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In early November, Prof. Wang Xuan, Harbin University of Science and Technology, held in Yangzhou, Jiangsu, "the seventh cable material formulation design and production technology advanced seminar", said that electric power is the lifeblood of the national economic development, and is a basic industry related to the national economy and people's livelihood. The distribution and demand of power resources are unbalanced in China. High voltage transmission can reduce line losses, and cable can save transmission and distribution corridors, especially in some special occasions, such as cross sea power transmission, and cables must be used.

With the increasingly prominent contradiction between global energy supply and demand and the profound change of energy layout, UHV cables will play a more prominent role in building national power grid and trans regional, transnational and trans continental energy channels, and have broad prospects for development.

In the recently held the 2013 International Smart Grid Forum, the International Electrotechnical Commission (IEC) chairman Claus, Ukraine and China, Heller pointed out that there are energy resources are unevenly distributed in the case of many countries in the world, UHV can reduce the loss of long-distance transmission and other areas in the world also has a broad application prospect the. At present, China's UHV transmission technology is in the leading position in the world. As an international standard voltage, China's UHV AC voltage standard will be promoted to the world.

With the increase of renewable energy applications, the investment of transmission network will be driven. The high voltage and ultra high voltage cables need to be replaced in the urban areas instead of underground power grids and power transmission networks. In addition, the continuous development of DC transmission line technology, the need to use new high voltage and UHV cables to replace the aging of oil filled cable. For example, the underground cable networks of 95% of the UK's national grid are filled with oil filled cables, and have been used for 27 years on average.

As China's UHV technology goes abroad and is popularized by the world, China's UHV cable also needs to speed up its pace to the world. At present, there are more than 200 factories in the world with high voltage cable production capacity, more than 70 in China, and nearly 40 in Europe.