Listed companies of HV /UHV equipment:
1.TBEA (600089.sh) is the largest transformer product base in China and one of the largest manufacturers of high-voltage transformers and wires and cables in China. The annual output of transformer is 65438+700 million KVA, and it is in the leading position in the field of high voltage, large capacity and DC converter transformers of 500KV and above. Transformer business accounts for about 66% of the main income.
2. Gao Ping Electric (6003 12.sh), one of the three major R&D and manufacturing bases of high-voltage switchgear in China, covers all voltage levels from 72.5 to 1 100 kV; Toshiba Corporation of Gao Ping (holding 50% of the shares), a joint venture between our company and Toshiba Corporation, is expected to become the largest manufacturing base of high-voltage and ultra-high-voltage enclosed combined electrical appliances in Asia.
3. Tianwei Baobian (600550.sh), the company is one of the largest production bases of power equipment transformers in China, and the main transformers of large generator sets account for about 45% of domestic production; It is the only enterprise in China that has mastered all the core technologies of transformer manufacturing independently, and has successfully entered the DC transmission market.
4. Rongxin Co., Ltd. (002 123.sz) is the largest manufacturer of SVC mainstream flexible transmission equipment in China, and the new high-voltage frequency converter (HVC) also has a large market space in industrial energy saving; The company has produced ultra-high power frequency conversion devices (HVC), which are more than 10,000 kilowatts, with high technical requirements; The company has SVC high-voltage full-load test center (66KV/ 10000KVA), HVC high-voltage full-load test center (10KV /2500KW) and test power supply system (66KV/ 10000KVA).
5. siyuan electric (002028.sz), the company's high-tech industrialization project of digital substation and high-voltage dynamic reactive power compensation system is expected to be completed in 20 12 years, thus forming five smart grid businesses: reactive power compensation, digital substation, online monitoring, electric vehicle charging module and energy storage battery charging module.
6. Huayi Electric Co., Ltd. (600290.sh), the company plans to establish Zhejiang Huayi Ebit Power Technology with German IPT as a joint venture, which mainly develops and manufactures medium and high voltage switchgear (3KV- 1 100KV) and related supporting components.
7. Jinzhi Technology (002090.sz), the company's power grid high voltage/ultra high voltage protection device project is expected to be completed in 20 1 1; The company also invested in the digital substation project, which conforms to the technology and market development direction of the power automation industry and is in the preparation stage of market investment. It is expected that the market will start on a large scale in the future.
8. jiuzhou electric (300040.sz) is a leading enterprise in domestic power electronics industry. Its products are divided into three categories: high-voltage motor speed regulation products, DC power supply products, electrical control and automation products.
9. Jinlihuadian (300069.sz), the company focuses on the research of new high-strength functional glass manufacturing technology and the development of UHV power transmission and transformation insulation equipment. The main products are high-strength glass insulators, which are used for insulation and suspension of high voltage, ultra-high voltage and UHV AC and DC transmission lines.
10. china xd (60 1 179.sh) is an important base for R&D, manufacturing and testing of complete sets of high voltage, ultra-high voltage and ultra-high voltage power transmission and transformation equipment in China. It is also the enterprise with the highest product voltage grade, the most variety of products and the strongest complete engineering capability among the manufacturers of complete sets of high voltage, ultra-high voltage, ultra-high voltage AC and DC power transmission and transformation equipment in China. The company has advanced high-voltage, ultra-high voltage and ultra-high voltage technologies, constantly consolidating its leading position in the industry, taking the lead in developing a series of 750kV power grid products in China, and successfully manufacturing 800kVGIS, double-break tank circuit breakers, disconnectors, 750kV transformers, reactors, capacitor bushings, lightning arresters, post insulators, rod-shaped suspension composite insulators and other products, with independent intellectual property rights, and technical performance reaching and being at the international leading level.
Electric power automation/intelligence listed companies:
1. Oriental Electronics (000682.sz), the company's main business is power system automation, informationization and energy management system solutions; Yantai Haiyi Software, which holds 45% of the shares, is mainly engaged in the development of electric power public security software.
2. Kelu Electronics (002 12 1.sz), the company's products include power automation, power supply for electric operation, electronic watt-hour meter, standard instrument series products, etc. The market share of the company's leading product power management system is16.50%; The company's main product poster expands the intelligent watt-hour meter.
3. Great Wall Development (00002 1.sz), the company is one of the makers of China electric meter industry standards, and has formed leading product systems such as remote control electric meters and anti-theft electric meters.
4. Guodian Nanzi (600268.sh), the company has power grid automation business, power plant automation business and water conservancy and hydropower automation business; The company's market share of generator protection is above 50%, the market share of main transformer protection is around 60%, and the market share of reactor protection is close to 100%, which has obvious industry advantages. The first 500KV electronic current and voltage transformer, protection, measurement and control, intelligent terminal and other equipment developed by the company have been applied to the 500kv digital substation in Guilin, Guangxi.
5. Taihao Technology (600590.sh) is one of the few domestic enterprises that produce a full range of electrical equipment for intelligent buildings, and has a number of top domestic qualifications such as Grade A integrated design of intelligent building systems and Grade I professional contracting of intelligent building engineering.
6. Guodian Nanrui (600406.sh), the company is a leading technology enterprise and market enterprise in the field of power automation in China, with the market share of high-end power secondary equipment exceeding 50% and the market share of high-end automation in provincial power grid dispatching exceeding 75%; The company's market share in the field of high-voltage substation monitoring exceeds 40%.
7. Bailey Electric (600468.sh), the company has invested 800 million yuan to build four smart grid-related projects, including superconducting current limiter project, GIS project, electronic transformer project and VW60 project.
8. Guang Zhi Electric (002 169.sz), the company is mainly engaged in power grid safety control business, and has launched the 7000kVA high-voltage inverter with the largest capacity in China; The company raised funds to build an intelligent high-voltage ultra-high-power high-voltage frequency conversion speed regulation system with a capacity of 3000kVA and above, and to expand the enterprise technology center, with a design production capacity of 400 sets/year.
9. Science and Technology Monitoring (002322.sz), the core product of the company is the online monitoring system of transformer chromatography.
10. Ji Cheng Electronics (002339.sz) is one of the earliest enterprises engaged in R&D and production of electric power automation products in China. Its main products include power grid dispatching automation, substation automation, distribution automation, power information collection and management and power plant automation products, and its market share in power grid dispatching system reaches 30%.
1 1. Beijing Ke Rui (002350.sz), the company mainly manufactures power distribution equipment, and its main business includes fault handling of power distribution network and modular substation.
12. Haoningda (002356.sz) is a professional manufacturer and overall solution provider of electric energy metering instruments, power consumption automation management systems and terminals.
13. Keyuan Co., Ltd. (002380.sz) is a leading supplier of secondary equipment for power plants in China, mainly engaged in thermal automation and power plant informatization business; The company's intelligent valve device has entered the field trial stage, and the research and development goal is to realize frequency conversion control technology and field bus interface technology, which is equivalent to imported products in function to replace imported similar products.
Note: A 600,000 KV generator set needs about 600 to 700 intelligent valve devices.
14. Zhongyuan Huadian (3000 18.sz), the company specializes in intelligent wave recording analysis and time synchronization related products of power system; The company plans to settle in Wuhan China Optics Valley New Energy and Environmental Protection Industrial Base and build a "Smart Grid Industrial Park Project".
15. Huadong Computer (600850.sh), the company is moving from power automation to building and industrial automation, and it will become a trend to bring power end users into the smart grid management system. The company has the technical advantages of intelligent building business.
16. Huazhi Holdings (000607.sz), whose main products are smart meters.
Listed companies of power grid equipment:
1. dongyuan electric appliance (002074.sz), the company specializes in power transmission and distribution equipment.
2. Baosheng Co., Ltd. (600973.sh), a large wire and cable professional enterprise, has mastered all the key technologies of superconducting cables.
3. Xuji Electric (000400.sz), one of the largest power transmission and transformation equipment manufacturing and system integration enterprises in China, is the only listed company in China that can provide integrated primary and secondary power equipment and complete solutions for transmission, transformation, distribution and power consumption.
4. Changyuan Group (600525.sh), the company plans to invest in the construction of Nanjing smart grid base project; The actual controller of the company is Li Ka-shing.
5. Zhongneng Electric (300062.sz) is committed to the rapid development of cable distribution network system in China, integrating R&D, design and manufacturing. Products are medium-voltage distribution cable equipment products with independent intellectual property rights, which are mainly used to improve the reliability, intelligence and environmental protection level of cable distribution network.
6. Zhixin Electric (6005 17.sh) is a company specializing in amorphous alloy transformers and related products.
7. Sanbian Technology (002 1 12.sz), the company is a professional manufacturer of series transformers, and 15 amorphous alloy iron core transformer realized product industrialization in 2008.
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