December 17, 2010, the State Grid Corporation in Shenyang has held a special high-voltage step-up transformer domestic development conference, announced that China's first power plant with a special high-voltage AC step-up transformer developed. The product by the State Grid Corporation in conjunction with five power generation groups and organizations, State Grid Power Research TBEA Shenyang Auto Transformer Group jointly developed the indicator in-class performance and stability, to achieve a partial discharge-free designs, representing the highest international level of similar equipment, create a new world record.

The successful development of ultra-high voltage step-up transformer rated voltage 1100kV, three-phase rated capacity 1200MVA, high level of technology development is difficult. Project uses a comprehensive State Grid Corporation led joint research with open innovation model, bringing together the domestic first-class research resources and expert personnel, after repeated research, optimization, and various tests, and it took nearly two years to tackle tough , and finally success.

National Energy Bureau, China Machinery Industry Federation, Huaneng Group, Datang Group, Huadian Group, Guodian and China Power Investment Group, leaders and representatives, and relevant domestic academicians, experts and key witness of the trial and participated in development work session.

Xin Sun, assistant general manager on behalf of companies to participate in the meeting, introduced the "five" grand prospects of network planning, analysis of the development of sustainable and stable power supply of the urgent needs of the device, summed up the special high-voltage equipment made the successful experience of developed for new equipment continue to do UHV research and development, core technology, to further promote domestic and strictly control the production quality stability put forward specific requirements.

Participants on the success of high voltage Step Up Transformer highly developed and fully affirmed that direct access to high voltage power grid power plant set up a "helicopter channel", can greatly reduce the transmission of intermediate links, a substantial increase in power sent channel transmission capacity, to promote the intensive development of large energy base, and promote energy conservation is of great significance, is China's power industry achieved another major world-class innovations.