The rapid development of the power system continuously puts forward new requirements for relay protection, and the rapid advancement of electronic technology, computer technology, and communication technology continuously injects new vitality into the development of relay protection technology. Therefore, relay protection technology has unique advantages.
NO.1NR Electric Co., Ltd.
NR Electric Co., Ltd. (abbreviated as NR Electric) is a national key high-tech enterprise, a key software enterprise within the national planning layout, one of China's top 100 software companies, and one of China's top 100 electrical industry enterprises. It specializes in technical research, product development, production, sales, and engineering services in the field of power system protection and control.
Currently, the company has a total of1000 employees, with over95% holding university degrees, and more than300 holding master's or doctoral degrees. Mr. Shen Guorong, an academician of the Chinese Academy of Engineering, serves as the company's chairman and general manager. Based on the original theoretical research achievements and invention patents such as the "power frequency variation principle relay protection" founded by Academician Shen Guorong, NR Electric has formed a technical system for power system protection and control composed of a series of patented technologies and proprietary technologies through continuous technological innovation. NR Electric's core products have the highest market share in the industry, with its ultra-high voltage relay protection products accounting for nearly40% of the domestic market. Its products are widely used in national key projects such as the Three Gorges power transmission and transformation, the "West-to-East Power Transmission" project, and the08 Olympic Games. NR Electric's technologies in relay protection, power grid security and stability control, and high-voltage direct current transmission control and protection have broken the long-term technological and product monopoly of foreign companies. With their advanced nature, practicality, and reliability, they have improved the safe and stable operation level of China's power grid, established China's international leading position in relay protection and stability control technology and products, and made significant contributions to China's power technology progress and economic development.
NR Electric adheres to the development strategy of "focusing on the main business and expanding through external development." For the industries already established, it continuously improves and maintains its leading position. Currently, the company is at the world's advanced level in research and application of ultra-high voltage relay protection, power grid security and stability control, substation automation, power plant automation, and high-voltage direct current control and protection. The company is actively exploring in the fields of power electronics, primary intelligent equipment, and process control in large industrial fields, leveraging its technical advantages in control and protection to achieve comprehensive expansion and deepening of its industries. The company has also increased its efforts to explore the international market. In countries and regions such as Turkey, Tajikistan, India, Vietnam, Nigeria, and Hong Kong, many projects have adopted the company's complete substation monitoring systems and complete protection systems. According to the ranking in the "Global Relay Protection Research Report 2006-2008" by the world-renowned professional consulting firmNewton-Evans, our company is listed as one of the world's top five relay protection manufacturers. The company always adheres to the policy of quality first. Quality control runs through every link of the production process to ensure that the entire production process is under control. The strict product inspection system and complete testing methods have made the company's products well-known in the industry for their low repair rate. Based on the ISO9001 quality system certification from the internationally renowned certification bodyBSI, the company successively passed theISO14001 environmental management system andOHSAS18001 occupational health and safety management system in2005, reflecting the company's sense of responsibility to users, society, and employees.
In the process of enterprise development, NR Electric has established a benign operating mechanism that promotes industrial development through technological innovation and supports technological innovation through industrial development, with coordinated development of technological innovation and high-tech industries. The scientific research achievements have won multiple awards, including2 National Technology Invention Second Prizes,1 National Science and Technology Progress First Prize, and9 provincial and ministerial-level Science and Technology Progress First Prizes. The company has applied for and obtained more than60 national invention patents and utility model patents, including the "adaptive weighted bus differential protection method." The company adheres to the concept that talent is the most valuable asset, and has cultivated a management and technical team that is united, collaborative, pragmatic, and innovative.
Over the years, with the support and care of the vast number of users and leaders at all levels, and through the joint efforts of all employees, the company has always maintained healthy, sustainable, and rapid development. In2006, the company's sales reached2.15 billion yuan, with net tax payment of298 million yuan, and labor productivity reached the international leading level in the same industry. While creating its own benefits, the company actively participates in public welfare undertakings and gives back to society. In recent years, the company has established NR Electric scholarships (teaching scholarships) in more than ten famous universities across the country; cooperated with the Jiangsu Provincial Committee of the Communist Youth League to donate and build7 Hope Primary Schools nationwide; and actively participated in donation activities such as funding impoverished students, assisting socially disadvantaged families, and greening the surrounding areas of the Three Gorges.
In2006 and2007, NR Electric was successively designated by the Central Propaganda Department as a major typical enterprise for national independent innovation and the construction of an innovative country. In the past three years, Party and state leaders including General Secretary Hu Jintao, Premier Wen Jiabao, and CPPCC Chairman Jia Qinglin have respectively inspected NR Electric and highly praised the company's achievements in independent innovation and industrialization.
NO.2Beijing Sifang Jibao Automation Co., Ltd.
Beijing Sifang Jibao Automation Co., Ltd. was established in1994 and is mainly engaged in the research, development, production, and sales of power system automation and relay protection devices. It is a high-tech enterprise serving the power system and related industries (such as petrochemical, railway, coal, metallurgy, etc.).
Main products includeCSC series microcomputer relay protection and automatic devices, substation automation systems, power system regional security and stability devices, power grid dynamic security monitoring systems, and power grid fault management information systems. Up to now, the company's products have been used in power grids at all levels across the country.
