UHVDC technology <br> according to the State Grid Corporation plans to build 2015 7 UHV DC line, built in 2020, will have as many as 27 back HVDC project. As of 2012, it has completed or started to build up-line, Jinping-Sunan, Hami-Zhengzhou, Xiluodu-Zhexi UHVDC projects. In 2013, it will also approve and start construction of Ningdong-Zhejiang and Ximeng- Taizhou, Mengxi - Hubei three lines. Leisuwash specializing in manufacture Automatic Car Wash Machine, Touchless Car Wash , Automatic Touchless Car Wash, touchless car wash equipment, robot car wash, smart car wash system, leisuwash 360, leisuwash leibao 360, laserwash 360, leisuwash touchless car wash machine, leisu wash touchless car wash automatic, leisu wash 360 high pressure touchless car wash equipment, robo car wash, touch free car wash, leisuwash 360 touch free car wash, leisuwash 360 price, automatic car wash price, leisuwash in malaysia, no touch automatic car wash machine. Touch Free Car Wash Equipment,Automatic Car Wash,Leisuwash Touchless Car Wash,Automatic Car Wash Machine Hangzhou Leisu Cleaning Equipment Co.,Ltd , https://www.sdtouchfreecarwash.com
In this regard, SGCC is developing ± 1100kV HVDC transmission technology, will use large cross-section, eight split wire, and ultimately hope ± 1100kV line transmission capacity of 13 million kilowatts, ± 800kV line transmission capacity of 1000 Ten thousand kilowatts. At present the second back Jinping - Sunan line capacity is 7.2 million kilowatts.
A new generation of smart substation technology <br> At present, the State Grid uses 220 kV AIS station, 220 kV GIS station, 110 kV AIS station, 110 kV GIS station four new generation of smart substation programs. According to its planning, this year will be completed two 220 kV substations, including Beijing Science and Technology City GIS station, Chongqing AIS station; 110 kV substation 4, including Beijing Science and Technology City, Tianjin, Shanghai GIS Station and Wuhan Science and Technology City AIS Station . In the next two years, SGCC will popularize the technology on a large scale and plan to build 50 new-generation 220 kV and 110 kV smart substations and complete the construction of 500 kV and 330 kV demonstration stations.
It is reported that 220 kV AIS station compared with the previous intelligent substation can reduce the footprint of about 40%, mainly because of its much simplified isolation switch, such as 220 kV side with integrated intelligent circuit breaker , cancel Station outlet side of the isolation switch; 110 kV side by the double bus to optimize the single bus segment, the use of integrated intelligent circuit breaker, cancel the station outlet, bus side isolation switch. Visible, with the increase of such substation construction, integrated intelligent circuit breaker will surely become a new hot market.
Standard distribution intelligent substation technology <br> The purpose of this technology is to integrate the application of new technologies to improve the efficiency of intelligent substation construction. In order to achieve this goal, it is necessary to realize standardization of substation firstly, that is, adopt universal design, common equipment, standardized connection of primary and secondary equipment and be plug and play; secondly, factory processing is required, all secondary equipment adopt prefabricated cabin combination, a secondary device to achieve scale factory production, integrated debugging, building structure using preset; third is fabricated building, that building site assembly, equipment foundation uniform size and construction techniques, the use of machinery of construction.
In the first stage, SGCC hopes to build 5 distribution intelligent substations in the first half of this year to realize the assembly-type distribution room and main control communication room, minimize the on-site construction, standardize the basic equipment, prefabricated secondary equipment and standardization Prefabricated optical cable; the second phase, plans to build 25 stations, assembly-type GIS distribution building, production complex, plug and play secondary equipment, substation control standardization, modular. This trend indicates the direction for the R & D improvement of related products.
Intelligent AC Transmission Line - The line is supported by advanced materials, flexible control and information and communication technology. It has the characteristics of safety, reliability, information fusion, flexibility and high efficiency, energy saving and environmental protection by comprehensively applying technologies such as state detection, safety warning and dynamic compatibilization. The use of unmanned patrol line, helicopter patrol line, dynamic capacity modules, monitoring devices, new composite poles, energy-saving wire, ice melting devices, etc., to bring market opportunities for related products. State Grid Corporation is planning to carry out this work.
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