, transfer the working status between the two machines to achieve mutual monitoring purposes. At the same time, the monitoring card provides cable detection and status indication functions to increase the reliability of the work. Technological innovation point 4: Development of control system modification termination matching tools Based on the Qinshan Phase II KIT/KPS and conventional island DCS system renovation, an old and new cabinet termination automatic matching tool was developed to enable the termination of new and old cabinets based on constraints Automatic matching improves work efficiency while ensuring that the original cable length matches the new cabinet.
3. The value of the results of the transformation Project requirements are high, the construction period is short, the on-site environment is complex, and there is a high requirement for the design, integration, and testing capabilities of the instrument control companies. Qinshan Phase II Reconstruction Project is another digitized instrumentation control system reconstruction project for in-service nuclear power units following the KIT/KPS transformation project of Daya Bay by Beijing Guangli Nuclear System Engineering Co., Ltd., and continues to accumulate nuclear power plant instrumentation on the basis of inheriting the original experience. The experience of system transformation lays the foundation for the subsequent transformation of the instrument control system of nuclear power plants. The operating time of nuclear power plants in foreign countries is generally longer than that of domestic nuclear power plants, and they are also facing upgrades and transformations. The successful experience in the transformation of several sets of nuclear power instrument control systems in China can also be of positive significance in opening the international market.
Project Name: High-precision smart differential pressure transmitter R & D and industrialization Candidates: Beijing Ruipu Sanyuan Instrument Co., Ltd. Project Description:
1. Purpose of the project study: High-precision diffusion silicon differential pressure transmitter production technology has long been dominated by foreign companies. At present, the accuracy of mainstream products of Rosemount, Yokogawa, and ABB are all 0.075%, and on this basis, a more advanced 0.05% (0.04%) ultra-high-precision product is introduced. Compared with these multinational companies, China's domestic pressure transmitters have large gaps in accuracy, range ratio, stability, reliability, etc. At present, the domestic instruments have the highest certified accuracy of 0.075%, in the overall performance There is a clear disadvantage. No domestic companies can engage in independent mass production of high-precision differential pressure transmitters. In order to break the monopoly of foreign companies, improve the competitiveness of domestic brands, for the development of instrument companies, and for the technological advancement of enterprises, high-precision differential pressure transmitter R & D and industrialization as the company's key research projects, the company will also become The first company in China that can independently produce high-precision differential pressure transmitters. In the technical indicators and the level of technology to reach the international advanced level, and in a large-scale process control system to achieve the bulk application, thus breaking the monopoly of multinational companies in the field.
2. The project must first select the TO8 sensor for secondary packaging during the design process. The secondary sensor must have the functions of measuring pressure conduction, one-way overload protection, dual-cavity silicone oil, and signal processing, amplification, storage, and transmission. In the design of secondary sensors, this project not only fully absorbed and utilized the design concepts of foreign advanced composite solid-state silicon sensors, but also incorporated a large number of independent innovations. The main technical innovations are as follows: (1) Sensor structure design technology, involving over-pressure diaphragm design, over-pressure diaphragm welding design, and sensor (TO8) assembly and welding design choices with better performance and sensitive components, so that product stability, The output sensitivity is greatly improved. The current production of differential pressure cores, after several batch trials and comprehensive tests, fully meets predetermined targets. (2) Sensor charging and oil control technology (3) Temperature and linear compensation technology (4) Mass production tooling 3, High-precision differential pressure transmitter The successful development can enhance the competitiveness of the company's products, can enter the same time with the international first-line brands In the competition of some big targets, the market for pressure transmitters is driven. The product has an annual production capacity of 3,000 units, which can increase the annual sales revenue of the instrument company by 10 million yuan; the new profit of 1 million yuan will create considerable economic benefits for the company. For smart differential pressure transmitter products, especially high-end instruments, only a few foreign brands are currently available. The domestic production of instruments is still some low-end products. Differential pressure sensors used in high-precision smart differential pressure transmitters are positioned on the high end of the same product. The competitors are foreign Honeywell, ABB, Siemens brand products. In the market has a very high price advantage. The R&D and production of this project will enable the company's differential pressure instrument to enter the high-end market, which is of crucial importance for enhancing the influence of local brands.
Project Title: Key Technologies for Multi-Dimensional High-Reliability Power Measurement Research and Application Candidates: China Electric Power Research Institute, State Grid Beijing Electric Power Company, North China Electric Power Research Institute Co., Ltd., State Grid Jiangsu Electric Power Research Institute of Electric Power , State Grid Anhui Power Company, Yantai Dongfang Westton Electric Co., Ltd. Project Profile:
Power metering terminals, such as smart energy meters and collection terminals, are important infrastructures for smart grids and smart cities. They are the windows of interaction between the grid and users, and their reliability levels are the basis for building the quality of the energy Internet. From 2010 till now, China has installed a total of 460 million electricity metering terminals. Its operational reliability is directly related to the safety of power grids, the fairness and fairness of power trading, and the quality of service of the power grid. For a long time, China's measurement terminal reliability research mainly focuses on the whole machine test, and the test method still uses the method of mechanical watches. It fails to form a comprehensive reliability technology system from components, software, hardware and overall system dimensions, which restricts our country. The quality of metering terminals and the overall level of technology have been improved, limiting their move from manufacturing to a manufacturing powerhouse. The project focuses on the common faults in the field of power metering terminals and conducts reliability studies in several dimensions, including selection prediction, test detection, and operation evaluation. After 6 years of independent innovation, the following innovations have been formed:
1. The method of data transmission reliability optimization for power consumption information collection system covering multiple stations such as main station, communication channel, terminal, and energy meter is proposed. Based on the modular design method, the reliability design of hardware and software for metering terminal is enhanced, and the system clock synchronization is optimized. , security authentication and communication performance ensure the accuracy, completeness, safety and reliability of the measurement terminal in the data transmission process.
2. Proposes a method for comparing and recording the energy meter software based on the information encryption protection technology, develops a metering and comparison device for the energy meter software, and establishes a reliability cloud testing system for code-level energy meter software to improve the software reliability and maturity.
3. Adopt massive data mining technology, put forward 15 types of online monitoring and abnormal diagnosis model of 137 metering equipments based on electricity acquisition system, realizing real-time monitoring of metering equipment operation status and rapid processing of abnormal data.
Proposed the composite accelerated aging model of electric energy meter under the special load condition and the lifetime prediction model of the electric energy meter based on the approximating data BP network. The multi-stress testing device based on the degenerative trajectory model was developed, and the reliability of power metering terminal was significantly improved. The failure rate of the power metering terminal of the municipal power company decreased from 0.25% in 2012 to 0.02% in 2015.
5. A multi-dimensional reliability assurance system for components, software, complete machines and systems was established, and a quality evaluation mathematical model combining analytic hierarchy process with fuzzy comprehensive evaluation was proposed. Formed the first industrial-grade electronic component quality database that can be used in the power industry and instrumentation field, and standardized the 295 kinds of acceptance testing methods for power metering terminals. Based on the above-mentioned innovations, the reliability system for power metering terminals has been extended upstream and downstream to the component level and the complete system level, respectively, and the overall level of manufacturing of energy metering terminal industrial chains has been improved. The project's achievements have been applied in the State Grid Metrology Center, 27 provincial power companies, and more than 400 manufacturers of home appliance energy metering terminals. Accumulative direct economic results for the past three years totaled 680 million yuan. The project was granted 12 invention patents, 13 academic papers, 2 monographs, 1 software copyright, 1 national standard, 2 industry standards, and 15 national grid company standards. Experts from the Chinese Society of Electrical Engineers, such as the Academician Wang Haosheng, identified the experts as "overall reaching the international advanced level."
1. Objectives The main objectives of the research and implementation of the upgrade and reconstruction of the KIT/KPS and Conventional Island DCS systems of the second phase of the Qinshan Nuclear Power Station No.2 and No.2 are as follows: a. The Qinshan Phase II No. 1 and No. 2 were implemented using a domestic digital intellectual instrument control system. KIT/KPS and conventional island DCS system upgrades. b. Provides a set of KIT/KPS systems and conventional island DCS system solutions that meet the process requirements of Qinshan Nuclear Power Plant Phase II and Unit 2; c. Established a complete and effective standardization document for project implementation (project management, design, manufacture, assembly, integration, testing, maintenance, and quality assurance) for the upgrading and reconstruction of digitized instrumentation control systems for nuclear power plants, resulting in the upgrading of digitized instrumentation control systems for nuclear power plants. The standardization process.
2. Main technological innovation points Technological innovation point 1: The independent fault diagnosis function meets the diversity requirements, and at the same time avoids the loss of the monitoring of the status of the DCS cabinet disk stage due to a single failure, and adapts to the requirements of various cabinet status monitoring, custom development. An independent fault diagnosis system was developed. Technological innovation point 2: Third-party and multiple custom protocols support Qinshan Phase II KIT system to connect 9 third-party systems in total. There are 4 kinds of physical interfaces and 7 kinds of custom communication protocols. In this project, various kinds of protocols are integrated. , Developed communication software for 7 custom protocols of Qinshan Phase II. Innovation point three: CPCI-based server real-time monitoring and fast-switching technology Server real-time monitoring and switching function is a 32-bit/33-MHz CPCI expansion card that implements dual-controller monitoring function based on the CPCI specification. It supports real-time monitoring between the two machines and realizes dual-system redundancy. . Through a DB25 connection cable (20 lines) to make the two dual-monitoring modules constitute an interconnection, transfer the working status between the two machines to achieve mutual monitoring purposes. At the same time, the monitoring card provides cable detection and status indication functions to increase the reliability of the work. Technological innovation point 4: Development of control system modification termination matching tools Based on the Qinshan Phase II KIT/KPS and conventional island DCS system renovation, an old and new cabinet termination automatic matching tool was developed to enable the termination of new and old cabinets based on constraints Automatic matching improves work efficiency while ensuring that the original cable length matches the new cabinet.
3. The value of the results of the transformation Project requirements are high, the construction period is short, the on-site environment is complex, and there is a high requirement for the design, integration, and testing capabilities of the instrument control companies. Qinshan Phase II Reconstruction Project is another digitized instrumentation control system reconstruction project for in-service nuclear power units following the KIT/KPS transformation project of Daya Bay by Beijing Guangli Nuclear System Engineering Co., Ltd., and continues to accumulate nuclear power plant instrumentation on the basis of inheriting the original experience. The experience of system transformation lays the foundation for the subsequent transformation of the instrument control system of nuclear power plants. The operating time of nuclear power plants in foreign countries is generally longer than that of domestic nuclear power plants, and they are also facing upgrades and transformations. The successful experience in the transformation of several sets of nuclear power instrument control systems in China can also be of positive significance in opening the international market.
Project Name: High-precision smart differential pressure transmitter R & D and industrialization Candidates: Beijing Ruipu Sanyuan Instrument Co., Ltd. Project Description:
1. Purpose of the project study: High-precision diffusion silicon differential pressure transmitter production technology has long been dominated by foreign companies. At present, the accuracy of mainstream products of Rosemount, Yokogawa, and ABB are all 0.075%, and on this basis, a more advanced 0.05% (0.04%) ultra-high-precision product is introduced. Compared with these multinational companies, China's domestic pressure transmitters have large gaps in accuracy, range ratio, stability, reliability, etc. At present, the domestic instruments have the highest certified accuracy of 0.075%, in the overall performance There is a clear disadvantage. No domestic companies can engage in independent mass production of high-precision differential pressure transmitters. In order to break the monopoly of foreign companies, improve the competitiveness of domestic brands, for the development of instrument companies, and for the technological advancement of enterprises, high-precision differential pressure transmitter R & D and industrialization as the company's key research projects, the company will also become The first company in China that can independently produce high-precision differential pressure transmitters. In the technical indicators and the level of technology to reach the international advanced level, and in a large-scale process control system to achieve the bulk application, thus breaking the monopoly of multinational companies in the field.
2. The project must first select the TO8 sensor for secondary packaging during the design process. The secondary sensor must have the functions of measuring pressure conduction, one-way overload protection, dual-cavity silicone oil, and signal processing, amplification, storage, and transmission. In the design of secondary sensors, this project not only fully absorbed and utilized the design concepts of foreign advanced composite solid-state silicon sensors, but also incorporated a large number of independent innovations. The main technical innovations are as follows: (1) Sensor structure design technology, involving over-pressure diaphragm design, over-pressure diaphragm welding design, and sensor (TO8) assembly and welding design choices with better performance and sensitive components, so that product stability, The output sensitivity is greatly improved. The current production of differential pressure cores, after several batch trials and comprehensive tests, fully meets predetermined targets. (2) Sensor charging and oil control technology (3) Temperature and linear compensation technology (4) Mass production tooling 3, High-precision differential pressure transmitter The successful development can enhance the competitiveness of the company's products, can enter the same time with the international first-line brands In the competition of some big targets, the market for pressure transmitters is driven. The product has an annual production capacity of 3,000 units, which can increase the annual sales revenue of the instrument company by 10 million yuan; the new profit of 1 million yuan will create considerable economic benefits for the company. For smart differential pressure transmitter products, especially high-end instruments, only a few foreign brands are currently available. The domestic production of instruments is still some low-end products. Differential pressure sensors used in high-precision smart differential pressure transmitters are positioned on the high end of the same product. The competitors are foreign Honeywell, ABB, Siemens brand products. In the market has a very high price advantage. The R&D and production of this project will enable the company's differential pressure instrument to enter the high-end market, which is of crucial importance for enhancing the influence of local brands.
Project Title: Key Technologies for Multi-Dimensional High-Reliability Power Measurement Research and Application Candidates: China Electric Power Research Institute, State Grid Beijing Electric Power Company, North China Electric Power Research Institute Co., Ltd., State Grid Jiangsu Electric Power Research Institute of Electric Power , State Grid Anhui Power Company, Yantai Dongfang Westton Electric Co., Ltd. Project Profile:
Power metering terminals, such as smart energy meters and collection terminals, are important infrastructures for smart grids and smart cities. They are the windows of interaction between the grid and users, and their reliability levels are the basis for building the quality of the energy Internet. From 2010 till now, China has installed a total of 460 million electricity metering terminals. Its operational reliability is directly related to the safety of power grids, the fairness and fairness of power trading, and the quality of service of the power grid. For a long time, China's measurement terminal reliability research mainly focuses on the whole machine test, and the test method still uses the method of mechanical watches. It fails to form a comprehensive reliability technology system from components, software, hardware and overall system dimensions, which restricts our country. The quality of metering terminals and the overall level of technology have been improved, limiting their move from manufacturing to a manufacturing powerhouse. The project focuses on the common faults in the field of power metering terminals and conducts reliability studies in several dimensions, including selection prediction, test detection, and operation evaluation. After 6 years of independent innovation, the following innovations have been formed:
1. The method of data transmission reliability optimization for power consumption information collection system covering multiple stations such as main station, communication channel, terminal, and energy meter is proposed. Based on the modular design method, the reliability design of hardware and software for metering terminal is enhanced, and the system clock synchronization is optimized. , security authentication and communication performance ensure the accuracy, completeness, safety and reliability of the measurement terminal in the data transmission process.
2. Proposes a method for comparing and recording the energy meter software based on the information encryption protection technology, develops a metering and comparison device for the energy meter software, and establishes a reliability cloud testing system for code-level energy meter software to improve the software reliability and maturity.
3. Adopt massive data mining technology, put forward 15 types of online monitoring and abnormal diagnosis model of 137 metering equipments based on electricity acquisition system, realizing real-time monitoring of metering equipment operation status and rapid processing of abnormal data.
Proposed the composite accelerated aging model of electric energy meter under the special load condition and the lifetime prediction model of the electric energy meter based on the approximating data BP network. The multi-stress testing device based on the degenerative trajectory model was developed, and the reliability of power metering terminal was significantly improved. The failure rate of the power metering terminal of the municipal power company decreased from 0.25% in 2012 to 0.02% in 2015.
5. A multi-dimensional reliability assurance system for components, software, complete machines and systems was established, and a quality evaluation mathematical model combining analytic hierarchy process with fuzzy comprehensive evaluation was proposed. Formed the first industrial-grade electronic component quality database that can be used in the power industry and instrumentation field, and standardized the 295 kinds of acceptance testing methods for power metering terminals. Based on the above-mentioned innovations, the reliability system for power metering terminals has been extended upstream and downstream to the component level and the complete system level, respectively, and the overall level of manufacturing of energy metering terminal industrial chains has been improved. The project's achievements have been applied in the State Grid Metrology Center, 27 provincial power companies, and more than 400 manufacturers of home appliance energy metering terminals. Accumulative direct economic results for the past three years totaled 680 million yuan. The project was granted 12 invention patents, 13 academic papers, 2 monographs, 1 software copyright, 1 national standard, 2 industry standards, and 15 national grid company standards. Experts from the Chinese Society of Electrical Engineers, such as the Academician Wang Haosheng, identified the experts as "overall reaching the international advanced level."
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